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:
Dec. 13, 1988
Filed:
Feb. 20, 1986
Tadashi Sakai, Yokohama, JP;
Masaki Katsura, Yokosuka, JP;
Hideaki Hiraki, Kawasaki, JP;
Shigeki Uno, Tokyo, JP;
Masaru Shimbo, Yokohama, JP;
Kazuyoshi Furukawa, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
In a semiconductor sensor, the surfaces of first and second semiconductor substractes of a first conductivity type are made into flat surfaces by polishing the surfaces and are contacted each other so that the both substrates are bonded together. Source and claim regions are formed by diffusing an impurity of second conductivity type. The source and claim regions are separated through a through hole formed in the second substrate and are extended along the surface of the second substrate. An insulative layer is formed on the opposite surface of the second substrate and an inner surface of the through hole.