| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enhance reliability of a compact optical waveguide structure having optical waveguides (curved waveguides) on a curved surface. <P>SOLUTION: The optical waveguide structure 8 includes a clad structure 1 having grooves 3 formed on the curved surface 2, waveguide cores 4 formed in the grooves 3, and a clad film 5 covering the waveguide cores 4, and a stress relieving layer 6 formed on a surface of the clad film 5. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
