发明名称 |
COMPLEX METAL OXIDE POWDER, YTTRIUM-ALUMINUM GARNET POWDER (VERSIONS), AND METHOD FOR PREPARING COMPLEX METAL OXIDE |
摘要 |
FIELD: inorganic compounds production. SUBSTANCE: complex metal oxide powder is provided having at least two metal elements and containing polyhedral particles, each having at least 6 planes and whose number-average particle size ranges from 0.1 to 500 mm and D<SB>90</SB>/D<SB>10</SB> ratio is equal to 10 or less (D<SB>10</SB> and D<SB>90</SB> are particle sizes at 10 and 90% accumulation, respectively going from smallest size on summary particle-size curve). Also provided is yttrium-aluminum garnet powder containing polyhedral particles, each having at least 6 planes and whose number-average particle size ranges from 20 to 500 mm. These complex metal oxides contain less agglomerated particles and are characterized by narrow size distribution and uniformly shaped particles. EFFECT: improved homogeneity. 46 cl, 3 tbl, 21 ex
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申请公布号 |
RU2137715(C1) |
申请公布日期 |
1999.09.20 |
申请号 |
RU19950109868 |
申请日期 |
1994.08.11 |
申请人 |
SUMITOMO KEMIKAL KOMPANI, LIMITED |
发明人 |
MASAKHIDE MOKHRI;KHIRONOBU KOJKE;TETSU UMEDA |
分类号 |
C01G49/00;C01B13/14;C01B13/18;C01B13/32;C01F17/00;C01G1/00;C01G23/047;C01G25/00;C01G25/02;C01G31/00;C01G37/00;C01G45/00;C04B35/626;C04B35/628;C08K3/22;C08K9/02;C30B29/22;C30B29/28;(IPC1-7):C01F17/00 |
主分类号 |
C01G49/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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