Discharge tubes

Details Discharge tubes Discharge tubes

1986-06-02

1988-12-27

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 56, 372 66, H01S 303

Patent

active

047946148

ABSTRACT:
A metal vapor discharge tube includes cylindrical dispenser blocks of sintered tungsten which are porous and support metal whose vapor is to form at least part of the active medium of the tube. Thus, the dispenser blocks retain the metal, holding it in position when in its solid and liquid states. Heat shields serve to retain heat within the envelope of the discharge tube and uniformly heat the cylinders.

REFERENCES:
patent: 3891941 (1975-06-01), Roberts et al.
patent: 3947781 (1976-03-01), Hernqvist
patent: 3988698 (1976-10-01), Crane et al.
patent: 4052680 (1977-10-01), Wang et al.
patent: 4203080 (1980-05-01), Wright et al.
patent: 4247830 (1981-01-01), Karras et al.
patent: 4395770 (1983-07-01), Silfvast
patent: 4559466 (1985-12-01), Donaldson et al.
patent: 4639926 (1987-01-01), Wang et al.
patent: 4644554 (1987-02-01), Sheng
patent: 4649547 (1987-03-01), Carlson et al.

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