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. 23, 2000
Filed:
Jan. 07, 1998
Applicant:
Inventors:
Kazuyoshi Honda, Osaka, JP;
Yoshiharu Maezawa, Shiga, JP;
Masaru Odagiri, Hyogo, JP;
Sadayuki Okazaki, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co. Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
2041921 ; 2041922 ; 20419232 ; 20429801 ; 20429807 ; 20429833 ; 427131 ; 427132 ; 427250 ;
Abstract
A method and a device for manufacturing a thin film by a vacuum deposition method, and a magnetic recording medium produced thereby are disclosed. A thin film of high quality is mass-produced while introducing reaction gas to a thin film forming section from a nozzle consisting of minute tubes, so that the flow of evaporated atoms is not disturbed by the reaction gas.