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发明名称
Methode zur Herstellung eines optischen Verzweigungs- und Kopplungselements.
摘要
申请公布号
DE68914349(D1)
申请公布日期
1994.05.11
申请号
DE19896014349
申请日期
1989.07.12
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD., OSAKA, JP
发明人
FUKUMA, MASUMI C/O YOKOHAMA WORKS, SAKAE-KU YOKOHAMA-SHI KANAGAWA, JP;SUZUKI, SHUZO C/O YOKOHAMA WORKS, SAKAE-KU YOKOHAMA-SHI KANAGAWA, JP
分类号
G02B6/28;G02B6/38;G02B6/44;(IPC1-7):G02B6/28
主分类号
G02B6/28
代理机构
代理人
主权项
地址
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