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:
Sep. 13, 2005
Filed:
Aug. 14, 2003
Soichi Oikawa, Chiba, JP;
Takashi Hikosaka, Tokyo, JP;
Hiroshi Sakai, Ichihara, JP;
Akira Sakawaki, Ichihara, JP;
Kenji Shimizu, Ichihara, JP;
Soichi Oikawa, Chiba, JP;
Takashi Hikosaka, Tokyo, JP;
Hiroshi Sakai, Ichihara, JP;
Akira Sakawaki, Ichihara, JP;
Kenji Shimizu, Ichihara, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A medium having at least a nonmagnetic substrate, soft magnetic backing layer, soft magnetic underlayer, and perpendicular magnetic recording layer, and An oxidized layer of the soft magnetic backing layer is also formed on the soft magnetic backing layer, and the soft magnetic underlayer has a three-layered structure including a first soft magnetic layer, interlayer, and second soft magnetic layer, a crystalline orientation control layer, e.g., an Ni orientation control layer is formed between the soft magnetic underlayer and the perpendicular magnetic recording layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile