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.

Date of Patent:
Mar. 02, 2004

Filed:

Nov. 13, 2000
Applicant:
Inventors:

Seidikkurippu N. Piramanayagam, Singapore, SG;

Jian Ping Wang, Singapore, SG;

Assignee:

Data Storage Institute, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/00 ;
U.S. Cl.
CPC ...
H01F 1/00 ;
Abstract

A method of producing a magnetic recording medium comprising the steps of providing a substrate having a layer of a non-magnetic material that can be converted into a magnetic state by annealing, and then converting selected portions of the non-magnetic layer to a magnetic state by subjecting them to annealing by directing a focussed beam of radiation onto the substrate to form a patterned magnetic layer comprising an ordered array of magnetic regions separated by non-magnetic regions.


Find Patent Forward Citations

Piramanayagam, Seidikkurippu. (2004). Method of producing a magnetic recording medium (U.S. Patent No. 6699332). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6699332

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

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