logo

For the Inventor, By the Inventor

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.:

US 4017886 B1

PDFFull Text
Date of Patent:
Apr. 12, 1977

Filed:

May. 16, 1975

Discrete semiconductor device having polymer resin as insulator and

Applicant:
Inventors:

Masami Tomono, Kokubunji, JA;

Akira Abe, Takasaki, JA;

Seiki Harada, Hachioji, JA;

Kikuji Sato, Kokubunji, JA;

Takeshi Takagi, Takasaki, JA;

Genichi Kamoshita, Koganei, JA;

Yuichiro Oya, Kodaira, JA;

Atsushi Saiki, Musashimurayama, JA;

Assignee:

Hitachi, Ltd., , JA;

Attorney:

Craig & Antonelli

Primary Examiner:

William D Larkins

Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 54 ; 260 / ; 357 68 ; 357 71 ; 357 72 ;
Abstract

Disclosed is a discrete semiconductor device comprising a Si body having an emitter region, a base region and a collector region, an SiO.sub.2 layer disposed on the surface of the body, a polyimide resin having a thickness of 5 .mu. disposed on the SiO.sub.2 layer, electrodes penetrating through the SiO.sub.2 layer and the polyimide resin thereby contacting the emitter region and the base region, respectively and extending on the surface of the polyimide resin, whereby it becomes easy to bond a wire connected to an external electrode with the electrodes.

Find Patent Forward Citations

Tomono, Masami. (1977). Discrete semiconductor device having polymer resin as insulator and (U.S. Patent No. 4017886). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4017886

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…