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:
Feb. 15, 2011
Filed:
May. 31, 2007
Masaki Kondo, Kanagawa, JP;
Ryo Fukuda, Kanagawa, JP;
Yohji Watanabe, Kanagawa, JP;
Mitsutoshi Nakamura, Ibaraki, JP;
Masaki Kondo, Kanagawa, JP;
Ryo Fukuda, Kanagawa, JP;
Yohji Watanabe, Kanagawa, JP;
Mitsutoshi Nakamura, Ibaraki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor integrated circuit device according to an embodiment of the present invention includes: a semiconductor substrate; an internal circuit formed on the semiconductor substrate, a first potential and a second potential being supplied to the internal circuit, thereby applying an operating voltage to the internal circuit; a fuse disposed above a semiconductor region of a first conductivity type, and electrically connected to the internal circuit, the semiconductor region being supplied with the second potential and being formed in the semiconductor substrate; and a protective element formed in the semiconductor region of the first conductivity type and protecting the internal circuit in response to positive and negative abnormal voltages generated in a wiring through which the fuse and the internal circuit are connected to each other.