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:
Sep. 21, 2004
Filed:
Jan. 22, 2002
Applicant:
Inventors:
Hisashi Tsubata, Kanagawa-ken, JP;
Makoto Nagao, Kanagawa-ken, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/00 ; G11B 5/66 ; G11B 5/86 ; G11B 2/102 ;
U.S. Cl.
CPC ...
B32B 9/00 ; G11B 5/66 ; G11B 5/86 ; G11B 2/102 ;
Abstract
In the performance of a magnetic transfer utilizing a magnetic transfer master medium, the occurrence of signal omissions in the magnetic data transferred to the slave medium is prevented. By forming the protrusion portions of the uneven pattern formed on the surface of the master medium so that the width thereof in the direction of the track pitch is narrower than said track width, no depression portions that are surrounded on all four sides by protrusion portions are formed.
Quick Actions:
Tsubata, Hisashi. (2004). Magnetic transfer master medium (U.S. Patent No. 6794062). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6794062
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile