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:
Nov. 27, 2001
Filed:
Aug. 16, 2000
Tatsuhiko Fujihira, Nagano, JP;
Yukio Yano, Nagano, JP;
Shigeyuki Obinata, Nagano, JP;
Naoki Kumagai, Nagano, JP;
Fuji Electric Co., Ltd., , JP;
Abstract
A high voltage integrated circuit is provided that includes a first region of first conductivity type; a second region of second conductivity type formed in a first major surface of the first region; a third region of first conductivity type formed in a selected area of a surface of the second region; first source region and first drain region of the first conductivity type formed in the second region, apart from the third region; a first gate electrode formed on a surface of the second region between the first source region and first drain region, through an insulating film; second source region and second drain region of second conductivity type formed in a surface of the third region; and a second gate electrode formed on a surface of the third region between the second source region and the second drain region, through an insulating film.