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:
Feb. 09, 2010
Filed:
Jul. 19, 2005
Michikazu Horie, Kanagawa, JP;
Takashi Ohno, Kanagawa, JP;
Michikazu Horie, Kanagawa, JP;
Takashi Ohno, Kanagawa, JP;
Mitsubishi Kagaku Media Co., Ltd., Tokyo, JP;
Abstract
A phase-change recording material used for an information recording medium utilizing a crystalline state as a non-recorded state and an amorphous state as a recorded state, which has the composition of the following formula (1) as the main component:(SbSn)GeTeM1  formula (1)wherein each of x, y, z and w represents atomicity, x, z and w are numbers which satisfy 0.01≦x≦0.5, 0≦z≦0.3 and 0≦w≦0.1, respectively, and the element M1 is at least one element selected from the group consisting of In, Ga, Pt, Pd, Ag, rare earth elements, Se, N, O, C, Zn, Si, Al, Bi, Ta, W, Nb and V, and
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