Compact discharge lamp for use in optical projection systems

Details Compact discharge lamp for use in optical projection systems Compact discharge lamp for use in optical projection systems

1990-03-08

1991-07-02

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313642, 313638, 313639, 313640, H01J 6118

Patent

active

050288431

ABSTRACT:
Disclosed herein is a lighting lamp having a light-emitting tube in which lutetium (Lu), lithium (Li) and a halogen are sealed together with mercury and a rare gas. The lighting lamp satisfies the following conditions (1) and (2):

REFERENCES:
patent: 3514659 (1970-05-01), Gungle et al.
patent: 3761758 (1973-09-01), Bamberg et al.
patent: 4686419 (1987-08-01), Block et al.
patent: 4801846 (1989-01-01), Kramer et al.

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