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Etch, lap, polish, or grind wafers or ingots to form circuitry and change conductive properties, using etching, lapping, polishing, or grinding equipment.
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Monitor operation and adjust controls of processing machines and equipment to produce compositions with specific electronic properties, using computer terminals.
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Maintain processing, production, and inspection information and reports.
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Load and unload equipment chambers and transport finished product to storage or to area for further processing.
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Manipulate valves, switches, and buttons, or key commands into control panels to start semiconductor processing cycles.
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Scribe or separate wafers into dice.
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Load semiconductor material into furnace.
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Inspect equipment for leaks, diagnose malfunctions, and request repairs.
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Set, adjust, and readjust computerized or mechanical equipment controls to regulate power level, temperature, vacuum, and rotation speed of furnace, according to crystal growing specifications.
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Connect reactor to computer, using hand tools and power tools.
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Clean semiconductor wafers using cleaning equipment, such as chemical baths, automatic wafer cleaners, or blow-off wands.
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Count, sort, and weigh processed items.
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Clean and maintain equipment, including replacing etching and rinsing solutions and cleaning bath containers and work area.
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Inspect materials, components, or products for surface defects and measure circuitry, using electronic test equipment, precision measuring instruments, microscope, and standard procedures.
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Place semiconductor wafers in processing containers or equipment holders, using vacuum wand or tweezers.
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Align photo mask pattern on photoresist layer, expose pattern to ultraviolet light, and develop pattern, using specialized equipment.
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Stamp, etch, or scribe identifying information on finished component according to specifications.
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Study work orders, instructions, formulas, and processing charts to determine specifications and sequence of operations.
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Measure and weigh amounts of crystal growing materials, mix and grind materials, load materials into container, and monitor processing procedures to help identify crystal growing problems.
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Calculate etching time based on thickness of material to be removed from wafers or crystals.