Ebeam – Data Preparation CATS Industry standard data conversion software. Converts design format .gds to the native ebeam tool .gpf format. BEAMER Data conversion software. Converts design format .gds to the native ebeam tool .gpf format. Provides additional functionality, including PEC, writing order control, etc. cjob Ebeam tool native job (writing script) creation and editing software. User friendly graphical interface. batch_job Mandatory custom script enabling execution of the jobs on the ebeam tool.