Peltier cooler and semiconductor laser module using Peltier cool

Details Peltier cooler and semiconductor laser module using Peltier cool Peltier cooler and semiconductor laser module using Peltier cool

1997-08-12

1999-09-28

Bovernick, Rodney

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

372 34, G02B 642

Patent

active

059601426

ABSTRACT:
A Peltier cooler (12) according to the present invention has a structure in which a Peltier device (12c) is put between a low temperature side substrate part (12a) and a high temperature side substrate part (12b) both made of insulating material. A first metal frame (22a) and a second metal frame (22b) are solder-fixed to the edge portions of the insulating substrates, respectively. The first and second metal frames (22a) and (22b) can be fixed highly precisely and stably by means of laser welding. By so doing, no solder creep occurs on the semiconductor laser module, thereby ensuring the stable arrangement of the optical system for a long time.

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By S. Kaneko et al., "Small Size Array LD Module for Optical FDM Transmission Systems", Autumn Convention for the Electronics, Information and Communications Society, 1993.

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