Hollow cathode with integrated getter for discharge lamps...

Details Hollow cathode with integrated getter for discharge lamps... Hollow cathode with integrated getter for discharge lamps...

H - Electricity

01

J

H01J 61/09 (2006.01) H01J 7/18 (2006.01) H01J 9/02 (2006.01) H01J 9/20 (2006.01) H01J 61/26 (2006.01)

Patent

CA 2464517

A hollow cathode (20; 30; 40) having at least a portion of the inner, outer or both surfaces coated with a layer of a getter material (21; 31; 41; 41') is described. Some methods for the production of the hollow cathode of the invention are also described.

L'invention concerne une cathode creuse (20 ; 30 ; 40) dotée d'au moins une portion de la surface interne ou externe, ou des deux surfaces revêtues d'une couche de matériau getter (21 ; 31 ; 41 ; 41'). L'invention se rapporte aussi à certains procédés de fabrication de la cathode creuse de l'invention.

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