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:
May. 22, 2001
Filed:
Mar. 04, 1998
Applicant:
Inventors:
Mitsuhisa Fujiki, Ikoma, JP;
Hiroshi Yoda, Hirakata, JP;
Tetsuya Okana, Katano, JP;
Masayuki Hino, Katano, JP;
Suekazu Kugioka, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/127 ; H04R 3/100 ;
U.S. Cl.
CPC ...
G11B 5/127 ; H04R 3/100 ;
Abstract
A method of manufacturing the front surface shape of plural magnetic heads precisely in batch in a desired dimension After fixing plural magnetic heads,and preliminarily processing curved surfaces along the sliding direction S on a rotary member,, the curved surfaces Ts along the thickness direction T orthogonal to the sliding direction S of the magnetic heads,are formed in batch by finish polishing process by means of abrasive tape or the like.