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:
Dec. 06, 2011
Filed:
Nov. 07, 2008
Edgar D. Rothenberg, San Jose, CA (US);
Jr-yi Shen, Sunnyvale, CA (US);
Edgar D. Rothenberg, San Jose, CA (US);
Jr-Yi Shen, Sunnyvale, CA (US);
Hitachi Global Storage Technologies, Netherlands B.V., Amsterdam, NL;
Abstract
A flex cable for a head stack assembly of a hard disk drive comprises a base film, a first adhesive layer coupled with the base film, and at least one interrogation trace and at least one signal trace coupled with the first adhesive layer. The interrogation trace is configured to be probed to measure a deterioration of electrical conductivity. The flex cable has a second adhesive layer that is coupled with the interrogation trace, the signal trace, and the first adhesive layer. The flex cable comprises a cover film coupled with the second adhesive layer.