- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who operates machines and equipment used in production of semiconductor wafers, such as alignment equipment, automatic developer, and diffusion furnaces, and tests processed wafers to evaluate performance of machines and equipment. Respnsibilities include:
* Operates machines and equipment to process test wafer.
* Inspects and measures test wafer, using electronic measuring equipment and microscope, to determine that machines and equipment are processing wafers according to company specifications.
* Records test results in logbooks.
* Discusses production problems with workers.
* Analyzes test results, using engineering specifications and calculator, and writes report on equipment repair or re-calibration recommendations and on operator procedure violations.
Industry:Professional careers
A professional who sets up and operates computer-controlled epitaxial reactor to grow layer of semiconductor material on wafer surface, following written specifications. Respnsibilities include:
* Removes semiconductor wafers from tray, using vacuum wand, and cleans wafers, using blow-off wand.
* Positions wafers on carousel and aligns carousel on baseplate of reactor.
* Enters processing data into computer to start rotation of baseplate and to activate vacuum pump and epitaxial growth process program.
* Observes display screen to monitor epitaxial growth process.
* Inspects wafers for defects, such as scratches, growths, and pits, and calculates defects per square inch, using calculator.
* Measures thickness and bow (warp) of wafer and thickness and photo-luminescence of epitaxial layer, using gauges and test equipment.
* Calculates surface area of wafer surface, using calculator.
* Inscribes line on wafer, using metal scribe, and breaks off section (light bar sample) of wafer.
* Cuts line on light bar sample to isolate die, using wafer saw, and measures brightness of die, using probe tester.
* Constructs sheet metal housing and installs and repairs electrical wiring, water and gas lines, switches, and gauges on reactor following oral instructions, blueprints, and specifications, using handtools and power tools.
* Checks replacement gas cylinder for leaks before installing on reactor, using leak detector.
* Connects reactor to computer, using handtools and power tools.
* Enters information into computer, using keyboard, to activate program to clean reactor, and cleans and replaces reactor accessories, such as bell jar and carousel.
* Maintains production records.
Industry:Professional careers
A professional who controls generating equipment and maintains specific gravity of acid to form (treat) and charge battery plates and cells, and inspects activities of workers at each station along line. Respnsibilities include:
* Reads meters on generator and moves controls to adjust voltage and amperage to specified levels.
* Observes generator brushes to detect arcing and adjusts brushes, using handtools.
* Inspects polarity arrangement of batteries on forming trucks to ensure conformance to instructions.
* Ascertains charging rate of batteries periodically, using voltmeter.
* Turns valves to drain specified amounts of acid and water into mixing tank and ascertains specific gravity of solution, using hydrometer and thermometer.
* Adds water or acid to obtain specified concentration.
* Observes activities of workers filling cells with acid, stacking batteries on forming trucks, attaching and stripping connectors, treating (forming) plates, dumping acid from batteries, washing and drying plates, testing elements, inserting elements in containers (battery boxes) and charging batteries, and reports deviations to supervisor.
Industry:Professional careers
A professional who controls generating equipment and maintains specific gravity of acid to form (treat) and charge battery plates and cells, and inspects activities of workers at each station along line. Respnsibilities include:
* Reads meters on generator and moves controls to adjust voltage and amperage to specified levels.
* Observes generator brushes to detect arcing and adjusts brushes, using handtools.
* Inspects polarity arrangement of batteries on forming trucks to ensure conformance to instructions.
* Ascertains charging rate of batteries periodically, using voltmeter.
* Turns valves to drain specified amounts of acid and water into mixing tank and ascertains specific gravity of solution, using hydrometer and thermometer.
* Adds water or acid to obtain specified concentration.
* Observes activities of workers filling cells with acid, stacking batteries on forming trucks, attaching and stripping connectors, treating (forming) plates, dumping acid from batteries, washing and drying plates, testing elements, inserting elements in containers (battery boxes) and charging batteries, and reports deviations to supervisor.
Industry:Professional careers
A professional who sets up and operates machine to saturate wire-reinforced paper, used as plaster lath, with oil, wax, or asphalt. Respnsibilities include:
* Loads wire-reinforced paper roll onto unreeling stand, using power hoist or crane.
* Threads paper through saturating rolls of machine and drier rollers and attaches end of paper to rewinding reel.
* Fills machine tank with saturating liquid, using monorail crane.
* Adjusts valves of gas burners and turns setscrews to regulate steam pressure, temperature, and flow of impregnating liquid.
* Starts machine and regulates pressure of saturating roll, rumbler rolls, speed of machine feed, and tension of rewinder, using handtools.
* Removes treated paper roll from rewinder, using power hoist.
* Seals paper roll, using gummed tape.
Industry:Professional careers
A professional who sets up and operates machine to saturate wire-reinforced paper, used as plaster lath, with oil, wax, or asphalt. Respnsibilities include:
* Loads wire-reinforced paper roll onto unreeling stand, using power hoist or crane.
* Threads paper through saturating rolls of machine and drier rollers and attaches end of paper to rewinding reel.
* Fills machine tank with saturating liquid, using monorail crane.
* Adjusts valves of gas burners and turns setscrews to regulate steam pressure, temperature, and flow of impregnating liquid.
* Starts machine and regulates pressure of saturating roll, rumbler rolls, speed of machine feed, and tension of rewinder, using handtools.
* Removes treated paper roll from rewinder, using power hoist.
* Seals paper roll, using gummed tape.
Industry:Professional careers
A professional who assists supervisor, electronics processing in coordinating and monitoring activities of workers engaged in fabricating electronic devices (components), such as integrated circuits, transistors, and diodes, on semiconductor wafers, utilizing knowledge of semiconductor processing equipment and processing procedures. Respnsibilities include:
* Receives and answers questions from workers pertaining to production processes or equipment operation.
* Monitors and expedites flow of materials within production area.
* Notifies maintenance workers of equipment malfunctions.
* Tends or operates machines or equipment on production line to substitute for absentee workers.
* Maintains product workflow records.
* Trains workers in equipment operation and in processing and safety procedures.
* May inspect processed wafers, using microscope, to detect processing defects.
Industry:Professional careers
A professional who assists supervisor, electronics processing in coordinating and monitoring activities of workers engaged in fabricating electronic devices (components), such as integrated circuits, transistors, and diodes, on semiconductor wafers, utilizing knowledge of semiconductor processing equipment and processing procedures. Respnsibilities include:
* Receives and answers questions from workers pertaining to production processes or equipment operation.
* Monitors and expedites flow of materials within production area.
* Notifies maintenance workers of equipment malfunctions.
* Tends or operates machines or equipment on production line to substitute for absentee workers.
* Maintains product workflow records.
* Trains workers in equipment operation and in processing and safety procedures.
* May inspect processed wafers, using microscope, to detect processing defects.
Industry:Professional careers
A professional who 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, using knowledge of microelectronic processing equipment, procedures, and specifications. Respnsibilities include:
* 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.
* May perform some assembly and packaging operations manually.
* May assist in interpretation and evaluation of processing data and in preparation of related reports.
* May assist in technical writing of semiconductor processing specifications.
Industry:Professional careers
A professional who assists supervisor in coordinating activities of workers engaged in abrading, cleaning, etching, heattreating, testing, inspecting, sawing, and other processes in manufacturing semiconductor wafers, utilizing knowledge of equipment, procedures, and specifications for wafer manufacture. Respnsibilities include:
* 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, using handtools and power tools.
* 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.
* May perform duties of absent workers to maintain production.
Industry:Professional careers
