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:
Apr. 27, 2010
Filed:
Jan. 25, 2005
Cuong V. Pham, San Diego, CA (US);
David E. Chubin, Northridge, CA (US);
Aaron D. Kuan, Huntington Beach, CA (US);
Colleen L. Khalifa, Perris, CA (US);
Cuong V. Pham, San Diego, CA (US);
David E. Chubin, Northridge, CA (US);
Aaron D. Kuan, Huntington Beach, CA (US);
Colleen L. Khalifa, Perris, CA (US);
Teledyne Technologies Incorporated, Thousand Oaks, CA (US);
Abstract
A semiconductor chip includes a first integrated circuit chip and a depression substrate attached to the integrated circuit chip, wherein the integrated circuit chip and the depression substrate define a cavity therebetween. The semiconductor chip also includes a stress sensitive material located in the cavity and a chemical located in the cavity, wherein detection of tampering causes a reaction by the chemical such that the semiconductor chip is at least partially destroyed.