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. 04, 1989

Filed:

Mar. 13, 1987
Applicant:
Inventors:

Kazunori Komatsu, Kanagawa, JP;

Hiroshi Chikamasa, Kanagawa, JP;

Tsunehiko Sato, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
427 48 ; 427130 ; 427131 ; 428336 ; 428694 ; 428900 ;
Abstract

A method of fabricating a magnetic tape in which a non-magnetic support is simultaneously coated with two coating solutions, with the upper layer having a dried thickness no thicker than that of the lower layer. While the layers remain wet, the layers are subjected to magnetic orientation and are then dried.


Find Patent Forward Citations

Loading…