UV continuous spectrum lamp and its lighting device

Details UV continuous spectrum lamp and its lighting device UV continuous spectrum lamp and its lighting device

2007-05-16

2009-11-17

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

C315S051000, C315S334000, C315S358000, C313S574000, C313S631000, C313S634000

Reexamination Certificate

active

07619364

ABSTRACT:
To increase radiation intensity of deuterium lamp with continuous spectrum in UV region including vacuum UV in order to enable the lamp to illuminate wide area in high intensity. A pair of electrodes7and8is covered with dielectrics, placed outside of a UV transparent tubular discharge vessel1and plunged into the discharge vessel1. There is a shield box2with a separator3between the electrodes7and8in the discharge vessel1. Deuterium gas, hydrogen gas, mixture gas with deuterium, or mixture gas with hydrogen is enclosed in the discharge vessel1as discharge gas. A slit4is formed on the separator3along the axis of the discharge vessel1in order to squeeze the discharge path arising between the electrodes7and8. The slit4makes radiant points continuous and then the lamp length would not be limited. When sine wave in high voltage is applied between the electrodes7and8, dielectric-barrier discharge is caused. Continuous spectrum UV light can be obtained to illuminate the wide area in high radiation intensity.

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