Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1998-02-02
2000-04-11
Day, Michael H.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
29620, 427101, 4271262, 4271265, B05D 512
Patent
active
060482443
ABSTRACT:
A method for providing a resistive focusing lens structure for an electron beam device including forming a suspension of particles of a mixture of, by weight, of about 33-50% of an oxidic conductive material including about 40-60% of a lead ruthenate, about 25-38% of a lead titanate and about 2-15% of a ruthenium oxide, and of about 50-67% of a glass including about 30-40% of silicon dioxide (SiO.sub.2), about 3-7.5% alumina (Al.sub.2 O.sub.3), and about 53-67% of lead oxide (PbO) in a suspending medium consisting essentially of a non-acidic liquid having a boiling point of less than 150.degree. C., applying the suspension to an inside surface of a glass member to thereby provide a coating of the particles on the inside surface, firing the coating at a temperature of 700-900.degree. C. and before of after firing the coating, patterning the coating. The present method provides highly reproducible resistive focusing lens structures.
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Cosman Edward C.
Montie Edwin A.
Osborne William N.
Prinsen Petrus J. M.
Day Michael H.
Philips Electronics N. A. Corporation
Spain Norman N.
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