| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical waveguide and an optoelectric compound-wiring board, having excellent rigidity and flexibility of a specified part and little optical loss by providing a structure of an optical waveguide simply controlling thickness.SOLUTION: In this optical waveguide, a first clad layer 2, a core pattern 6 and a second clad layer 7 are stacked in order. The thickness of the second clad layer in the middle portion of the optical waveguide is larger than the thickness of the second clad layer at least at one end part of the optical waveguide. In this optoelectric compound wiring board, the optical waveguide is stacked on an electric wiring board. |
