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Clifford I. Drowley
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Mesa, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making a semiconductor image sensor
Patent number
6,221,686
Issue date
Apr 24, 2001
Motorola, Inc.
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming a semiconductor image sensor and structure
Patent number
6,100,556
Issue date
Aug 8, 2000
Motorola Inc.
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor image sensor
Patent number
6,023,081
Issue date
Feb 8, 2000
Motorola, Inc.
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of doping a semiconductor substrate
Patent number
5,312,764
Issue date
May 17, 1994
Motorola, Inc.
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming doped shallow electrical junctions
Patent number
5,310,711
Issue date
May 10, 1994
Hewlett-Packard Company
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for forming shallow electrical junctions
Patent number
5,256,162
Issue date
Oct 26, 1993
Hewlett-Packard Company
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bipolar transistor with trench-isolated emitter
Patent number
5,144,403
Issue date
Sep 1, 1992
Hewlett-Packard Company
Shang-yi Chiang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of making a bipolar transistor with a trench-isolated emitter
Patent number
5,008,210
Issue date
Apr 16, 1991
Hewlett-Packard Company
Shang-yi Chiang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain boundary confinement in silicon-on-insulator films
Patent number
4,545,823
Issue date
Oct 8, 1985
Hewlett-Packard Company
Clifford I. Drowley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench isolated transistors in semiconductor films
Patent number
4,507,158
Issue date
Mar 26, 1985
Hewlett-Packard Co.
Theodore I. Kamins
H01 - BASIC ELECTRIC ELEMENTS