Flash lamp unit and flash radiation device

Details Flash lamp unit and flash radiation device Flash lamp unit and flash radiation device

2005-02-22

2005-02-22

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Pulsating or a.c. supply to the cathode or heater circuit

C315S049000, C315S046000, C315S106000, C313S639000, C313S641000, C313S637000

Reexamination Certificate

active

06858987

ABSTRACT:
The object of the present invention is to provide a flash lamp unit with a long service life which allows a high radiant efficiency to be obtained and a flash radiation device demonstrating excellent flash radiant performance despite a small size, and the flash lamp unit comprises a flash lamp having mercury sealed in a discharge container, wherein preheating means is provided for preheating the flash lamp, the quantity of contained mercury in the flash lamp is in the range of 0.2 to 55 mg/cm3, and the flash lamp is ignited under the specified conditions, andthe flash radiation device comprises the above-described flash lamp as a light source.

REFERENCES:
patent: 5051649 (1991-09-01), Waymouth
patent: 5134336 (1992-07-01), Chakrabarti et al.
patent: 6084351 (2000-07-01), Kai et al.
patent: 2001-68056 (2001-03-01), None

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