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:
Jan. 25, 2005
Filed:
Jun. 04, 2002
Applicant:
Kenji Ichikawa, Tokyo, JP;
Inventor:
Kenji Ichikawa, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2701 ; H01L 2362 ;
U.S. Cl.
CPC ...
Abstract
A semiconductor integrated device having a source region and a drain region of a first conductive type, a channel region of a second conductive type which is located between the source and drain regions. The channel region having a highly doped impurity region of the second conductive type which is surrounded by a lightly doped impurity region of the second conductive type.