TRI-LAYER MASKING ARCHITECTURE FOR PATTERNING DUAL DAMASCENE INTERCONNECTS
This invention relates to a method of dual damascene integration for manufacture of integrating circuits using three top hard mask layers having alternating etch selectivity characteristics.
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
23.01.2013
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Subjects | |
Online Access | Get full text |
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Summary: | This invention relates to a method of dual damascene integration for manufacture of integrating circuits using three top hard mask layers having alternating etch selectivity characteristics. |
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Bibliography: | Application Number: EP20030718102 |