发明名称 Opto-electric device
摘要 An optical integrated circuit for preventing unnecessary optical waves from outside or scattered in a waveguide. The optical integrated circuit has an substrate, a wave guide which has a core layer and at least a clad layer formed on the substrate, in which an optical wave is guided and transmitted, and a cover layer of which material has a high optical wave absorption ratio, which is formed on the waveguide partially or entirely.
申请公布号 US5719981(A) 申请公布日期 1998.02.17
申请号 US19940295429 申请日期 1994.08.25
申请人 RICOH COMPANY, LTD. 发明人 KATOH, IKUO;YOKOMORI, KIYOSHI
分类号 G02B6/12;G02B6/122;G02B6/42;(IPC1-7):G02B6/10 主分类号 G02B6/12
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