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:
Jun. 18, 1991
Filed:
Sep. 22, 1989
Applicant:
Inventors:
Assignee:
Nihon Shinku Gijutsu Kabushiki Kaisha, Chigasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
427 38 ; 2041922 ; 427128 ; 427129 ; 427132 ; 427250 ; 4272553 ; 427296 ;
Abstract
A perpendicular type magnetic recording member comprising a perpendicular-incidence magnetic film on a substrate, the perpendicular-incidence magnetic film comprising a magnetic metal and oxygen, the magnetic metal being selected from the group consisting of ferro-magnetic alloys, alloys thereof and combinations thereof; and a method of manufacturing the perpendicular type recording member by utilizing vapor deposition techniques, which may include sputtering and ionization.
Nakamura, Kyuzo. (1991). Method of manufacturing perpendicular type magnetic recording member (U.S. Patent No. 5024854). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5024854
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