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.:

US 7732893 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 08, 2010

Filed:

Mar. 07, 2007
Applicants:

Subramanian S. Iyer, Mount Kisco, NY (US);

Deok-kee Kim, Bedford Hills, NY (US);

Chandrasekharan Kothandaraman, Hopewell Junction, NY (US);

Byeongju Park, Plainview, NY (US);

Inventors:

Subramanian S. Iyer, Mount Kisco, NY (US);

Deok-Kee Kim, Bedford Hills, NY (US);

Chandrasekharan Kothandaraman, Hopewell Junction, NY (US);

Byeongju Park, Plainview, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/04 (2006.01); H01L 31/036 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an electrical fuse structure for achieving a post-programming resistance distribution with higher resistance values and to enhance the reliability of electrical fuse programming. A partly doped electrical fuse structure with undoped semiconductor material in the cathode combined with P-doped semiconductor material in the fuselink and anode is disclosed and the data supporting the superior performance of the disclosed electrical fuse is shown.


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