| 摘要 |
PROBLEM TO BE SOLVED: To provide a light guiding body such as an optical sheet bus capable of efficiently transmitting light. SOLUTION: The optical sheet bus 10 has one optical fiber 20 combined on the front end thereof and three optical fibers combined on the back end thereof. Further on the front side and the back side of the optical sheet bus 10, such tapered parts 12, 13 such as to be gradually tapered as getting closer to the optical fiber 20 sides are disposed for every optical fiber 20. COPYRIGHT: (C)2006,JPO&NCIPI
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