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:
Feb. 28, 2006
Filed:
Aug. 22, 2003
Applicant:
Hiroshi Osawa, Chiba, JP;
Inventor:
Hiroshi Osawa, Chiba, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/012 (2006.01); G11B 5/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium comprising a glass substrate having grooves on the surface thereof, an orientation-determining layer, a non-magnetic undercoat layer, a magnetic layer, and a protective film, the layers and film being successively formed on the substrate. The orientation-determining layer contains at least one element selected from the group consisting of Co, Ni, and Fe and at least one element selected from the group consisting of W, Mo, Ta, and Nb.
Osawa, Hiroshi. (2006). Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus (U.S. Patent No. 7006328). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7006328
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile