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:
Sep. 19, 2000
Filed:
Apr. 02, 1997
Applicant:
Inventor:
Kazuyuki Usuki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427131 ; 427130 ; 427132 ;
Abstract
A magnetic recording medium is disclosed, comprising a nonmagnetic support having a magnetic layer comprising a ferromagnetic metal thin film formed on at least one side surface of the nonmagnetic support, and an undercoating layer, wherein the undercoating layer is formed between the nonmagnetic support and the magnetic layer; and the undercoating layer comprises a silica film or metal oxide film comprising heat-resistant fine particles. A process for producing the magnetic recording medium is also disclosed.