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:
Jun. 13, 2006
Filed:
Nov. 17, 2003
Applicants:
Hiroyuki Yoshimura, Tokyo, JP;
Kiminori Sato, Nagano, JP;
Inventors:
Hiroyuki Yoshimura, Tokyo, JP;
Kiminori Sato, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
To enable alignment of a magnetic pattern of a pair of master disks and a magnetic recording medium, each of the master disks has at least a pair of alignment marks disposed outside the region of the magnetic pattern. The master disks can be optically transparent or semi-transparent. The master disks can be aligned while the alignment marks are externally observed.
Yoshimura, Hiroyuki. (2006). Master disk device for transferring magnetic patterns to both sides of a magnetic recording medium, and alignment device therefor and alignment method thereof (U.S. Patent No. 7061702). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7061702
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile