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Method for etching tungsten
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Patent number 4,997,520
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Issue date Mar 5, 1991
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for etching tungsten
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Patent number 4,915,777
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Issue date Apr 10, 1990
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Processing apparatus and method
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Patent number 4,886,570
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Issue date Dec 12, 1989
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Texas Instruments Incorporated
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Cecil J. Davis
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for etching tungsten
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Patent number 4,863,558
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Issue date Sep 5, 1989
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for etching tungsten
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Patent number 4,849,067
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Issue date Jul 18, 1989
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for etching tungsten
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Patent number 4,842,687
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Issue date Jun 27, 1989
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Process for etch of tungsten
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Patent number 4,842,676
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Issue date Jun 27, 1989
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Wafer processing apparatus and method
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Patent number 4,842,686
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Issue date Jun 27, 1989
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Texas Instruments Incorporated
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Cecil J. Davis
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for plasma etching tungsten
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Patent number 4,838,990
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Issue date Jun 13, 1989
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Texas Instruments Incorporated
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Rhett B. Jucha
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Processing apparatus and method
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Patent number 4,822,450
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Issue date Apr 18, 1989
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Texas Instruments Incorporated
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Cecil J. Davis
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Contact etch method
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Patent number 4,758,305
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Issue date Jul 19, 1988
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Texas Instruments Incorporated
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Thomas D. Bonifield
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H01 - BASIC ELECTRIC ELEMENTS
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