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Faraday rotator and its manufacturing method 发明授权

2023-09-19 3900 194K 0

专利信息

申请日期 2025-07-12 申请号 JP2009207612
公开(公告)号 JP5507934B2 公开(公告)日 2014-05-28
公开国别 JP 申请人省市代码 全国
申请人 Shin Etsu Chemical Co Ltd2060
简介 PROBLEM TO BE SOLVED : To provide a bismuth-substituted rare earth iron garnet crystal substantially free from lead, which is considered to be very harmful, excellent in crystal characteristics, and capable of growing a crucible without damaging the crucible. SOLUTION : The bismuth-substituted rare earth iron garnet crystal further includes an element to become a divalent cation in addition to a composition represented by the composition formula : Bi3-xRxFe5-y-zM1yM2zO12(R : one or more elements selected from lanthanoid metals (excluding Eu) and Y; M1 : one or more elements selected from Ga, Al, Sc, Si, Ti, Sn and Zr; M2 : one or more elements selected from V and Nb; and 0.5COPYRIGHT : (C)2011, JPO&INPIT


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