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:
Oct. 06, 2015
Filed:
Aug. 22, 2011
Applicants:
Cheng-hsiung Huang, Cupertino, CA (US);
Shih-lin Lee, San Jose, CA (US);
Shuang Xie, Cupertino, CA (US);
Inventors:
Cheng-Hsiung Huang, Cupertino, CA (US);
Shih-Lin Lee, San Jose, CA (US);
Shuang Xie, Cupertino, CA (US);
Assignee:
Altera Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/24 (2006.01); H01L 45/00 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01L 45/00 (2013.01); H01L 29/78 (2013.01);
Abstract
A contact fuse is provided. The contact fuse includes a metal oxide semiconductor (MOS) transistor and a control circuit having outputs coupled to a plurality of terminals of the MOS transistor. The control circuit is operable to forward bias a body-source junction during a programming operation and operable to short the body-source junction during a sensing operation. A method of operating a contact fuse is also provided.