Header assembly having integrated cooling device

Details Header assembly having integrated cooling device Header assembly having integrated cooling device

H - Electricity

01

S

H01S 5/022 (2006.01) H01S 5/024 (2006.01) H02G 3/08 (2006.01) H05K 5/06 (2006.01) H05K 7/20 (2006.01)

Patent

CA 2476195

A header assembly (700) including a base (702) and a platform (800) extending through the base (702) and substantially perpendicular thereto. The platform (800) includes conductive pathways (806) that connect electrical components on either side of the base (702), and the conductive pathways cooperate to form a connector (900) at the first end of the platform (800). A laser (1002) is mounted on top of a thermoelectric cooler (900) that is directly joined to the second end of the platform (800).The laser (1002) and thermoelectric cooler (900) are enclosed in a hermetic chamber cooperatively defined by the base (702), the platform (800), and a cap that is joined to the base (702). A photodiode (1004) optically coupled with the laser (1002) and a thermistor thermally coupled with the laser (1002) cooperate with the thermoelectric cooler (900) and a control circuit to facilitate control of the performance of the laser (1002).

L'invention concerne un dispositif d'embase (700) comprenant une base (702) et une plate-forme (800) s'~tendant ~ travers la base (702) et sensiblement perpendiculaire ~ celle-ci. La plate-forme (800) comprend des passages conducteurs (806) connectant des composants ~lectriques sur un cÙt~ de la base (702), les passages conducteurs coop~rant pour former un connecteur (900) ~ la premi­re extr~mit~ de la plate-forme (800). Un laser (1002) est mont~ ~ la partie sup~rieure d'un refroidisseur thermo~lectrique (900) qui est directement reli~ ~ la seconde extr~mit~ de la plate-forme (800). Le laser (1002) et le refroidisseur thermo~lectrique (900) sont plac~s ~ l'int~rieur d'une chambre herm~tique d~limit~e par la base (702), la plate-forme (800) et une coiffe qui est reli~e ~ la base (702). Une photodiode (1004) est coupl~e optiquement au laser (1002), et un thermistor, coupl~ thermiquement au laser (1002), coop­re avec le refroidisseur thermo~lectrique (900) et un circuit de commande facilitant le contrÙle du rendement du laser (1002).

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