Giovanni Negri

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Sizzano, IT

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor wafer, polishing apparatus and method
- Patent number 7,137,874
- Issue date Nov 21, 2006
- MEMC Electronic Materials, SpA
- Ezio Bovio
- B24 - GRINDING POLISHING
Information Patent Grant
Method of polishing wafers
- Patent number 6,878,302
- Issue date Apr 12, 2005
- MEMC Electronic Materials, SpA
- Paride Corbellini
- B24 - GRINDING POLISHING
Information Patent Grant
Process for reducing surface variations for polished wafer
- Patent number 6,479,386
- Issue date Nov 12, 2002
- MEMC Electronic Materials, Inc.
- Kan-Yin Ng
- B24 - GRINDING POLISHING