Controls Designer
AKA: Controls Project Engineer.
Designs and drafts systems of electrical, hydraulic, and pneumatic controls for machines and equipment such as arc welders, robots, conveyors, and programmable controllers by performing the following duties. |  | | Discusses project with Supervisor and Manufacturing Applications Engineer to review functions of machines and equipment; designs and drafts arrangement of linkage of conductors, relays, and other components of electrical, electronic, hydraulic, pneumatic, and lubrication devices; diagrams logic system for functions such as sequence and timing control; designs and drafts diagrams of cable connection for robots, robot end-of-arm tool, robot controller, and other machines; illustrates and describes installation and maintenance details such as where bearings should be lubricated, types of lubrication, and which parts are lubricated automatically and manually; confers with Industrial Equipment Assembler & Wirer to resolve problems regarding building of controls systems; reviews schematics with customer's representatives to answer questions during installation of robot systems; observes gauges during trial run of programmed machine and equipment operation to verify that electrical signals in system conform to specifications; designs controls for energy conversion or other industrial plant monitoring systems. |
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Design Technician
AKA: Digitizer.
Operates computer-aided design (CAD) system and peripheral equipment to resize or modify integrated circuit designs (artwork) and to generate computer tape of artwork for use in producing mask plates used in manufacturing integrated circuits. | | | Reviews work order and procedural manuals to determine critical dimensions of design; calculates figures to convert design dimensions to resizing dimensions specified for subsequent production processes; locates file relating to specified design projection database library and loads program into computer; enters specified commands into computer to retrieve design information from file and display design on CAD equipment display screen; types commands on keyboard to enter resizing specifications into computer; confers with engineering and design staff to determine design modifications and enters editing information into computer; keys in specified information to produce graphic representation (hard copy) of design for review and approval by engineering and design staff; enters specified information into computer to generate computer tape of approved design. |
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Electronics Design Engineer
Designs and develops electronic components, equipment, systems, and products. | | | Analyzes data to determine feasibility of product proposal; confers with research personnel to clarify or resolve problems and develops design; prepares or directs preparation of product or system layout and detailed drawings and schematics; directs and coordinates manufacturing or building of prototype product or system; plans and develops experimental test programs; analyzes test data and reports to determine if design meets functional and performance specifications; confers with research and other engineering personnel and prepares design modifications as required; evaluates engineering test results for possible application to developments of systems or other uses; uses computer assisted engineering and design software and equipment to formulate and test electronic designs. |
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Electronics Processing Supervisor
Supervises and coordinates activities of workers engaged in processing components and parts such as printed circuit boards (PCBs), electron tubes, and semiconductor devices. | | | Studies production schedules and estimates worker hour requirements for completion of job assignment; establishes or adjusts work procedures to meet production schedules; examines product for conformance to specifications and quality standards; demonstrates methods and trains workers in sequence of processing tasks and operation and control of machines and equipment; maintains time and production records, and prepares cost, yield, breakage, and maintenance reports; inventories and requisitions tools, equipment, and supplies for department activities; recommends measures to improve production methods, equipment performance, and quality of product; suggests changes in working conditions and use of equipment to increase efficiency of department; interprets company policies to workers and enforces safety regulations; analyzes and resolves work problems, or assists workers in solving work problems; initiates or suggests plans to motivate workers to achieve work goals; confers with other supervisors to coordinate activities of individual departments; performs activities of workers supervised. |
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Electronics QC Inspector
AKA: Electronics Systems Inspector
Inspects electronic systems, assemblies, subassemblies, components, and parts for conformance to specifications. | | | Examines layout and installation of wiring, cables, subassemblies, hardware, and components to detect assembly errors; compares assembly with parts list to detect missing hardware; examines joints and pulls wires and cables to locate soldering defects; examines alignment of parts and measures parts for conformance to specified dimensions; twists dials, knobs, shafts, and gears to verify freedom of movement; traces cables and harness assemblies, following cable wiring diagram, to verify routing of wires to specified connections and conformance of cable lacing and insulation to manufacturing standards; measures plated areas for uniformity and thickness; verifies location of bolt and rivet holes; examines parts for surface defects such as chips, scratches, and pinholes; examines production documents to ensure that all assembly, inspecting, and testing steps were performed according to specifications; calculates percentage of defective parts; records inspection data such as serial number, type and percent of defects, and rework required; resolders broken connections on components and parts; performs functional and operational tests, using electronic test equipment such as frequency meter, oscilloscope, and signal generator, or performs destructive tests to determine tensile strength of product or part. |
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Electronics Technician
Lays out, builds, tests, troubleshoots, repairs and modifies developmental and production electronic components, parts, equipment, and systems. | | | Discusses layout and assembly procedures and problems with Electronics Engineer and draws sketches to clarify design details and functional criteria of electronic units; assembles experimental circuitry (breadboard) or complete prototype model; recommends changes in circuitry or installation specifications to simplify assembly and maintenance; sets up standard test apparatus or devises test equipment and circuitry to conduct functional, operational, environmental, and life tests to evaluate performance and reliability of prototype or production model; analyzes and interprets test data; adjusts, calibrates, aligns, and modifies circuitry and components and records effects on unit performance; writes technical reports and develops charts, graphs, and schematics to describe and illustrate system's operating characteristics, malfunctions, deviations from design specifications, and functional limitations; checks functioning of newly installed equipment to evaluate system performance under actual operating conditions. |
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Electronics Test Engineer
Plans, develops, and conducts tests on electronic components, products, and systems. | | | Designs and directs electronic engineering and technical personnel in fabrication of testing and test control apparatus and equipment; directs and coordinates electronic engineering activities concerned with development, procurement, installation, and calibration of instruments, equipment, and control devices required to test, telemeter, record, and reduce test data; determines conditions under which tests are to be conducted and sequences and phases of test operations; directs and exercises control over operational, functional, and performance phases of tests; confers with scientific, engineering, and technical personnel to resolve testing problems such as product or system malfunctions, incomplete test data and data interpretation; analyzes and interprets test data and prepares technical reports for use by electronic engineering and management personnel; develops or uses computer software and hardware to conduct tests on electronic products and systems. |
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Electronics Worker
Prepares electronic components or parts for assembly by other workers. | | | Receives verbal or written instructions from supervisor regarding work assignment; cleans and deglosses parts; trims flash from molded or cast parts; applies primers, plastics, adhesives, and other coatings to designated surfaces; fills shells, caps, cases, and other cavities with plastic encapsulating fluid or dips parts in fluid to protect, coat, and seal parts; prepares wires for assembly by measuring, cutting, stripping, twisting, tinning, and attaching contacts, lugs, and other terminal devices; positions and fastens together parts, such as laminates, electron tube mounts and cages, variable capacitor rotors and stators, paper loudspeaker cones, faceplates, and shells and cases for various electronic components; prints identifying information on components and parts; moves parts and finished components to designated areas of plant, such as assembly, shipping and receiving, or storage; loads and unloads parts from ovens, baskets, pallets, and racks; disassembles and reclaims parts. |
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Instrumentation Technician
Devises, selects, sets up, and operates electronic instrumentation and related electromechanical or electrohydraulic apparatus used for operational and environmental testing of mechanical, structural, or electrical equipment, and translates test data for engineering personnel. | | | Selects, installs, calibrates, and checks sensing, telemetering, and recording instrumentation and circuitry, and develops specifications for nonstandard apparatus according to engineering data, characteristics of equipment under test, and capabilities of procurable test apparatus; sketches and builds or modifies jigs, fixtures, and instruments and related apparatus, and verifies dimensional and functional acceptability of devices fabricated by craft or technical personnel; performs preventive and corrective maintenance of test apparatus and peripheral equipment; installs or directs technical personnel in installation of unit in test chamber or other test facility; operates test apparatus during test cycle to produce, regulate, and record effects of actual or simulated conditions such as vibration, stress, temperature, humidity, pressure, altitude, and acceleration; analyzes and converts test data to usable form and prepares graphs and written reports to translate test results; plans test program; uses computerized equipment and software to perform testing functions and produce graphs. |
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Integrated Circuit Layout Designer
AKA: Mask Designer.
Designs layout for integrated circuits (IC). | | | Uses computer assisted design (CAD) equipment and software to design layout; reviews and analyzes engineering design schematics and supporting documents such as logic diagrams and design rules to plan layout of IC; confers with engineering staff to resolve design details or problems; enters engineering specifications into computer memory of CAD equipment and composes configurations on equipment display screen of IC logic elements (basic components of integrated circuit such as resistors and transistors) for all IC layers; compares logic element configuration on equipment display screen with engineering schematics and redesigns or modifies logic elements, as needed; lays out, redesigns, and modifies arrangement and interconnections of logic elements for each layer of integrated circuit; keys in specified commands with CAD equipment keyboard to test final IC layout for errors in design rules; generates copy of logic element design with plotter to verify that logic element design copy meets design requirements and for use in laying out IC layer design for Very Large Scale (VLS) integrated circuits; Generates tape of final layout design for use in producing photo masks for each layer of IC. |
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Integrated Circuits Inspector
Inspects integrated circuit (IC) assemblies, semiconductor wafers, and IC dies for conformance to company standards. | | | Reads work order to determine inspection criteria; places group of items in trays on microscope stage, or positions items individually on stage for inspection; turns knobs on microscope to adjust focus and magnification as required to view items for inspection; views and inspects items according to company standards to detect defects such as broken circuit lines, bridged circuits, misalignments, symbol errors, and missing solder; discards defective items; removes contaminants from items. |
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Logistics Engineer
AKA: Logistics Specialist.
Directs and coordinates program activities designed to provide subcontractors, management, and customers with logistics technology that ensures effective and economical support concerned for manufacturing or servicing of products, systems, or equipment. | | | Analyzes contractual commitments, customer specifications, design changes, and other data to plan and develop logistic program activities from conceptual stage through life-cycle of product; develops and implements program activities, coordinates efforts of subcontractors, production departments, and field service personnel, and resolves problems in area of logistics to ensure meeting of contractual commitments; develops and initiates preparation of handbooks, bulletins, and information systems to provide and supply logistics support; compiles data on standardization and interchangeability of parts to expedite logistics activities; determines logistic support sequences and time phasing, problems arising from location of operational area, and other factors, such as environmental and human factors affecting personnel; performs special research or technical studies critical to logistic support functions; utilizes computer techniques for analysis, simulation or information systems and documentation. |
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Microelectronics Technician
Operates variety of semiconductor processing, testing, and assembly equipment to assist engineering staff in development and fabrication of prototype, custom-designed, electronic circuitry chips in research laboratory. | | | Operates equipment to convert integrated circuit layout designs into working photo masks; clean, coat, bake, align, expose, develop, and cure photoresist on wafers; grow layers of dielectric, metal, and semiconductor material on masked areas of wafers; clean, etch, or remove materials on areas not covered by photoresist; and implant chemicals to selective areas of wafer substrate to alter substrate electrical characteristics; operates various test equipment to verify product conformance to processing and company specifications; operates equipment to assemble, dice, clean, mount, bond, and package integrated circuit devices; assists in interpretation and evaluation of processing data and in preparation of related reports; assists in technical writing of semiconductor processing specifications. |
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PCB Assembly Touch-up Screener
AKA: Printed Circuit Board End Screener.
Inspects printed circuit board (PCB) assemblies for defects, such as missing or damaged components, loose connections, or defective solder. | | | Examines PCBs under magnification lamp and compares boards to sample board to detect defects; labels defects requiring extensive repairs, such as missing or misaligned parts, damaged components, and loose connections, and routes boards to repairer; performs minor repairs such as cleaning boards with freon to remove solder flux; trimming long leads, removing excess solder from solder points (connections), or resoldering connections on PCBs where solder is insufficient; maintains record of defects and repairs to indicate recurring production problems; repositions and solders misaligned components; measures clearances between board and connectors. |
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Printed Circuit Board Assembler
Assembles electronic components onto printed circuit boards (PCBs) according to specifications. | | | Reads worksheets and wiring diagrams, receives verbal instructions, or follows sample board to determine assembly duties, and selects components, such as transistors, resistors, relays, capacitors, and integrated circuits; twists, bends, trims, strips, or files wire leads of components or reams holes in boards to insert wire leads; inserts color-coded wires in designated holes and clinches wire ends; press-fits (mounts) component leads onto board; places plastic insulating sleeves around specified wire leads of components and shrinks sleeves into place; crimps wire leads on underside of board; applies sealer or masking compound to selected parts of board to protect parts from effects of wave solder process; solders wire leads and joints on underside of board to route and connect lead wires to board and between individual components; installs heat sinks, sockets, faceplates, and accessories on boards. |
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Printed Circuit Board Developer
Tends equipment that develops photoresist image on panels of printed circuit boards (PCBs).
| | | Mixes specified amount of chemical solution and pours chemicals into equipment developing tank; turns valves to admit specified amount of water into equipment reservoirs; starts equipment and monitors conveyor systems, temperature gauges, and pumps; adjusts controls to maintain specified temperature levels and speed of conveyor; removes plastic protective film from upper and lower surfaces of photoresist laminated PCB panels; places panels on conveyor that feeds panels into equipment that automatically develops photoresist circuit image on exposed photoresist film, dissolves unexposed photoresist film, and rinses and dries panels; removes panels from conveyor and visually examines panels to detect development processing defects; notifies supervisor of defective panels and equipment malfunctions. |
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Printed Circuit Board Inspector
Inspects and repairs printed circuit boards (PCBs). | | | Inserts plug gauges into drilled holes of PCB panels to verify conformance to specified dimensions; measures thickness and dimensions of plating on PCB panels to verify that plating meets specifications; examines PCB circuitry to detect defects such as shorts, breaks, excess or missing solder, scratches, cracks, and incorrect layout; brushes solder mask ink on PCBs to repair defects in screen printing; scrapes excess plating, or solder mask ink from PCBs; repairs broken circuitry; records type and quantity of defective PCBs; tests adherence of solder mask ink to PCBs; tests continuity of PCB circuits. |
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Printed Circuit Board Pre-assembly Inspector
Inspects printed circuit boards (PCBs) preparatory to assembly for compliance to company guidelines. | | | Examines PCBs on light table for breaks in copper foil circuits; examines PCBs to detect circuit shorts with magnification lamp; measures dimensions of PCBs; views inside edges of solder holes to detect irregular surfaces; inserts leads to components in solder holes to verify spacing of holes and ease of component insertion; verifies plating integrity of copper foil circuits and composition of solder through solder holes; records inspection results to maintain vendor history files. |
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Printed Circuit Board Preassembler
Attaches preassembled components, such as terminal pins, connectors, and labels, to printed circuit boards (PCBs) and stamps identification codes on boards preparatory to further assembly. | | | Examines PCBs for illegible issue numbers and removes and restamps numbers; reads work specifications to determine type of labels, components, and locations on PCBs to attach items; cuts component pins (wires) to specified length, inserts pins in specified holes on PCBs, and secures pins to PCBs; affixes labels and tape to boards and stamps identification codes on boards. |
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Printed Circuit Board Printer
AKA: Photoresist Printer.
Prints circuit image on photoresist film-laminated panels with contact printer for use in fabricating printed circuit boards (PCBs).
| | | Aligns (registers) one or more circuit negative films with film-laminated circuit board panel in drawer of contact printer vacuum frame; activates printer controls to create vacuum and secure negative film against circuit board panel; activates printer to expose negative and panel film to ultraviolet light and transfer circuit image onto panel film; lifts drawer cover and removes PCB panel and negative; measures light intensity of contact printer and adjusts exposure time according to specifications; examines printed panels for defects in printed circuit. |
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Printed Circuit Board QC Leader
AKA: PCB Quality Control Group Leader.
Assists in coordinating activities of workers engaged in inspecting, testing, and repairing printed circuit boards (PCBs). | | | Confers with Supervisor and reviews production schedules to determine quantity and type of PCBs to be inspected, tested, or repaired; compiles list of test and inspection personnel and assists in planning department work assignments; assigns duties to inspection, test, and repair personnel; collects PCBs and components for processing from receiving and assembly departments and distributes PCBs and components to inspection, test, or repair personnel; oversees department activities and revises work assignments to meet production schedules and contract priorities; explains inspection, test procedures, and specifications, and demonstrates use of testing equipment and PCB repair techniques to workers; interprets schematic drawings, procedure changes, and work orders for workers; assists workers in resolving technical problems; confers with technical personnel and department supervisors to report and resolve assembly and testing problems, and reports unresolved problems; requisitions, obtains, and distributes supplies, materials, and equipment such as electronic components and parts used for repair work, test and inspection specifications and test equipment, fixtures, and handtools; inspects test equipment to verify equipment functions according to standards; reports substandard equipment performance to supervisor or maintenance personnel; reads, prepares, collects, and maintains reports such as individual and department production reports and test results, employee time and attendance records, and product waste reports; maintains vendor files; substitutes for absent workers and assists workers to alleviate work overload situations. |
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Printed Circuit Board Senior Assembler
Assists Supervisor in coordinating activities of workers engaged in assembling printed circuit boards (PCBs). | | | Confers with Supervisor and reviews production schedules, specifications, and priorities to plan department work assignments; requisitions, obtains, and distributes supplies and materials, such as PCBs, electronic components and parts, solder and flux, antistatic bags and wristbands, and schematic drawings and work orders; assigns duties to assembly workers and oversees department activities; revises work assignments to meet production schedules and contract priorities; explains and demonstrates PCB assembly line procedures and techniques to workers; interprets schematic drawings, specifications, and work orders for workers; assists workers in resolving technical problems and advises Supervisor of complex production problems; reads, prepares, collects, and maintains reports, such as individual and department production reports, employee time and attendance records, and component waste reports; substitutes for absent workers or assists workers to alleviate work overload situations; assembles sample PCBs to use as work aids. |
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Printed Circuit Design Supervisor
Supervises and coordinates activities of workers engaged in drafting and designing layouts of printed circuit boards (PCBs) for use in manufacture of electronic equipment. | | | Confers with PCB vendors to resolve problems encountered with board design; reviews cost quotations for equipment and attends demonstrations to select equipment for purchase; requisitions supplies such as film positives; designs or changes design of layout for PCBs; establishes or adjusts work procedures to meet production schedules; examines work for exactness, neatness, and conformance to specifications; recommends measures to improve production methods, equipment performance, and quality of product. |
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Printed Circuit Designer
Designs and drafts layout for printed circuit boards (PCBs). | | | Reviews and analyzes engineering design schematics and supporting documents to plan layout of PCB components and printed circuitry; confers with engineering staff to resolve design details and problems; drafts detailed drawings and composes master layout of design components and circuitry; examines and verifies master layout for electrical and mechanical accuracy; verifies accuracy of film reproductions of master layout; prepares copies of drawings for use in PCB fabrication; generates computer tape for use in photo plotting design onto film. |
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Printer Circuit Board Component Chemical Tester
AKA: Printed Circuit Board Chemical Tester.
Tests electronic components for compliance to company standards, using chemicals and soldering equipment. | | | Places droplets of acid on surface of petri dish to prepare for lead (metal) test; positions wire lead of component or pin on integrated circuit in acid, places acid-coated wire lead or pin on chemically prepared filter paper, and observes reaction on paper that indicates lead content; soaks components that do not pass lead test in freon to remove acid from wire leads or pins and repeats test; refers to vendor list to determine whether components are listed as acceptable; dips wire leads of components in beaker of liquid flux, solder pot, and beaker of freon to conduct solderability test on wire leads; observes solder on wire leads for questionable conditions such as bending of solder, discoloration, or no solder present; sets aside components of questionable acceptance for approval by engineer; maintains record of test results. |
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Printer Circuit Board Pre-assembly Component Tester
AKA: Printed Circuit Component Tester.
Tests electronic function of components preparatory to printed circuit board (PCB) assembly for compliance to company standards, using test equipment. | | | Selects and positions test fixture on test equipment panel according to type of component being tested; keys data into computer keyboard or turns dials and presses buttons to set tolerances on equipment, following company standards guide; positions components in test fixture or mounts reels containing components on tape onto machine spindle and threads component tape through test machine guides; activates equipment to start test and observes colored panel lights on equipment to determine whether components meet specifications; replaces defective components; verifies dimensions of components; obtains vendor history file for reference when excessive component defects result during testing; maintains records of test results; solders electronic components to test boards prior to testing. |
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Quality Control Engineer
Plans and directs activities concerned with development, application, and maintenance of quality standards for industrial processes, materials, and products. | | | Plans and directs activities concerned with development, application, and maintenance of quality standards for industrial processes, materials, and products by performing the following duties. Develops and initiates standards and methods for inspection, testing, and evaluation; devises sampling procedures and designs and develops forms and instructions for recording, evaluating, and reporting quality and reliability data; establishes program to evaluate precision and accuracy of production equipment and testing, measurement, and analytical equipment and facilities; develops and implements methods and procedures for disposition of discrepant material and devises methods to assess cost and responsibility; directs workers engaged in measuring and testing product and tabulating data concerning materials, product, or process quality and reliability; compiles and writes training material and conducts training sessions on quality control activities. |
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Reliability Engineer
Analyzes preliminary engineering design concepts of major product such as aircraft, naval vessel, or electronic communication or control system to recommend design or test methods for attaining customer specified operational reliability. | | | Analyzes preliminary plans and develops reliability engineering program to achieve customer reliability objectives; analyzes projected product utilization and calculates cumulative effect on final system reliability of individual part reliabilities; drafts failure mode and effect analysis sheets or formulates mathematical models to identify units posing excessive failure risks and support proposed changes in design; enters data to simulate electrical inputs, transient conditions, temperature, stress, and other factors to develop computer models, and analyzes and adjusts design to predict and improve system reliability; advises and confers with engineers in design review meetings to give reliability findings and recommendations; determines units requiring environmental testing and specifies minimum number of samples to obtain statistically valid data; reviews subcontractors' proposals for reliability program and submits evaluation for decision; reviews engineering specifications and drawings, proposing design modifications to improve reliability within cost and other performance requirements; observes conduct of tests at supplier, plant, or field locations to evaluate reliability factors such as numbers and causes of unit failures; monitors failure data generated by customer using product to ascertain potential requirement for product improvement. |
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Semiconductor Assembler
AKA: Microelectronics Processor
Assembles microelectronic semiconductor devices, components, and subassemblies according to drawings and specifications. | | | Reads work orders and studies assembly drawings to determine operation to be performed; observes processed semiconductor wafer under scribing machine microscope and aligns scribing tool with markings on wafer; adjusts scribing machine controls, according to work order specifications, and presses switch to start scribing; removes scribed wafer and breaks wafer into dice (chips) with probe; places dice under microscope, visually examines dice for defects, according to procedures, and rejects defective dice; positions mounting device on holder under bonding machine microscope, and adjusts bonding machine controls according to work order specifications; positions die (chip) on mounting surface according to diagram; presses switch on bonding machine to bond die to mounting surface; places mounted die into holding fixture under microscope of lead bonding machine; adjusts bonding machine controls according to work order specifications; views die and moves controls to align and position bonding head for lead bonding according to diagram; presses switch to bond lead and moves bonding head to points indicated in bonding diagram to attach and route leads as illustrated; inserts and seals unprotected assembly into designated assembly container device to protect microelectronic assembly and complete device, component, or subassembly package; examines and tests assembly at various stages of production, according to standard procedures, to detect nonstandard or defective assemblies; rejects or routes nonstandard components for rework; cleans parts and assemblies at various stages of production; maintains records of production and defects; bonds multiple dice to headers or other mounting devices. |
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Silicon Preparation Worker
Cleans, sorts, breaks, weighs, and packages chunks of silicon for crystal growing. | | | Sandblasts chunks of silicon or immerses chunks in cleaning tanks to remove contaminants; breaks chunks of silicon into pieces of specified size; tests and sorts silicon pieces according to resistivity type and level; weighs out specified amounts of silicon to prepare charges (specified amounts of materials) for crystal growing process, loads silicon into charge can, and records identifying information on label of charge can; transports charges to crystal growing department. |
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Standards Engineer
Establishes engineering and technical limitations and applications for items, materials, processes, methods, designs, and engineering practices for use by designers of machines and equipment. | | | Communicates with management of industrial organization to maintain knowledge of current and proposed projects in order to develop appropriate standards for design and production of new items; evaluates data in scientific journals, suppliers' catalogs, government standards documents, and other sources of information on materials, processes, and parts to update knowledge of available resources; prepares specification sheets and standard drawings designating parts and materials acceptable for specific uses; examines all factors involved to confirm that standards will result in most economic use of material and labor consistent with safety and durability of final product; reviews standards prepared with other departmental specialists to assure consistency with existing standards and those in other specialized disciplines; communicates with user personnel to confirm knowledge of standards and cooperation of various project groups; follows established procedures for retention of data developed to assure optimum storage and retrieval by manual or automated methods. |
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Stress Analyst
Conducts stress analyses on engineering designs for electronic components, systems, and products. | | | Analyzes engineering designs, schematics, and customer specifications to determine stress requirements on product; formulates mathematical model or three dimensional computer graphic model of product; analyzes ability of product to withstand stress imposed by conditions such as temperature, loads, motion, and vibration; builds product model of wood or other material, performs physical stress tests on model, and evaluates test results; consults with Electronics Design Engineer to recommend design modifications of product based on results of stress analysis; prepares stress analysis reports. |
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Test Fixture Assembler
Assembles test fixtures used to test electrical circuitry of printed circuit boards (PCBs), according to diagram instructions. | | | Receives test fixture kits, work orders, and diagrams; positions test fixture boards on worktable and inserts copper sleeves in designated holes of boards as indicated on diagrams; positions pins flush with fixture board surface; places copper test pins in sleeves previously inserted and positions spacer blocks in prescribed pattern on top and bottom of boards; inserts screws in spacer blocks and secures blocks to boards; positions wires against pins and blocks, following specified pattern, and secures wires around pins or blocks; positions fixture cover over spacer blocks on top of test fixture boards and positions metal back on assembled test fixture; secures cover and back. |
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Test Fixture Designer
Plots and draws schematics for test fixture heads used in testing printed circuit boards (PCBs) for electrical shorts and breaks. | | | Reviews blueprint to determine customer requirements and beginning and end points of PCB conductor paths; confers with engineer to resolve questions concerning design of test fixture heads; refers to blueprint and method sheets and chooses electrical points to be tested, making sure to include critical points along conductor path; plots electrical points to be tested on layout sheet; chooses drill size to be used in drilling test head; forwards layout of test points with requested drill size to numerical control drilling department to be used as guide to drill test head; reviews blueprints to determine logical and most efficient method to wire test head to frame of test fixture; draws schematics for Test Fixture Assembler to follow in wiring test head to test fixture frame; reviews schematics with assembler to answer questions regarding correct wiring procedures; monitors building of test fixture by assembler. |
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Wafer Mounter
AKA: Semiconductor Wafers Mounter.
Tends press that mounts semiconductor wafers in templates for polishing. | | | Cleans templates, or tends machine that automatically cleans templates; places cushion in template depressions and places wafers on cushion, or places wafers on waxed template; positions templates in press and activates press that presses wafers into templates; tends machine that automatically removes polished wafers from templates; tends machine that laps templates to restore flatness. |
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Wafer Processing Inspector
AKA: Semiconductor Processing Inspector
Inspects semiconductor wafers to identify processing defects. | | | Places wafers on stage of microscope; examines surface of wafer and test patterns on wafers, and compares wafers to specification diagrams to identify processing defects such as scratches, contamination, pattern misalignment, photoresist peel, and circuit bridges; measures specified dimensions of test patterns on wafers to verify that wafers meet company specifications; routes defective wafers to engineering department; records observations onto processing sheets and log; cleans inspecting area. |
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Wafer Production Lead Assistant
Assists supervisor in coordinating activities of workers engaged in abrading, cleaning, etching, heattreating, testing, inspecting, sawing, and other processes in manufacturing semiconductor wafers. | | | Assigns workers to work stations to meet production requirements; interprets process specifications for workers; monitors production and adjusts work assignments, supply of material, and machine operation when necessary; transports materials between production and storage areas; repairs various machines; refers extensive machine repairs to maintenance personnel; confers with supervisor to receive instructions and exchange production information; tests random samples of silicon wafers, using various test equipment, to verify wafers meet specifications; periodically recalibrates test equipment; trains workers in equipment operation. |
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Wafer Substrate Tester
AKA: Semiconductor Substrate Tester
Tests semiconductor wafer substrate to evaluate electrical characteristics of wafer substrate. | | | Places wafer on test equipment that measures electrical characteristics of wafer substrate such as resistivity, capacitance, and voltage; starts equipment and observes equipment readout to determine wafer electrical measurements; records measurements in production log; compares measurements with specification sheets to determine if wafer substrate meets company standards; sorts, boxes, and labels tested wafers; delivers wafers and process sheets to production line workers; maintains production records. |
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Wave-Soldering Machine Operator
AKA: PCB Wave-Soldering Machine Operator.
Controls wave-soldering machine or system to solder electronic components onto printed circuit boards (PCBs). | | | Reads production schedules and operations manuals and receives verbal instructions regarding sequential start up and operation of wave-soldering machine or system; moves controls to activate machine or equipment such as preheater, lead wire cutter, wave-soldering units, and conveyors; adjusts controls of machines to regulate operating speed and temperature and height of flux, wax, and solder waves; verifies specific gravity of flux with hydrometer; adjusts dimensions of conveyor pallets and rails used to hold and transport PCBs through wave-soldering process; places loaded master pallet and production pallets on conveyor line of wave soldering machine or system and monitors pallets moving through process to verify that timing, temperatures, and dimensions are set according to standards; observes heat-sensitive color marks or strips placed on PCBs to verify boards have been preheated to specified temperatures; observes meters, gauges, and indicator lights to ensure that soldering of PCBs conforms to processing standards; examines samples of soldered boards to detect substandard soldering; discusses quality of soldering with supervisor and adjusts controls according to instructions; cleans parts and interiors of machines and replenishes fluids in machines and equipment; performs preventive maintenance on machines and equipment; returns substandard boards to workers for repair; feeds or off bears boards or pallets to or from conveyor system. |
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Wireworker
Cuts, strips, tapes, forms, and solders wires or wire leads of components used in electrical and electronic units. | | | Cuts wire to specified lengths; strips insulation from wire ends; twists wire ends and dips ends into pot of solder to prevent fraying; solders wires to specified connectors and terminals, or crimps connectors and terminals to wire ends; wraps numbered or colored identification tape around wires; rolls wires of identical number or color together and attaches tag to roll; inserts wires into plastic insulation tubing; bends, cuts, and crimps component leads to prepare component for mounting onto printed circuit board or other assembly; inserts wires in automatic numbering or color-coding machine to imprint part numbers or color codes; dips wire or component leads into paraffin solution to insulate wire and leads; applies protective coatings onto wires. |
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