Ion laser tube with a discharge tubule adopted for a high discharge current and a high laser output
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United States of America Patent
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Oct 28, 1997
Grant Date -
N/A
app pub date -
Apr 1, 1996
filing date -
Mar 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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