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.:

US 8004781 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2011

Filed:

Dec. 15, 2008
Applicant:

Minoru Araki, Kanagawa, JP;

Inventor:

Minoru Araki, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/86 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic transfer apparatus and method includes air supply for supplying air into a space above a peripheral portion of a double-sided slave disc beyond a second master disc in an air-tight chamber formed when a first disc holder holding a first master disc and the slave disc in contact and a second disc holder holding the second master disc are brought into contact with each other so as to hold and sandwich the slave disc between the first and second master discs, the air supply being controlled to take place at least either during formation of the air-tight chamber or during opening the air-tight chamber.


Find Patent Forward Citations

Araki, Minoru. (2011). Magnetic transfer apparatus, magnetic transfer method and magnetic recording medium with magnetic information transferred thereto (U.S. Patent No. 8004781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8004781

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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