Day-to-Day Responsibilities
Convert chip layout data from design teams into photomask layout files for the mask writing process
Apply optical proximity correction and other resolution-enhancement steps so printed patterns match the intended design
Check mask data against design rules and manufacturing rules before a mask is released
Run layout and mask data preparation software to build and verify mask files
Work with chip design and process engineers to resolve pattern, alignment or yield issues
Track mask orders, revisions and specifications for different products or process technologies
Document mask specifications and changes for review and sign-off


