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:
Sep. 16, 2003
Filed:
Mar. 13, 2001
Applicant:
Inventors:
Yoshiyasu Tashiro, Takasaki, JP;
Nobuhiro Kasa, Yoshii, JP;
Kousuke Okuyama, Kawagoe, JP;
Hiroyasu Ishizuka, Ome, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/1112 ;
U.S. Cl.
CPC ...
H01L 3/1112 ;
Abstract
Disclosed herein is a semiconductor device wherein a thyristor protective element and a trigger element are provided in a semiconductor layer formed on a buried insulating layer, and a trigger electrode (gate) of the thyristor protective element and a back gate of the trigger element are provided in the same p well and electrically connected to each other to thereby drive the thyristor protective element based on a substrate current produced by the breakdown of the trigger element.