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 7670694 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 02, 2010

Filed:

Dec. 22, 2006
Applicants:

Jack Chang, Fremont, CA (US);

Mohammad Mirzamaani, San Jose, CA (US);

Kai Tang, San Jose, CA (US);

Inventors:

Jack Chang, Fremont, CA (US);

Mohammad Mirzamaani, San Jose, CA (US);

Kai Tang, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

Improvements to magnetic recording device including magnetic recording media are described. The improvements include the addition of copper to the recording layer as well as improved underlayers. In addition, improved manufacturing processes and magnetic/recording properties for media through heating and oxidation are described.


Find Patent Forward Citations

Chang, Jack. (2010). Media for recording devices (U.S. Patent No. 7670694). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7670694

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

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