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Device fabrication by plasma etching
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Patent number 4,256,534
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Issue date Mar 17, 1981
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Bell Telephone Laboratories, Incorporated
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Hyman J. Levinstein
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Mask structure for x-ray lithography
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Patent number 4,253,029
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Issue date Feb 24, 1981
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Bell Telephone Laboratories, Incorporated
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Martin P. Lepselter
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Device fabrication by plasma etching
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Patent number 4,208,241
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Issue date Jun 17, 1980
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Bell Telephone Laboratories, Incorporated
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William R. Harshbarger
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Radiation mask structure
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Patent number 4,171,489
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Issue date Oct 16, 1979
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Bell Telephone Laboratories, Incorporated
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Arthur C. Adams
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY