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:
Jul. 02, 2002
Filed:
Mar. 31, 2000
Applicant:
Inventors:
Kazushi Tanimoto, Tokyo, JP;
Shigeru Hoshina, Fuchu, JP;
Hiromi Sakata, Kawasaki, JP;
Hiroaki Yoda, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/147 ;
U.S. Cl.
CPC ...
G11B 5/147 ;
Abstract
In a magnetic head, at least its upper insulating layer is formed of a resin having a glass transition temperature of 70° C. to 100° C., a porous material, or polyimide, or the ABS is polished at a high temperature, so when the temperature increases, a deformation, which can reduce a decrease in floating height, an increase in the danger of crash, and an increase TA on the part of a magnetic disk apparatus, does not occur on the ABS side.