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. 09, 2003
Filed:
Mar. 08, 2002
Applicant:
Inventors:
Yoichi Tamaki, Kokubunji, JP;
Takayuki Iwasaki, Hitachi, JP;
Kousuke Tsuji, Saitama, JP;
Chiyoshi Kamada, Kokubunji, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/750 ; H01L 2/18222 ;
U.S. Cl.
CPC ...
G06F 1/750 ; H01L 2/18222 ;
Abstract
The number of design processes for fabricating semiconductor devices can be reduced by parallel connection of a plurality of unit bipolar transistors Qu that are completely electrically isolated from each other in a semiconductor layer of an SOI substrate to form a bipolar transistor having a large current capacity.