Tests a variety of electronic, mechanical, and electromechanical components on electronic systems, subassemblies, and parts to ensure unit functions according to specifications or to determine cause of unit failure, using electronic test instruments. Reads test schedule, work orders, test manuals,... [+] More

Tests a variety of electronic, mechanical, and electromechanical components on electronic systems, subassemblies, and parts to ensure unit functions according to specifications or to determine cause of unit failure, using electronic test instruments. Reads test schedule, work orders, test manuals, performance specifications, wiring diagrams, and schematics to determine testing procedure and equipment to be used.

Checks functional performance of systems, subassemblies, and parts under specified environmental conditions, such as temperature change, vibration, pressure, and humidity, using testing devices, such as temperature cabinets, shake-test machines, and centrifuges. Calibrates test instruments according to specifications. Connects unit to be tested to test equipment, such as signal generator, frequency meter, or spectrum analyzer. Reads dials or digital displays that indicate electronic characteristics, such as voltage, frequency, distortion, inductance, and capacitance. Compares results with specifications and records test data or plots test results on graph. Analyzes test results on defective units to determine cause of failure, applying knowledge of electronic theory and using electronic test equipment. Replaces defective wiring and components, using hand tools and soldering iron, or records defects on tag attached to unit and returns unit to production department for repair. Confers with engineers, technicians, production personnel, and others regarding testing procedures and results and to resolve problems. May write computer programs to control semiconductor device and electronic component test equipment prior to testing, utilizing knowledge of programming techniques, electronics, test equipment, and testing specifications. May explain and demonstrate testing procedures to other workers. May verify dimensions of pins, shafts, and other mechanical parts, using calipers, vernier gauges, and micrometers. May operate x-ray equipment to verify internal assembly and alignment of parts according to specifications. May devise test equipment setup to evaluate performance and operation of nonstandard or customer returned units. [-] Less

Tests a variety of electronic, mechanical, and electromechanical components on electronic systems, subassemblies, and parts to ensure unit functions according to specifications or to determine cause of unit failure, using electronic test instruments. Reads test schedule, work orders, test manuals,... [+] More

Tests a variety of electronic, mechanical, and electromechanical components on electronic systems, subassemblies, and parts to ensure unit functions according to specifications or to determine cause of unit failure, using electronic test instruments. Reads test schedule, work orders, test manuals, performance specifications, wiring diagrams, and schematics to determine testing procedure and equipment to be used.

Checks functional performance of systems, subassemblies, and parts under specified environmental conditions, such as temperature change, vibration, pressure, and humidity, using testing devices, such as temperature cabinets, shake-test machines, and centrifuges. Calibrates test instruments according to specifications. Connects unit to be tested to test equipment, such as signal generator, frequency meter, or spectrum analyzer. Reads dials or digital displays that indicate electronic characteristics, such as voltage, frequency, distortion, inductance, and capacitance. Compares results with specifications and records test data or plots test results on graph. Analyzes test results on defective units to determine cause of failure, applying knowledge of electronic theory and using electronic test equipment. Replaces defective wiring and components, using hand tools and soldering iron, or records defects on tag attached to unit and returns unit to production department for repair. Confers with engineers, technicians, production personnel, and others regarding testing procedures and results and to resolve problems. May write computer programs to control semiconductor device and electronic component test equipment prior to testing, utilizing knowledge of programming techniques, electronics, test equipment, and testing specifications. May explain and demonstrate testing procedures to other workers. May verify dimensions of pins, shafts, and other mechanical parts, using calipers, vernier gauges, and micrometers. May operate x-ray equipment to verify internal assembly and alignment of parts according to specifications. May devise test equipment setup to evaluate performance and operation of nonstandard or customer returned units. [-] Less

Researches, develops, designs, tests, and analyzes electronic components, products, and systems for commercial, industrial, medical, military, and scientific applications, applying principles and techniques of electronic engineering. Designs electronic circuits, components and integrated systems, utilizing ferroelectric, nonlinear, dielectric, phosphorescent, photo-conductive, and... [+] More

Researches, develops, designs, tests, and analyzes electronic components, products, and systems for commercial, industrial, medical, military, and scientific applications, applying principles and techniques of electronic engineering. Designs electronic circuits, components and integrated systems, utilizing ferroelectric, nonlinear, dielectric, phosphorescent, photo-conductive, and thermoelectric properties of materials. Designs test control apparatus and equipment, determines procedures for testing products, and oversees engineering personnel in fabrication of test control apparatus and equipment. Excludes paraprofessional positions.

Develops new applications of conductive properties of metallic and nonmetallic materials used in components, and in application of components to products or systems. May direct field operations and maintenance of electronic installations. May evaluate operational systems and recommend design modifications to eliminate causes of malfunctions or changes in system requirements. May specialize in development of electronic principles and technology in fields, such as telecommunications, telemetry, aerospace guidance, missile propulsion control, counter-measures, acoustics, nucleonic instrumentation, industrial controls and measurements, high-frequency heating, computers, radiation detection, encephalographic, electron optics, and biomedical research. May use computer-assisted engineering and design software and equipment to perform engineering tasks. [-] Less

Designs and develops electronic components, equipment, systems, and products, applying knowledge and principles of electronic theory, design, and engineering. Performs duties as described under design engineer, products. May use computer-assisted engineering and design software and equipment to formulate and test electronic designs.

Drafts detailed drawings, such as wiring diagrams, layout drawings, mechanical detail drawings, and drawings of intermediate and final assemblies, used in manufacture, assembly, installation, and repair of electronic components, printed circuit boards, and equipment. Prepares working plans and detail drawings... [+] More

Drafts detailed drawings, such as wiring diagrams, layout drawings, mechanical detail drawings, and drawings of intermediate and final assemblies, used in manufacture, assembly, installation, and repair of electronic components, printed circuit boards, and equipment. Prepares working plans and detail drawings from rough or detailed sketches and notes for engineering or production purposes according to dimensional specifications. Prepares, computes, and verifies specifications drafting data, upon examination of electronic schematics and supporting documents received from design engineering.

Calculates and lays out dimensions, angles, curvature of parts, materials to be used, relationship of one part to another, and relationship of various parts to entire structure or project, utilizing knowledge of engineering practices, mathematics, materials, production technology, and related physical sciences. Creates preliminary or final sketch of proposed drawing, using drafting techniques and devices, or using computer-assisted design drafting equipment. Modifies drawings as directed by engineer. May use computer-assisted drafting (CAD) equipment and software. [-] Less

Fixes technical problems by applying principles and theories of electronics, electrical circuitry, engineering mathematics, electronic and electrical testing, and physics. Lays out, builds, tests, troubleshoots, repairs, and modifies developmental and production electronic components, parts, equipment, systems, and related products and... [+] More

Fixes technical problems by applying principles and theories of electronics, electrical circuitry, engineering mathematics, electronic and electrical testing, and physics. Lays out, builds, tests, troubleshoots, repairs, and modifies developmental and production electronic components, parts, equipment, systems, and related products and services. Work is more limited in scope and more practically oriented than that of scientists and engineers.

Discusses layout and assembly procedures and problems with engineering personnel and draws sketches to clarify design details and functional criteria of electronic units. Develops wiring diagrams, layout drawings, and engineering specifications for system or equipment modifications or expansion. Recommends changes in circuitry or installation specifications to simplify assembly and maintenance. Plans, directs, and records periodic testing. Sets up standard test apparatus or devises test equipment and circuitry to conduct functional, operational, environmental, and life tests to evaluate performance and reliability. 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 for consideration by engineers in broader determinations affecting systems design and laboratory procedures. Diagnoses cause of electronic or mechanical malfunction or failure of operational equipment and performs preventative and corrective maintenance. May assemble experimental circuitry or complete prototype model according to engineering instructions, technical manuals, and knowledge of electronic systems and components. May operate bench lathes, drills, or other machine tools to fabricate parts, such as coils, terminal boards, and chassis. [-] Less

Cleans and maintains wafer processing machines and equipment and mixes chemical solutions, following production specifications.

Reads work orders and specifications to determine machines and equipment requiring replenishment of chemical solutions. Measures and mixes chemical solutions, using graduated beakers and funnels. Pours... [+] More

Cleans and maintains wafer processing machines and equipment and mixes chemical solutions, following production specifications.

Reads work orders and specifications to determine machines and equipment requiring replenishment of chemical solutions. Measures and mixes chemical solutions, using graduated beakers and funnels. Pours chemical solutions into wafer processing machine tanks to replenish machine supplies. Cleans furnace accessories, such as quartz tubes and stainless steel tubing, using chemical solutions. Removes broken quartzware and wafers from furnace and vacuums interior of furnace. Cleans processing machines and equipment, using cleaning solvent and cloth. Removes and replaces empty machine and equipment gas tanks. Measures furnace temperatures, using thermal rod or thermocouple, and turns knobs on furnace control panel to adjust temperature. May re-stock storage shelves and workstation with supplies, such as chemicals, alcohol, and rubber gloves. May maintain log records of machine and equipment processing readings. [-] Less

Assembles electronic... [+] More

Assembles electronic components, subassemblies, products, or systems of a level less than Precision Assemblers Electronic. Reads work orders, follows production drawings and sample assemblies, or receives verbal instructions regarding duties to be performed. The distinction between the two positions is as follows

(1) Precision Assemblers Electronic require a high degree of precision, ability to interpret detailed specifications and instructions, and use of independent judgment and knowledge gained by up to several years of training and experience; and (2) Electronic Assemblers (General) require less training, knowledge, and judgment to perform the duties.

Positions and aligns parts in specified relationship to each other in jig, fixture, or other holding device. Crimps, stakes, screws, bolts, rivets, welds, solders, cements, press fits, or performs similar operations to join or secure parts in place, using hand tools, power tools, machines, and equipment. Mounts assembled components, such as transformers, resistors, transistors, capacitors, integrated circuits, and sockets, on chassis panel. Connects component lead wires to printed circuit or routes and connects wires between individual component leads and other components, connectors, terminals, and contact points, using soldering, welding, thermocompression, or related bonding procedures and equipment. Inspects and twists stripped wires together by hand to join designated colored wires. Disassembles cores to facilitate attachment of coils and attaches cores to coils, using cloth tape and glue. Secures core/coils, using metal strapping, metal cutters, and band clippers. Installs finished assemblies or subassemblies in cases and cabinets. Assembles and attaches hardware, such as caps, clamps, knobs, and switches, to assemblies. Performs intermediate assembly tasks, such as potting, encapsulating, sanding, cleaning, epoxy bonding, curing, stamping, etching, impregnating, and color-coding parts and assemblies. Tends machines that press, shape, or wind component parts. Adjusts or trims materials from components to achieve specified electrical or dimensional characteristics. Performs on-line testing and inspection, using magnifying devices, measuring instruments, and electronic test equipment, to ensure parts and assemblies meet production specifications and standards. May clean coils to remove materials accumulated during production processing. May remove accessories from coils, using screwdriver, and wraps coils with paper and tape, leaving ends of wire leads exposed. May insert ends of wire leads of cores and coils into wire stripping machine to remove coating from wires. May perform assembly operations under microscope or other magnifying device. Occupations related to assembly of printed circuit boards and fabrication of integrated circuit chips are defined under separate definitions. [-] Less

Inspects items, such as electronic assemblies, subassemblies, parts, integrated circuit (IC) assemblies, semiconductor wafers, IC dies and components, following samples, production illustrations, comparators or microscope for defects, and conformance to company standards. Examines unit for physical defects, such as broken... [+] More

Inspects items, such as electronic assemblies, subassemblies, parts, integrated circuit (IC) assemblies, semiconductor wafers, IC dies and components, following samples, production illustrations, comparators or microscope for defects, and conformance to company standards. Examines unit for physical defects, such as broken or missing leads, broken circuit lines, bridged circuits, misalignments, symbol errors, excess or missing solder, holes in sealing material, coating and plating blemishes, oil leaks, faulty welds, scratches, cracks, and chips.

Discards defective items. Examines hardware for specified contact with conductor area. Disallows faulty assembly, part, or component and records type and quantity of defects. Turns knobs on microscope to adjust focus and magnification as required to view items for inspection. May use magnifying glass to inspect electronic items. May remove contaminants from items, using brush or air hose. May compare hardware on assemblies, subassemblies, and parts to parts list to verify installation. May measure parts to verify accuracy of dimensions, using precision measuring instruments. May sort defective components and parts for salvage or scrap. May inspect parts, using microscope or magnifier. May inspect electronic assemblies, subassemblies, parts, integrated circuit (IC) assemblies, semiconductor wafers, IC dies and/or components for defects. [-] Less

Repairs electronic equipment, such as computers, industrial controls, audio and video systems, radar systems, telemetering and missile control systems, transmitters, antennas, and servomechanisms, following blueprints and manufacturers' specifications, and using hand tools and test instruments.

Converses with equipment operators to ascertain... [+] More

Repairs electronic equipment, such as computers, industrial controls, audio and video systems, radar systems, telemetering and missile control systems, transmitters, antennas, and servomechanisms, following blueprints and manufacturers' specifications, and using hand tools and test instruments.

Converses with equipment operators to ascertain problems with equipment before breakdown, and to determine if breakdown is due to human error or mechanical problems. Tests faulty equipment and applies knowledge of functional operation of electronic units and systems to diagnose cause of malfunction. Tests electronic components and circuits to locate defects, using oscilloscopes, signal generators, ammeters, and voltmeters. Replaces defective components and wiring and adjusts mechanical parts, using hand tools and soldering iron. Aligns, adjusts, and calibrates equipment according to specifications. Calibrates testing instruments. Maintains records of repairs, calibrations, and tests. May enter information into computer to copy program from one electronic component to another, or to draw, modify or to store schematics, applying knowledge of software package used. May install equipment in industrial or military establishments and in aircraft and missiles. May operate equipment, such as communication equipment or missile control systems in ground and flight test, and be required to hold license from governmental agency. [-] Less