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:
Oct. 05, 2010
Filed:
May. 30, 2007
Yasufumi Mori, Tokyo, JP;
Katsuhiko Azuma, Tokyo, JP;
Manabu Miura, Tokyo, JP;
Renesas Electronics Corporation, Kawasaki-Shi, Kanagawa, JP;
Abstract
The present invention relates to a semiconductor device, a unique ID of the semiconductor device and a method for verifying the unique ID. Thus, original data (bit string) having 127-bit length [] is inputted at step S. Then, it is determined whether the number of bits of '1' in the bit string [] inputted at the step Sis more than the half of the bits of the bit string (that is, not less than 64) or not at step S. When the number is not less than 64, the process proceeds to step S. At the step S, the bit string [] is inverted and an invert bit [] is set to '1'. Then, the process proceeds to step S. At the step S, the fuse corresponding to the bit string [] and the bit [] are cut by LT.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile