| 摘要 |
In the optical waveguide board, simultaneously with pattern formation of mirror members at arbitrary positions on a clad layer 11, guiding patterns 14 having convex shapes are formed respectively at arbitrary positions on peripheral parts of mirror patterns 13, and the mirror patterns 13 are worked into tapered shapes. Next, in a state that a mask member 100 having through holes at desired positions, and the guiding patterns 14 are guided by mating, a metal film is formed on surfaces of slope parts 22 of the mirror patterns and the guiding patterns 14. Furthermore, in a state that the guiding patterns 14 and the photomask 16 are guided, wiring core patterns 20 are formed on the clad layer 11 adjacent to the mirror patterns 13.
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