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:
Dec. 01, 2015
Filed:
Dec. 23, 2011
Kenichi Shiroki, Tokyo, JP;
Takashi Fukuhara, Tokyo, JP;
Kenji Narita, Tokyo, JP;
NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A Bi-substituted rare earth iron garnet single crystal has a composition of R3-xBixFe5-wAwO12 (wherein R denotes one or more rare earth elements among Tb, Y, Eu, Gd, Ho, Yb, Lu, Nd, Tm, La, Sm, Dy, Er, Ce, and Pr and inevitably include Tb; A denotes one or more elements among Ga, Al, In, Sc, Co, Ni, Cr, V, Ti, Si, Ge, Mg, Zn, Nb, Ta, Sn, Zr, Hf, Pt, Rh, Te, Os, Ce, and Lu, 0.7<x≦1.5, and 0<w≦1.5), contains Pt and does not contain Pb, and additionally contains Mn or at least one Group 2 element, wherein the coefficient α is set at a value within a numerical range of 0.91±0.05 and Δ (which means [M]−(α×[Pt])) is set from −7.23 atppm to 1.64 atppm.