| 摘要 |
<p>PURPOSE:To fix a light emitting device and a photodetector to the inside of a holder case without the increase of the size and cost of the holder case. CONSTITUTION:A pressing piece 8 which is made of synthetic resin and has contact parts which are pressed against both a light emitting device 4 and a photodetector 5 on its both ends is provided between the light emitting device 4 and the photodetector 5 and the approximately central part of the pressing piece 8 is thermally fused and bonded to the holder case by the horn of an ultrasonic thermofusion bonder.</p> |
