SHORT ARC TYPE DISCHARGE LAMP

PURPOSE: A short arc discharge lamp is provided to improve a flicker lifetime by forming a localized gap at the junction portion of an emitter part and the main body part of a cathode. CONSTITUTION: A cathode(2) and an anode are arranged to be faced the inside of an arc tube. The cathode comprises a...

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Bibliographic Details
Main Authors ARIMOTO TOMOYOSHI, SHIMIZU AKIHIRO, IKEUCHI MITSURU
Format Patent
LanguageEnglish
Korean
Published 10.01.2012
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:PURPOSE: A short arc discharge lamp is provided to improve a flicker lifetime by forming a localized gap at the junction portion of an emitter part and the main body part of a cathode. CONSTITUTION: A cathode(2) and an anode are arranged to be faced the inside of an arc tube. The cathode comprises a main body part(3) and an emitter part. The main body part is made of tungsten. The emitter part(4) is made of thoriated tungsten which is extended to and joined with the main body part. A gap is locally formed at the junction portion of the main body part and the emitter part.
Bibliography:Application Number: KR20110051409