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:
Apr. 07, 1987
Filed:
Jun. 18, 1985
Applicant:
Inventors:
Kyuzo Nakamura, Yachimata, JP;
Yoshifumi Ota, Yachimata, JP;
Assignee:
Nikon Shinku Gijutsu Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
118718 ; 118 501 ; 118719 ; 118723 ; 118730 ;
Abstract
A method and apparatus for making an abrasion-resistant magnetic recording product comprising forming a magnetic film on the surface of a substrate in a vacuum container, and thereafter, vapor depositing a lubricant on the surface of the magnetic film in the same vacuum container. If necessary, the surface of the magnetic film can be oxidized in the same vacuum container, prior to vapor depositing the lubricant.