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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 10580743 B1

PDFFull Text
Expired
Date of Patent:
Mar. 03, 2020

Filed:

Nov. 03, 2017

Prevention of reverse engineering of security chips

Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Qing Cao, Yorktown Heights, NY (US);

Kangguo Cheng, Schenectady, NY (US);

Zhengwen Li, Chicago, IL (US);

Fei Liu, Millwood, NY (US);

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);

Attorneys:

Cantor Colburn LLP

Vazken Alexanian

Primary Examiner:

Moin M Rahman

Int. Cl.
CPC ...
H01L 21/56 (2006.01); H01L 23/00 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/57 (2013.01); H01L 21/56 (2013.01); H01L 23/3142 (2013.01); H01L 23/3157 (2013.01); H01L 23/573 (2013.01); H01L 2924/3512 (2013.01);
Abstract

A semiconductor chip includes a chip substrate; a self-destructive layer arranged on the chip substrate, the self-destructive layer including a pyrophoric reactant; and a sealant layer arranged on a surface of the self-destructive layer, on sidewalls of the self-destructive layer, and on the chip substrate such that the sealant layer forms a package seal on the semiconductor chip; wherein the pyrophoric reactant ignites spontaneously upon exposure to air.

Find Patent Forward Citations

Cao, Qing. (2020). Prevention of reverse engineering of security chips (U.S. Patent No. 10580743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10580743

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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