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.

Date of Patent:
Jun. 06, 2017

Filed:

Oct. 17, 2014
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Akira Watanabe, Kawasaki, JP;

Kaori Kimura, Yokohama, JP;

Takeshi Iwasaki, Inagi, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/84 (2006.01); G11B 5/73 (2006.01); G11B 5/733 (2006.01); G11B 5/855 (2006.01);
U.S. Cl.
CPC ...
G11B 5/84 (2013.01); G11B 5/733 (2013.01); G11B 5/7305 (2013.01); G11B 5/855 (2013.01);
Abstract

According to one embodiment, there is provided a magnetic recording medium manufacturing method including forming a bonding layer on a substrate, forming a holding layer containing silicon on the bonding layer, forming a single-particle layer on the holding layer using particles containing metal fusible on the bonding layer, etching SiOin the holding layer using an etching solution containing HF and HO, filling the holding layer with the particles until the particles are brought into contact with the bonding layer, bonding the particles and the bonding layer together by heating, and forming a magnetic recording layer on the single-particle layer.


Find Patent Forward Citations

Loading…