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:
Oct. 03, 1989
Filed:
Aug. 20, 1987
Applicant:
Inventor:
Takeshi Miyabayashi, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 531 ; 427130 ; 427132 ; 427287 ; 427438 ; 428694 ; 428900 ;
Abstract
Disclosed is a method of manufacturing a magnetic recording medium which comprises the steps of: forming a non-magnetic layer on a substrate by using a non-magnetic material which is magnetizable by heat to a predetermined temperature, and then locally heating the non-magnetic layer to magnetize the heated part to thereby form a magnetic layer thereat.
Miyabayashi, Takeshi. (1989). Method of manufacturing magnetic recording medium (U.S. Patent No. 4871582). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4871582
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