Electrode for pulsed gas lasers
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United States of America Patent
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Jun 15, 1993
Grant Date -
N/A
app pub date -
Dec 4, 1990
filing date -
Apr 4, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The electrode consists of a metal carrier (1) and a surface layer (3), which has been deposited on the carrier and has a thickness of 0.1 to 20 .mu.m and consists of a material which differs from the carrier material and distinguishes from the carrier material by having a smaller work function and lower thermal and electrical conductivities and is selected from the group tungsten, niobium, tantalum, rhenium and chromium. The carrier (1) consists of a deeply drawable material. There is preferably also an interlayer (2) made of a highly conductive metal.
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