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发明名称
FORMATION OF COUPLING HOLE OF OPTICAL WAVEGUIDE AND DEVICE THEREOF
摘要
申请公布号
JPH05224080(A)
申请公布日期
1993.09.03
申请号
JP19920030496
申请日期
1992.02.18
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
NAKAGOME HIROSHI;IZAWA TATSUO
分类号
G02B6/24;G02B6/30
主分类号
G02B6/24
代理机构
代理人
主权项
地址
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