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:
Mar. 30, 2004
Filed:
May. 24, 2002
Applicant:
Inventor:
Raminda U. Madurawe, Sunnyvale, CA (US);
Assignee:
AirIP, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/900 ; H01L 2/710 ; H01L 2/182 ; H01L 2/1326 ; H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/900 ; H01L 2/710 ; H01L 2/182 ; H01L 2/1326 ; H01L 2/144 ;
Abstract
An antifuse includes a grid having at least one n-well active stripe and at least one polysilicon stripe; a first oxide layer having a first oxide thickness, the first oxide layer adapted to electrically short the n-well active stripe with the polysilicon stripe; and a second oxide layer surrounding the first oxide and thicker than the first oxide layer.