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:
Jul. 12, 2005

Filed:

Dec. 13, 2001
Applicants:

Tadashi Ishiguro, Kanagwa, JP;

Yutaka Kakuishi, Kanagwa, JP;

Satoru Hayakawa, Kanagwa, JP;

Minoru Sueki, Kanagwa, JP;

Inventors:

Tadashi Ishiguro, Kanagwa, JP;

Yutaka Kakuishi, Kanagwa, JP;

Satoru Hayakawa, Kanagwa, JP;

Minoru Sueki, Kanagwa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B005/733 ;
U.S. Cl.
CPC ...
Abstract

A cleaning medium for a magnetic recording apparatus is disclosed, comprising a nonmagnetic support having provided thereon a lower coating layer mainly containing a nonmagnetic inorganic powder and a binder, and a cleaning layer containing at least a ferromagnetic inorganic powder and a binder provided on the lower coating layer, wherein the thickness of the cleaning layer is from 0.05 to 1.0 μm, the thickness of the lower coating layer is from 0.2 to 5.0 μm, the thickness of the support is from 2.0 to 10 μm, and the thickness in total of the cleaning medium (cleaning tape) is from 4.0 to 15 μm.


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