Optoelectronic element module

Details Optoelectronic element module Optoelectronic element module

1998-02-06

1999-07-20

Doerrler, William

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

165 81, 165185, 257719, F25B 2102, F28F 700, H01L 2334

Patent

active

059242906

ABSTRACT:
An optoelectronic element module is provided, which has improved reliability in cooling performance. This module is comprised of an optoelectronic element, a Peltier unit for cooling the optoelectronic element, and a package encapsulating the optoelectronic element and the Peltier unit. The optoelectronic element is mounted directly on or indirectly through a supporting member on a first surface of the Peltier unit. A second surface of the Peltier unit is engaged with a mounting surface of the package by an engaging structure while allowing the Peltier unit to shift along the mounting surface of the package. A thermal stress caused by a difference between thermal expansion coefficients of the second surface of the Peltier unit and the mounting surface of the package is relaxed by a positional shift of the Peltier unit along the mounting surface of the package with respect to the package. Preferably, the engaging structure produces a magnetic-field force or elastic force for engagement.

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