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:
Aug. 22, 1995
Filed:
Sep. 07, 1993
Applicant:
Inventors:
Naoki Kodama, Kamakura, JP;
Hiroyuki Suzuki, Odawara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
428 657 ; 4286 / ; 4286 / ; 4286 / ;
Abstract
A longitudinal magnetic recording medium with a good overwrite property and a small medium noise is identified by a CRP value, which is defined by