LASER DIODE MODULE AND ITS MANUFACTURE METHOD

摘要

The present invention is related to a laser diode module and a fabricating method therefor, which facilitate the fabrication and enable fabrication in a short time with a low cost and high long-range reliability. With a lens formed fiber (8) and a laser diode element (LD element) (3) aligned with each other, the front side edge portion of the ferule 4 near the LD element 3 are fixedly sandwiched on the both sides thereof by means of a ferule supporting part (6) to form a sandwiched portion (9). By a fulcrum at sandwiched portion (9), the rear side edge portion of the ferule (4) is displaced to re-align the lens formed fiber (8) with the LD element (3). On the both sides for sandwiching the rear edge side of the ferule (4), ferule fixing parts (10) guided by means of a guide portion (11) with a spacing interposed against the ferule (4) are disposed with a spacing within a range of approximately 0 to 5 mu m relative to a side surface of the ferule (4). After the ferule fixing parts (10) have been secured to the guide portion (11), the ferule 4 is fixedly YAG-welded to the ferule fixing parts (10). <IMAGE>