| 摘要 |
PROBLEM TO BE SOLVED: To provide a small optical semiconductor element carrier especially suitable for mounting a surface emission or surface reception type optical semiconductor element with high accuracy while exhibiting excellent mass productivity and high frequency characteristics, and its mounting structure. SOLUTION: In the optical semiconductor element carrier M1 where the optical semiconductor element 21 is mounted on a base 10 of single crystal silicon, the base 10 is provided with a through hole 11 made by anisotropic etching penetrating the mounting face A1 and the back A2 of the optical semiconductor element 21, and a lens 12 disposed in the through hole 11.
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