Method of producing masks for fabricating semiconductor structures
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United States of America Patent
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Dec 10, 2002
Grant Date -
Aug 15, 2002
app pub date -
Apr 10, 2001
filing date -
Apr 10, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Masks are produced for the fabrication of semiconductor structures based on layout data that has information for defining a mask layout with individual geometric structure elements. Layout data generated previously for a mask layout is checked to see whether geometric design requirements are satisfied. In the event of a violation of design requirements, the corresponding error locations in the mask layout are located. Further layout data are then generated, which contain information for defining correction figures to correct the respective error locations. The further layout data are linked with the layout data, so that the layout data are modified. This permits automated modification of the layout data and their technology-dependent optimization.
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