Miniature rare gas discharge lamp electrode and method of...

Details Miniature rare gas discharge lamp electrode and method of... Miniature rare gas discharge lamp electrode and method of...

H - Electricity

01

J

H01J 61/04 (2006.01) H01J 9/02 (2006.01) H01J 61/09 (2006.01)

Patent

CA 2145624

A method of making a miniature neon lamp electrode having lead, can, and an emitter coating is disclosed. A needle with a quantity of emitter material is advanced into a sleeve. The needle is then spun at high speed to deposit the emitter material on the inside wall of the sleeve. The sleeve is then coaxially crimped to a lead, forming a narrow entrance hollow cathode having an even and specifically positioned emitter coating. The method of making a miniature neon lamp electrode yields a miniature neon lamp electrode capable of withstanding a long life, with many starts, while producing an accurately position arc.

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