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METHOD OF ENHANCING CLEAR FIELD PHASE SHIFT MASKS WITH BORDER REGIONS AROUND PHASE 0 AND PHASE 180 REGIONS
METHOD OF ENHANCING CLEAR FIELD PHASE SHIFT MASKS WITH BORDER REGIONS AROUND PHASE 0 AND PHASE 180 REGIONS
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机译:增强0相和180相周围边界区域的清晰磁场相移掩模的方法
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摘要
The present invention relates to a technique for adding a first border region on the end of the phase 0 region, which defines the polygon is added to the second border regions at the ends of the phase 180 region. The invention improves the line end pattern definition may improve the manufacturability and the patterning process window. The added boundary region to blend the light from both line ends, and the final resist pattern to be more predictable.
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