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:
Jul. 19, 2011
Filed:
Jul. 13, 2006
Yoshiaki Sonobe, Tokyo, JP;
Shinichi Ishibashi, Singapore, SG;
Masato Kobayashi, Tokyo, JP;
Teiichiro Umezawa, Tokyo, JP;
Yoshiaki Sonobe, Tokyo, JP;
Shinichi Ishibashi, Singapore, SG;
Masato Kobayashi, Tokyo, JP;
Teiichiro Umezawa, Tokyo, JP;
WD Media (Singapore) PTE LTD, Singapore, SG;
Abstract
A perpendicular magnetic recording mediumadapted to be mounted in a perpendicular magnetic recording type hard disk drive and including a disk-shaped disk base, a soft magnetic layerformed on the disk base, and a perpendicular magnetic recording layerformed on the soft magnetic layer, wherein, at respective portions of the soft magnetic layer, directional distribution of easy magnetization axes of magnetic particles included In each of the respective portions is isotropic with respect to respective directions in the main surface of the soft magnetic layer
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile