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 7829374 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 09, 2010

Filed:

Jul. 18, 2008
Applicants:

Masashi Hayashi, Osaka, JP;

Kazuya Utsunomiya, Hyogo, JP;

Osamu Kusumoto, Nara, JP;

Inventors:

Masashi Hayashi, Osaka, JP;

Kazuya Utsunomiya, Hyogo, JP;

Osamu Kusumoto, Nara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/28 (2006.01); H01L 29/12 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device according to the present invention includes a silicon carbide semiconductor substrate having a silicon carbide semiconductor layer; a p-type impurity region provided in the silicon carbide semiconductor layer and including a p-type impurity; a p-type ohmic electrode electrically connected to the p-type impurity region; an n-type impurity region provided in the silicon carbide semiconductor layer adjacent to the p-type impurity region, and including an n-type impurity; and an n-type ohmic electrode electrically connected to the n-type impurity region. The p-type ohmic electrode contains an alloy of nickel, aluminum, silicon and carbon, and the n-type ohmic electrode contains an alloy of titanium, silicon and carbon.


Find Patent Forward Citations

Hayashi, Masashi. (2010). Silicon carbide semiconductor device and method for manufacturing the same (U.S. Patent No. 7829374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7829374

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

Loading…