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Semiconductor Processing Technicians - 51-9141.00

O*NET-SOC Description

Perform any or all of the following functions in the manufacture of electronic semiconductors: load semiconductor material into furnace; saw formed ingots into segments; load individual segment into crystal growing chamber and monitor controls; locate crystal axis in ingot using x-ray equipment and saw ingots into wafers; and clean, polish, and load wafers into series of special purpose furnaces, chemical baths, and equipment used to form circuitry and change conductive properties.

Sample of Reported Job Titles

  • Device Processing Engineer
  • Diffusion Operator
  • Engineering Technician
  • Manufacture Specialist
  • Manufacturing Technician
  • Metalorganic Chemical Vapor Deposition Engineer (MOCVD Engineer)
  • Probe Operator
  • Process Technician
  • Wafer Fabrication Operator

SOC Occupation Groups

51-0000 Production Occupations
51-9000 Other Production Occupations
51-9140 Semiconductor Processing Technicians
51-9141.00 Semiconductor Processing Technicians

Related Occupations


  • Align photo mask pattern on photoresist layer, expose pattern to ultraviolet light, and develop pattern, using specialized equipment.
  • Attach ampoule to diffusion pump to remove air from ampoule, and seal ampoule, using blowtorch.
  • Calculate etching time based on thickness of material to be removed from wafers or crystals.
  • Clean and maintain equipment, including replacing etching and rinsing solutions and cleaning bath containers and work area.
  • Clean semiconductor wafers using cleaning equipment, such as chemical baths, automatic wafer cleaners, or blow-off wands.
  • Connect reactor to computer, using hand tools and power tools.
  • Count, sort, and weigh processed items.
  • Etch, lap, polish, or grind wafers or ingots to form circuitry and change conductive properties, using etching, lapping, polishing, or grinding equipment.
  • Inspect equipment for leaks, diagnose malfunctions, and request repairs.
  • Inspect materials, components, or products for surface defects and measure circuitry, using electronic test equipment, precision measuring instruments, microscope, and standard procedures.
  • Load and unload equipment chambers and transport finished product to storage or to area for further processing.
  • Load semiconductor material into furnace.
  • Locate crystal axis of ingot, and draw orientation lines on ingot, using x-ray equipment, drill, and sanding machine.
  • Maintain processing, production, and inspection information and reports.
  • Manipulate valves, switches, and buttons, or key commands into control panels to start semiconductor processing cycles.
  • 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.
  • Monitor operation and adjust controls of processing machines and equipment to produce compositions with specific electronic properties, using computer terminals.
  • Mount crystal ingots or wafers on blocks or plastic laminate, using special mounting devices, to facilitate their positioning in the holding fixtures of sawing, drilling, grinding or sanding equipment.
  • Operate saw to cut remelt into sections of specified size or to cut ingots into wafers.
  • Place semiconductor wafers in processing containers or equipment holders, using vacuum wand or tweezers.
  • Scribe or separate wafers into dice.
  • 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.
  • Stamp, etch, or scribe identifying information on finished component according to specifications.
  • Study work orders, instructions, formulas, and processing charts to determine specifications and sequence of operations.

Detailed Work Activities

  • Adjust flow of electricity to tools or production equipment.
  • Adjust temperature controls of ovens or other heating equipment.
  • Assemble equipment or components.
  • Assemble precision electronics or optical equipment.
  • Calculate specific material, equipment, or labor requirements for production.
  • Clean workpieces or finished products.
  • Count finished products or workpieces.
  • Cut industrial materials in preparation for fabrication or processing.
  • Diagnose equipment malfunctions.
  • Engrave designs, text, or other markings onto materials, workpieces, or products.
  • Enter commands, instructions, or specifications into equipment.
  • Inspect production equipment.
  • Install instrumentation or electronic equipment or systems.
  • Load items into ovens or furnaces.
  • Load materials into production equipment.
  • Maintain production or processing equipment.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Measure ingredients or substances to be used in production processes.
  • Mix substances to create chemical solutions.
  • Monitor equipment operation to ensure that products are not flawed.
  • Mount materials or workpieces onto production equipment.
  • Move products, materials, or equipment between work areas.
  • Notify others of equipment repair or maintenance needs.
  • Operate cutting equipment.
  • Operate welding equipment.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Record operational or production data.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Sort materials or products for processing, storing, shipping, or grading.
  • Weigh finished products.

Military Crosswalk Titles

  • Microminiature Repairer (Marine Corps - Enlisted)

Apprenticeship Crosswalk Titles

No information available.

DOT Crosswalk Titles

  • Charge Preparation Technician
  • Crystal Grower
  • Crystal Growing Technician
  • Crystal Machining Coordinator
  • Crystal Mounter
  • Crystal Slicer
  • Die Attacher
  • Diffusion Furnace Operator, Semiconductor Wafers
  • Electronic-Component Processor
  • Epitaxial Reactor Operator
  • Epitaxial Reactor Technician
  • Etch Operator, Semiconductor Wafers
  • Etcher
  • Etcher-Stripper, Semiconductor Wafers
  • Group Leader, Semiconductor Processing
  • Integrated Circuit Fabricator
  • Ion Implant Machine Operator
  • Lead Worker, Wafer Polishing
  • Lead Worker, Wafer Production
  • Loader, Semiconductor Dies
  • Marker, Semiconductor Wafers
  • Metallization Equipment Tender, Semiconductors
  • Microelectronics Technician
  • Saw Operator, Semiconductor Wafers
  • Sealer, Semiconductor Packages
  • Seed Core Operator
  • Semiconductor Processor
  • Test Technician, Semiconductor Processing Equipment
  • Wafer Breaker, Semiconductors
  • Wafer Mounter