High buffer gas pressure ceramic arc tube and method and...

Details High buffer gas pressure ceramic arc tube and method and... High buffer gas pressure ceramic arc tube and method and...

H - Electricity

01

J

H01J 61/30 (2006.01) H01J 9/24 (2006.01) H01J 9/26 (2006.01) H01J 61/16 (2006.01) H01J 61/36 (2006.01)

Patent

CA 2404859

A ceramic arc tube for high intensity discharge (HID) lighting applications is provided wherein the arc tube contains a high buffer gas pressure. A method and apparatus for making the arc tube are also provided wherein RF induction heating (62, 63) is used to melt a frit material to form a hermetic seal.

L'invention concerne un tube à arc en céramique pour des applications d'éclairage à décharge de forte intensité (HID). Ledit tube renferme une pression élevée de gaz tampon. L'invention concerne également un procédé et un appareil permettant de fabriquer ledit tube, le chauffage par induction RF (62, 63) servant à fondre un matériau fritté pour former un joint hermétique.

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