Chromeless phase shifting mask for integrated circuits using interior region
A system for creating mask layout pattern data in order to create a number of desired features on a semiconductor wafer. Critical features and features that are adjacent to or abut critical features are formed as phase shifting regions on a mask. Larger, non-critical features can be formed as annula...
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| creator | WORD JAMES |
| description | A system for creating mask layout pattern data in order to create a number of desired features on a semiconductor wafer. Critical features and features that are adjacent to or abut critical features are formed as phase shifting regions on a mask. Larger, non-critical features can be formed as annular rim shifters and may include one or more filling phase shifting regions. Non-critical features that are not adjacent to critical features and/or sub-resolution features that are not desired to print on the wafer can be formed as opaque or partially transparent regions on the mask. |
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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS |
| title | Chromeless phase shifting mask for integrated circuits using interior region |
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