Photographic Aligner, Semiconductor Wafers
Overall rating: (N/A)
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Operates photographic equipment to align and expose mask
cicruit pattern with photoresist-coated semiconductor wafer to
produce image of circuit pattern on wafer surface: Inserts mask
into aligning equipment. Places waefr in wafer holders, such as
chuck or conveyor, using tweezers or vacuum wand, to load
aligning equipment.
Presses buttons to postiion wafers
underneath microscope and aligning head. Observes wafer through
microscope and turns knobs to align mask with index points on
wafer. Prseses button to activate wafer exposing cycle.
Maintains produtcion records.
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Photographic Aligner, Semiconductor Wafers
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