METAL HALIDE LAMP

PROBLEM TO BE SOLVED: To provide a metal halide lamp capable of having a light-emitting spectrum which is effective for a narrow wavelength range from 320 nm to 350 nm, and being suitably used for an ultraviolet irradiation treatment process, such as, photopolymerization reaction.SOLUTION: In the me...

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Main Authors NISHIDA SADAJI, NOGUCHI YUKIO, ONO MASAYUKI, UBUKATA KENJI, SHIKAMATA TOSHINORI, ORITO HIDEMI
Format Patent
LanguageEnglish
Published 20.10.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To provide a metal halide lamp capable of having a light-emitting spectrum which is effective for a narrow wavelength range from 320 nm to 350 nm, and being suitably used for an ultraviolet irradiation treatment process, such as, photopolymerization reaction.SOLUTION: In the metal halide lamp, metal mercury together with rare gas for maintaining discharge is enclosed in a lamp light-emitting tube, and silver halide is also enclosed in the lamp light-emitting tube. The light-emitting spectrum, resulting from silver with the wavelength range of 320-350 nm in particular among ultraviolet rays, becoming conspicuous by making the tube wall load S (W/cm) between electrodes of the light-emitting tube satisfy the condition: 25≤S≤32.
Bibliography:Application Number: JP20100077611