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经营范围
发明名称
BRANCHING LIGHT CIRCUIT
摘要
PURPOSE:To enable light to be branched and propagated with virtually no loss without leaking at the branching part by providing a step difference in refractive index in the branching part of optical guides.
申请公布号
JPS5395655(A)
申请公布日期
1978.08.22
申请号
JP19770009760
申请日期
1977.02.02
申请人
NIPPON TELEGRAPH & TELEPHONE
发明人
KUROKAWA TAKASHI;OIKAWA SHIGERU;TAKATO NORIO
分类号
G02B6/122;G02B6/28
主分类号
G02B6/122
代理机构
代理人
主权项
地址
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