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发明名称
DOUBLE REFRACTIVE DIFFRACTION GRATING TYPE POLARIZER
摘要
申请公布号
JPH0627320(A)
申请公布日期
1994.02.04
申请号
JP19920183268
申请日期
1992.07.10
申请人
NEC CORP
发明人
KATAYAMA RYUICHI
分类号
G02B5/18;G02B5/30;(IPC1-7):G02B5/30
主分类号
G02B5/18
代理机构
代理人
主权项
地址
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