US Patent 7169334 Optical information recording medium

Patent 7169334 was granted and assigned to Hitachi on January, 2007 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7169334

Date of Patent

January 30, 2007

Patent Application Number

10670215

Date Filed

September 26, 2003

Patent Primary Examiner

‌

Randy Gulakowski

Patent abstract

A compound constructed by N (N is an integer of 2 or more) kinds of phases containing at least one kind of elements selected from a group consisting of Co, Ti, V, Cr, Mn, Fe, Ni, Si, Pb, Bi and Al. At least one kind to (N−1) kinds among the N kinds of phases are continuous phases, and the other phases are discontinuous phases.

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