| 摘要 |
PROBLEM TO BE SOLVED: To provide a light guide that excels in heat resistance and durability as well as irradiation efficiency. SOLUTION: A core fiber group (1a) in an end (1b) and its proximate (length L) portion of the light guide is constricted in a rod shape by hot melt-sticking. COPYRIGHT: (C)2005,JPO&NCIPI
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