Patent ID: 7427804

Claim:
An optoelectronic semiconductor device, comprising: a substrate having a first surface, a second surface opposite to the first surface, a plurality of first through-holes between the first and second surfaces, and a plurality of second through-holes between the first and second surfaces; a plurality of optoelectronic semiconductor elements mounted on the first surface, which input/output light signals through the first through-holes; a semiconductor integrated circuit mounted on the first surface; and a plurality of electrodes formed on the second surface, each corresponding to each of the second through-holes and being electronically connected to the semiconductor integrated circuit through the second through-holes, wherein the first through-holes are located on a peripheral region as a non-stressed area of the substrate, and the second through-holes are located in a central region as a stressed area of the substrate, the central region being an area where a stress is larger in value than a mean value of stresses caused in the substrate.