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:
Mar. 24, 1987
Filed:
Nov. 19, 1985
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360128 ;
Abstract
A tape for cleaning magnetic head comprising a support and a cleaning layer coated on said support which contains an abrasive comprising a ferromagnetic metal powder of a specific surface area in the range of 40 to 65 m.sup.2 /g as a principal component, the surface of said cleaning layer having a surface of center line average height in the range of 0.02 to 0.04 .mu.m at a cut-off value of 0.08 mm.