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. 30, 1990
Filed:
Mar. 23, 1989
Applicant:
Inventors:
Takatsugu Kitora, Itami, JP;
Youichirou Taki, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 35 ; 357 46 ; 357 92 ; 357 34 ; 357 15 ; 357 40 ; 307454 ; 307456 ;
Abstract
A semiconductor integrated circuit device comprises a lateral pnp transistor having a base to which an input signal is applied and a first npn transistor having a base to which a potential appearing at the emitter of the pnp transistor is applied, which transistors constitute a bipolar logic circuit. In the circuit device, the width of the base of the pnp transistor is determined to be in the range of from 5 .mu.m to 7 .mu.m.
Kitora, Takatsugu. (1990). Lateral bipolar transistor for logic circuit (U.S. Patent No. 4897705). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4897705
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile