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:
Jan. 11, 2011
Filed:
Jan. 10, 2008
Applicant:
Hiroyuki Machida, Ichihara, JP;
Inventor:
Hiroyuki Machida, Ichihara, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05H 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for forming a carbon protective film and a method for producing a magnetic recording medium, that decreases the generation of particles in a plasma CVD apparatus thereby improving flatness of the surface of a carbon protective film, and also can manufacture a magnetic recording medium having high recording density and excellent recording/reproducing characteristics; a magnetic recording medium; and a magnetic recording/reproducing apparatus using the magnetic recording medium.