Job Description:

• 1) Tends photographic processing machines that coat semiconductor wafers with solutions, such as photoresist and developing chemicals: Places wafers in containers, such as boats, magazines, cassettes or chuck, using vacuum wand or tweezers.

• 2) Loads wafer containers in photographic processing machine, such as photoresist coater or developer.

• 3) Pushes buttons and turns knobs to start automatic coating cycle.

• 4) Removes container of coated wafers from machine.

• 5) Cleans and maintains machines.

• 6) Maintains production records.

• 7) May immerse wafers in baths of developing chemicals.

• 8) May place coated wafers in oven to set and dry wafers.

• 9) May enter production information into computer, using computer terminal keyboard.

• 10) May immerse wafers in chemical baths to etch excess photoresist or to clean wafers.

• 11) May visually inspect wafers to identify defects, such as misalignment, excess photoresist, and scratches.