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Job Description:

  • 1) Sets up and operates furnaces to grow semiconductor crystals from materials, such as silicon, quartz, or gallium arsenide: Loads furnace with seed crystal, dopant, and crystal growing materials, such as polysilicon, quartz, gallium arsenide, or remelt.

  • 2) Reads work order and adjusts furnace controls to regulate operating conditions, such as power level, temperature, vacuum, and rotation speed, according to crystal growing specifications.

  • 3) Monitors meltdown of growing material and crystal growth, and adjusts furnace controls.

  • 4) Shuts down furnace and unloads crystal ingot after cooling.

  • 5) May clean inside furnace, using vacuum cleaner and cleaning supplies, and replace furnace liner and other parts.

  • 6) May weigh and crop crystal ingot, slice sample wafer, measure and test ingot for resistivity, and determine crystal orientation.

  • 7) May operate computer controls to regulate furnace conditions.




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End Of Job Description for: "CRYSTAL GROWER"
DOT:   590.382-014

Job Number: 2552