发明名称 |
Optical branching device |
摘要 |
An optical branching device according to present invention comprises a cladding member, a first core member, a second core member, and a third core member. These core members are isolated each other, and the with of a edge face of the first core member is greater than total length of the widths of second and third core members terminals facing to the first core member and a gap between the second and third core members.
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申请公布号 |
US5627928(A) |
申请公布日期 |
1997.05.06 |
申请号 |
US19940333308 |
申请日期 |
1994.11.01 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
MATSUURA, YUJI;SASAOKA, EISUKE;KANAMORI, HIROO |
分类号 |
G02B6/12;G02B6/125;G02B6/28;(IPC1-7):G02B6/26 |
主分类号 |
G02B6/12 |
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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