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David L. Bergeron
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Winooski, VT, US
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Patents Grants
last 30 patents
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Patent Grant
Trench-defined semiconductor structure
Patent number
4,547,793
Issue date
Oct 15, 1985
International Business Machines Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a saturation-limited bipolar transistor device
Patent number
4,446,611
Issue date
May 8, 1984
International Business Machines Corporation
David L. Bergeron
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable bipolar structures
Patent number
4,412,308
Issue date
Oct 25, 1983
International Business Machines Corporation
David L. Bergeron
G11 - INFORMATION STORAGE
Information
Patent Grant
Forming an integrated circuit
Patent number
4,395,812
Issue date
Aug 2, 1983
IBM Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Saturation-limited bipolar transistor device
Patent number
4,390,890
Issue date
Jun 28, 1983
International Business Machines Corporation
David L. Bergeron
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Schottky barrier diode with controlled characteristics and fabricat...
Patent number
4,357,178
Issue date
Nov 2, 1982
IBM Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bipolar compatible electrically alterable read-only memory
Patent number
4,344,222
Issue date
Aug 17, 1982
IBM Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure and process for optimizing the characteristics of I.sup.2...
Patent number
4,326,212
Issue date
Apr 20, 1982
IBM Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dense high performance JFET compatible with NPN transistor formatio...
Patent number
4,314,267
Issue date
Feb 2, 1982
IBM Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Voltage compensation of temperature coefficient of resistance in an...
Patent number
4,229,753
Issue date
Oct 21, 1980
International Business Machines Corporation
David L. Bergeron
G05 - CONTROLLING REGULATING
Information
Patent Grant
Hardened photoresist master image mask process
Patent number
4,201,800
Issue date
May 6, 1980
International Business Machines Corp.
George E. Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Localized oxidation enhancement for an integrated injection logic c...
Patent number
4,157,268
Issue date
Jun 5, 1979
International Business Machines Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
NPN/PNP Fabrication process with improved alignment
Patent number
4,110,126
Issue date
Aug 29, 1978
International Business Machines Corporation
David L. Bergeron
H01 - BASIC ELECTRIC ELEMENTS