Optical device/electronic circuit housing device and getter...

Details Optical device/electronic circuit housing device and getter... Optical device/electronic circuit housing device and getter...

H - Electricity

01

L

H01L 23/26 (2006.01)

Patent

CA 2303224

A getter housing (10) is formed of a sintered metallic fiber sheet (16) having pores that pass impurity gas but block getter (18) so as to use getter (18) to adsorb or absorb moisture and impurity gas, etc., in the container. Preferably, the sintered metallic fiber sheet (16) is of stainless steel, and the average diameter of the pores is less than 10 µm, for instance. A getter assembly comprising such a getter (18) and a getter housing (10) is accommodated in an optical device/electric circuit enclosure that encloses an electric circuit and an optical device including a semiconductor laser, for instance, used for an optical relay.

Cette enceinte à piégeur (10) est faite d'une feuille en fibres métalliques frittées (16) présentant des pores qui laissent passer les gaz d'impuretés, mais arrêtent le piégeur (18) de façon à utiliser le piégeur pour l'adsorption ou l'absorption de l'humidité et des gaz d'impureté, notamment, dans le récipient. De préférence, la feuille en fibres métalliques frittées (16) est faite d'acier inoxydable, le diamètre moyen des pores étant inférieur à 10 µm notamment. Un ensemble piégeur comprenant un tel piégeur (18) et une enceinte piégeur (10) est reçu dans un dispositif optique ou une enceinte de circuit électrique qui renferme un circuit électrique et un dispositif optique comprenant un laser à semi-conducteur tel que ceux que l'on utilise notamment dans le cas des relais optiques.

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