OPTICAL ELEMENT INTEGRATED OPTICAL WAVEGUIDE AND PRODUCTION OF THE SAME
摘要
申请公布号
EP0230520(B1)
申请公布日期
1993.08.04
申请号
EP19860114271
申请日期
1986.10.15
申请人
SUMITOMO ELECTRIC INDUSTRIES LIMITED
发明人
UEMIYA, TAKAFUMI C/O OSAKA WORKS OF;SHIBATA, YUTAKA C/O OSAKA WORKS OF;NISHIMURA, AKIRA C/O OSAKA WORKS OF;NIWA, SHIN-ICHIRO C/O OSAKA WORKS OF;OSAWA, YOSHITAKA C/O OSAKA WORKS OF
