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发明名称
摘要
The optical transmission of a single tungstate crystal of the formula MWO4,wherein M represents at least one of Mg, Zn and Cd, is improved by heating at a temperature below the melting point of the crystal, in an oxygen-containing atmosphere.
申请公布号
JPS646160(B2)
申请公布日期
1989.02.02
申请号
JP19800175807
申请日期
1980.12.15
申请人
HITACHI CHEMICAL CO LTD
发明人
TAKAGI KAZUMASA;FUKAZAWA TOKUMI
分类号
G01T1/202;C01G41/00;C09K11/68;C30B29/32;C30B33/00;C30B33/02
主分类号
G01T1/202
代理机构
代理人
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