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:
May. 21, 2013

Filed:

Mar. 19, 2009
Applicants:

Takeshi Watanabe, Nagano, JP;

Kunihiro Imai, Nagano, JP;

Akira Furuta, Nagano, JP;

Kazuo Nimura, Nagano, JP;

Hideki Kina, Nagano, JP;

Inventors:

Takeshi Watanabe, Nagano, JP;

Kunihiro Imai, Nagano, JP;

Akira Furuta, Nagano, JP;

Kazuo Nimura, Nagano, JP;

Hideki Kina, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic recording medium having high bonding capability between the surface lubricant and the diamond-like carbon (DLC) protective layer in the surface of the magnetic recording medium is disclosed. The lubricant is a fluorine-containing lubricant for magnetic recording media represented by the following formula (1), (2) or (3), wherein the substituents R, R, R, R, Rand Rin the terminal part of the lubricant each independently represent an organic group, and at least one of the substituents Rand R, at least one of the substituents Rand R, and at least one of the substituents Rand Reach have an isocyanate group: Also disclosed is a magnetic recording medium using the lubricant.


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