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. 06, 1988
Filed:
Apr. 14, 1986
Applicant:
Inventors:
Shigeaki Minamihata, Takasaki, JP;
Kazuyuki Kamegaki, Tamamura, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 34 ; 357 92 ; 357 46 ; 357 40 ; 307459 ; 307477 ;
Abstract
A multi-stage IIL circuit is provided which includes common IIL elements each using a PNP transistor as an injector and an NPN transistor as an inverter, and inverse IIL elements each using an NPN transistor as an injector and a PNP transistor as an inverter.