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:
Oct. 19, 1999
Filed:
Jun. 03, 1997
Applicant:
Inventor:
Yutaka Tajima, Kanagawa, JP;
Assignee:
Nissan Motor Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257373 ; 257369 ; 257372 ; 257355 ;
Abstract
A semiconductor device includes an N-well arranged in the principal surface of a P-type semiconductor substrate, an N.sup.+ well contact arranged in the principal surface of the N-well, and an N.sup.+ buried region arranged to the bottom of the N-well.