logo

For the Inventor, By the Inventor

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.:

US 4785338 B1

PDFFull Text
Date of Patent:
Nov. 15, 1988

Filed:

Nov. 10, 1986

Semi-conductor i.c. element

Applicant:
Inventors:

Takao Kinoshita, Tokyo, JP;

Shinji Sakai, Tokyo, JP;

Takashi Kawabata, Kanagawa, JP;

Nobuhiko Shinoda, Tokyo, JP;

Kazuya Hosoe, Tokyo, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Toren, McGeady & Associates

Primary Examiner:

J Carroll

Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 30 ; 357 74 ; 357 84 ;
Abstract

In a monolithic sensor IC, the light sensing element is formed on a base plate and a light-absorber coating such as black paint is provided on the surface of the semiconductor at positions other than the light path to the light sensing element, with the surface of the light-sensing element being provided with a reflection-prevention coating and with the entire sensor being housed within a package, the inside of the package of the IC also being provided with light-absorbing black paint.

Find Patent Forward Citations

Kinoshita, Takao. (1988). Semi-conductor i.c. element (U.S. Patent No. 4785338). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4785338

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…