Method for exposing a semiconductor wafer
A method for exposing a semiconductor wafer is provided, which provides a compensation of the effects of process inhomogeneities, e.g. in semiconductor etching or deposition processes, by adjusting sets of exposure parameters (30), preferably dose and focus, of an exposure tool for any exposure fiel...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
15.05.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | A method for exposing a semiconductor wafer is provided, which provides a compensation of the effects of process inhomogeneities, e.g. in semiconductor etching or deposition processes, by adjusting sets of exposure parameters (30), preferably dose and focus, of an exposure tool for any exposure field (21) individually across a semiconductor wafer (10). |
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Bibliography: | Application Number: EP20000124564 |