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. 13, 1986
Filed:
Feb. 25, 1982
Applicant:
Inventors:
Tatsuji Kitamoto, Odawara, JP;
Ryuji Shirahata, Odawara, JP;
Yasuyuki Yamada, Odawara, JP;
Goro Akashi, Odawara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428694 ; 427131 ; 427132 ; 427250 ; 427 44 ; 428900 ;
Abstract
A magnetic recording medium comprising a substrate, a thin magnetic metal film having spaced-apart columnar grains deposited on the substrate, and an organic polymer formed in the space between the columnar grains and integrated therewith. The medium is prepared by impregnating the spaces between the columnar grains with organic monomers or oligomers and polymerizing them in the spaces.