Weldon J. Bell

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Frisco, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
OISF control in czochralski-grown crystals
- Patent number 5,820,672
- Issue date Oct 13, 1998
- Texas Instruments Incorporated
- Weldon J. Bell
- C30 - CRYSTAL GROWTH
Information Patent Grant
Oxygen precipitation control in Czochralski-grown silicon crystals
- Patent number 5,795,382
- Issue date Aug 18, 1998
- Texas Instruments Incorporated
- Weldon J. Bell
- C30 - CRYSTAL GROWTH
Information Patent Grant
System for oxygen precipitation control in silicon crystals
- Patent number 5,607,507
- Issue date Mar 4, 1997
- Texas Instruments Incorporated
- Weldon J. Bell
- C30 - CRYSTAL GROWTH
Information Patent Grant
Oxygen precipitation control in czochralski-grown silicon cyrstals
- Patent number 5,474,020
- Issue date Dec 12, 1995
- Texas Instruments Incorporated
- Weldon J. Bell
- C30 - CRYSTAL GROWTH