The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 1992
Filed:
Feb. 02, 1990
Applicant:
Inventors:
Ichiro Kasai, Santa Barbara, CA (US);
Richard M Wallach, Guerneville, CA (US);
Bonnie A Baumgratz, Goleta, CA (US);
Michael E Boyd, Isla Vista, CA (US);
Assignee:
Santa Barbara Research Center, Goleta, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A01L / ;
U.S. Cl.
CPC ...
357 30 ; 357 52 ; 357 32 ; 437235 ; 437904 ; 437173 ; 437170 ; 204 383 ; 204 42 ;
Abstract
A method is disclosed for passivating infrared detector arrays 50. A wafer 48 of indium antimonide (InSb) is subjected an anodization process while being illuminated by a bright incandescent lamp 66. In one embodiment, the photo-anodized layer 72 is used in an array 50 to passivate implanted diode regions 76,78 on the front side thereof, while employing an antireflective coating 74 on the backside anodized surface 70.