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US07695562B2 Magnetic garnet single crystal and method for producing the same as well as optical element using the same 有权
磁石榴石单晶及其制造方法以及使用其的光学元件

  • Patent Title: Magnetic garnet single crystal and method for producing the same as well as optical element using the same
  • Patent Title (中): 磁石榴石单晶及其制造方法以及使用其的光学元件
  • Application No.: US11647431
    Application Date: 2006-12-29
  • Publication No.: US07695562B2
    Publication Date: 2010-04-13
  • Inventor: Atsushi Ohido
  • Applicant: Atsushi Ohido
  • Applicant Address: JP Tokyo
  • Assignee: TDK Corporation
  • Current Assignee: TDK Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Oliff & Berridge, PLC
  • Priority: JP2006-002380 20060110; JP2006-029339 20060207; JP2006-314086 20061121
  • Main IPC: C30B29/28
  • IPC: C30B29/28
Magnetic garnet single crystal and method for producing the same as well as optical element using the same
Abstract:
It is an object of the present invention to provide a magnetic garnet single crystal at a reduced Pb content, and a method for producing the same and an optical element using the same. The object is attained with a magnetic garnet single crystal represented by the chemical formula BiαNaβM13-α-βFe5-γM2γO12 (M1 is at least one element selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; and M2 is at least one element selected from Si, Ge and Ti, provided that 0.5
Abstract(Chinese):

本发明的目的是提供一种Pb含量降低的磁性石榴石单晶及其制造方法和使用其的光学元件。 该目的是用化学式BiαNa＆bgr; M13-α-＆bgr; Fe5-γM2γO12表示的磁性石榴石单晶（M1是选自Y，La，Ce，Pr，Nd，Sm，Eu，Gd中的至少一种元素 ，Tb，Dy，Ho，Er，Tm，Yb和Lu; M2是选自Si，Ge和Ti中的至少一种元素，条件是0.5 <α＆nlE; 2.0,0 -α-＆bgr; <2.5和0 <γ＆nlE; 1.6）。

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