Job Description:

• 1) Prints and develops printing plates used in printing symbols and numbers on semiconductor packages: Types identifying symbols and numbers on paper or rubs transfer sheet to transfer symbols and numbers onto paper.

• 2) Places paper containing identification information on camera grid.

• 3) Places specified lens on camera holder and presses buttons and turns handles to adjust camera focus.

• 4) Mounts film in guide slot of camera and pushes button to expose film to identify information.

• 5) Removes exposed film from camera and places film in developer that automatically develops and dries negative.

• 6) Inserts negative and sheet of polymer into exposure machine.

• 7) Activates machine to expose negative polymer sheet to print negative image on polymer and form printing plate.

• 8) Removes polymer plate and places plate in envelope.

• 9) Maintains production records and machines.

• 10) May place semiconductor packages in oven to set or dry printing.

• 11) May immerse printed packages in chemical solution to test durability of printing.