| 发明名称 |
POLYIMIDE LIGHT GUIDE AND POLYIMIDE FILTER TYPE MULTIPLEXER/DEMULTIPLEXER USING THE SAME |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyimide light guide having a very small light guide loss in the near IR band and a polyimide filter type multiplexer/demultiplexer using the light guide. SOLUTION: A specified polyimide containing no C-H bond in each molecule and typified by a fluorinated polyimide is used as a light guide material. COPYRIGHT: (C)2003,JPO |
| 申请公布号 |
JP2003215364(A) |
申请公布日期 |
2003.07.30 |
| 申请号 |
JP20020014719 |
申请日期 |
2002.01.23 |
| 申请人 |
NTT ADVANCED TECHNOLOGY CORP |
发明人 |
KOBAYASHI JUNYA;KAWAKAMI NAOMI;YAMADA NORIYOSHI;KAGEI EMIKO;YAMAMOTO FUMIO;KUDO AYAKO;MATSUURA TORU |
| 分类号 |
G02B6/12;C08G73/10;(IPC1-7):G02B6/12 |
主分类号 |
G02B6/12 |
| 代理机构 |
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