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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 9640228 B1

PDFFull Text
Date of Patent:
May. 02, 2017

Filed:

Dec. 12, 2014

Cmos device with reading circuit

Applicant:

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

Inventors:

Dimitris P. Ioannou, South Burlington, VT (US);

Chandrasekharan Kothandaraman, Hopewell Junction, NY (US);

Assignee:

GLOBALFOUNDRIES INC., Grand Cayman, KY;

Attorneys:

Anthony Canale

Andrew M. Calderon

Roberts Mlotskowski Safran Cole & Calderon, P.C.

Primary Examiner:

Helen Rossoshek

Int. Cl.
CPC ...
G06F 17/50 (2006.01); G11C 7/04 (2006.01); G11C 7/24 (2006.01); G11C 11/412 (2006.01); H01L 29/78 (2006.01); G11C 16/10 (2006.01); G06F 9/30 (2006.01); H01L 29/423 (2006.01);
U.S. Cl.
CPC ...
G11C 7/04 (2013.01); G11C 7/24 (2013.01); G11C 11/412 (2013.01); G06F 9/30141 (2013.01); G11C 16/10 (2013.01); H01L 29/42368 (2013.01); H01L 29/7815 (2013.01);
Abstract

Methods and devices for providing unclonable chip identification are provided. An integrated circuit device includes: a first transistor having a first gate oxide thickness; a second transistor having a second gate oxide thickness different than the first gate oxide thickness; and a reading circuit connected to the first transistor and the second transistor, wherein the reading circuit reads a difference in threshold voltage between the first transistor and the second transistor.

Find Patent Forward Citations

Ioannou, Dimitris. (2017). Cmos device with reading circuit (U.S. Patent No. 9640228). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9640228

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

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