HIGH RESISTANCE OPTICAL SHIELD FOR VISIBLE SENSORS
Assignee
Westinghouse
Filed as: WESTINGHOUSE ELECTRIC CORPORATION
Filed
Feb 27, 1985
Granted
Jul 10, 1990
Location
SILVER SPRING MD US
Abstract
An improved light shield for selectively shielding selected light sensitive elements in a visible sensor semiconductor device from incident light comprising a layer of high resistance semiconductor material carried upon the surface of the semiconductor substrate. The high resistance semiconductor material is selected to have a band gap narrower than the silicon semiconductor material it is shielding in order to substantially absorb light which would otherwise fall upon the shielded photosensitive elements.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Nov 8, 1985
Rescinded
Feb 21, 1990
Duration
4 years, 3 months
Inventor
- 1NATHAN BLUZER
Record Details
- Patent number
- US 4941029
- Application
- 06706436
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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