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En-Den D. Liu
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Mountain View, CA, US
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last 30 patents
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Patent Grant
Method for compensating for the E-beam proximity effect
Patent number
4,988,284
Issue date
Jan 29, 1991
Hewlett-Packard Company
Hua-yu Liu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Multilayer photoresist process utilizing an absorbant dye
Patent number
4,370,405
Issue date
Jan 25, 1983
Hewlett-Packard Company
Michael M. O'Toole
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY