Coherent light generators – Particular active media – Gas
Patent
1996-04-01
1997-10-28
Scott, Jr., Leon
Coherent light generators
Particular active media
Gas
372 37, H01S 303
Patent
active
056823991
ABSTRACT:
A discharge tubule has improved first and second side portions made of a material having a higher resisitvity to the sputtering, for example, any of titanium carbide (TiC), beryllia (BeO) and boron carbide (B.sub.4 C), wherein the first and second side portions are exposed to a strong sputtering by a plasma gas generated by a large current discharge. The selected material of any of the titanium carbide (TiC), beryllia (BeO) and boron carbide (B.sub.4 C) makes the discharge tubule free from receiving any damage due to the strong sputtering by the plasma gas generated by the large current discharge and further free from any deformation thereof. This ensures that the ion laser tube has a long life time.
REFERENCES:
patent: 5235608 (1993-08-01), Konishi
patent: 5319664 (1994-06-01), Nishida
patent: 5325389 (1994-06-01), Nishida
patent: 5381432 (1995-01-01), Kasahara
Jr. Leon Scott
NEC Corporation
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