Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent
1997-06-06
1998-07-21
Ramsey, Kenneth J.
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
345 60, 445 50, 445 58, 313584, H01J 1749
Patent
active
057839069
ABSTRACT:
A refractory compound coating (188) for electrodes is sputter resistant, has a low work function so that it is a good emitter of secondary electrons, is very resistant to oxidation, and is easy to apply by way of electrophoresis. More specifically, cathode electrodes (162) are used in a plasma addressing structure (10). The coating is preferably formed by electrophoretic deposition of particles (184) of at least one refractory compound along with a frit. The coating is subsequently baked to fuse the frit and bond the electrophoretically deposited particles to the electrodes.
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Kephart Donald E.
Moore John S.
Stein William W.
Angello Paul S.
Ramsey Kenneth J.
Tektronix Inc.
Winkelman John D.
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