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:
Aug. 07, 2007
Filed:
Feb. 27, 2004
Futoshi Nakamura, Ichikawa, JP;
Takashi Hikosaka, Tokyo, JP;
Soichi Oikawa, Chiba, JP;
Takeshi Iwasaki, Funabashi, JP;
Tomoyuki Maeda, Funabashi, JP;
Hiroshi Sakai, Ichihara, JP;
Kenji Shimizu, Ichihara, JP;
Akira Sakawaki, Ichihara, JP;
Futoshi Nakamura, Ichikawa, JP;
Takashi Hikosaka, Tokyo, JP;
Soichi Oikawa, Chiba, JP;
Takeshi Iwasaki, Funabashi, JP;
Tomoyuki Maeda, 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
An orientation control layer having a granular structure is formed between a substrate and magnetic recording layer, contains a base material and grains dispersed in the base material, and having a thickness smaller than a grain size of the grains.