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:
Oct. 30, 2007
Filed:
Mar. 08, 2004
Tomoyuki Maeda, Funabashi, JP;
Takashi Hikosaka, Tokyo, JP;
Futoshi Nakamura, Ichikawa, JP;
Takeshi Iwasaki, Funabashi, JP;
Hiroshi Sakai, Ichihara, JP;
Kenji Shimizu, Ichihara, JP;
Akira Sakawaki, Ichihara, JP;
Tomoyuki Maeda, Funabashi, JP;
Takashi Hikosaka, Tokyo, JP;
Futoshi Nakamura, Ichikawa, JP;
Takeshi Iwasaki, Funabashi, JP;
Hiroshi Sakai, Ichihara, JP;
Kenji Shimizu, Ichihara, JP;
Akira Sakawaki, Ichihara, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
Disclosed is a magnetic recording medium which includes a substrate, an underlayer, and a perpendicular magnetic recording layer, and in which this perpendicular magnetic recording layer contains magnetic crystal grains and a matrix surrounding the magnetic crystal grains, and the matrix contains an element selected from Zn, Cd, Al, Ga, and In, and a component selected from P, As, Sb, S, Se, and Te.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile