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:
Jun. 11, 2002
Filed:
Oct. 17, 2000
Applicant:
Inventors:
Toru Takizawa, Musashimurayama, JP;
Toshio Imai, Iruma, JP;
Assignee:
Citizen Watch Co., Ltd., Nishitokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/362 ;
U.S. Cl.
CPC ...
H01L 2/362 ;
Abstract
A current when static electricity intrudes is passed by a first circuit portion composed of a series circuit including a fuse element and a resistor until a program voltage is applied to a program voltage terminal, and the fuse element is fused when the program voltage is applied. A current for breaking the fuse element is passed when an N-type MOS transistor turns into a second breakdown state by a gate voltage from a second circuit portion.
Takizawa, Toru. (2002). Protection circuit for semiconductor integrated circuit that can discriminate between program voltage and static electricity (U.S. Patent No. 6404017). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6404017
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile