Nun-Sian Tsai

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Allentown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making integrated-circuit device metallization
- Patent number 4,985,371
- Issue date Jan 15, 1991
- AT&T Bell Laboratories
- Virendra V. S. Rana
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having tungsten plugs
- Patent number 4,981,550
- Issue date Jan 1, 1991
- AT&T Bell Laboratories
- Robert D. Huttemann
- H01 - BASIC ELECTRIC ELEMENTS