| Job Title |
Photo Mask Technician, Electron-beam |
| Job Description |
Generates Computer Tape Or Disk Of Processing Instructions For
Use In Electron-beam Fabrication Of Photo Masks Used In
Integrated Circuit (ic) Manufacture, Using Computer Graphics
System And Software And Applying Knowledge Of Photo Mask Layout:
Reviews Work Order And Specification Manuals To Determine Data
Required To Lay Out Array (arrangement Of Integrated Circuit
Layer Patterns) For Reproduction Onto Photo Mask. Enters
Commands Into Computer, Using Keyboard, To Retrieve From Data
File And Display On Display Screen Existing Array Format
Information. Calculates Additional Array Information Required,
Such As Array Center And Coordinates, Number Of Rows And Columns
In Array, And Location Of Test Patterns In Array, Following
Specification Manual And Work Order Instructions. Locates File
(computer Tape) Relating To Specified Ic Layer And Loads Tape
Into Computer Tape Drive. Enters Specified Commands Into
Computer, Using Keyboard To Retrieve Ic Layer Pattern From File
And Display Pattern On Array Format On Computer Display Screen.
Positions Ic Layer Patterns And Test Patterns Within Array
Format On Display Screen, Using Knowledge Of Photo Mask Layout
And Computer Graphics. Enters Electron-beam Exposure
Instructions Into Computer And Keys In Commands To Transfer
Array Data And Exposure Instructions Onto Computer Disk Or Tape
For Use By Photo Mask Maker, Electron-beam (electron. Comp.)
972.382-018. May Enter Commands Into Computer, Using Keyboard,
To Transfer Ic Layer Patterns Onto Hard Copy (plots), Using
Plotter Peripheral Equipment. May Inspect Plots Of Ic Layer
Patterns For Layout Errors.
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