Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent
1985-05-17
1986-12-30
Levy, Stewart J.
Electric lamp and discharge devices
Cathode ray tube
Plural beam generating or control
313456, 445 36, 228124, 228159, H01J 2950
Patent
active
046331301
ABSTRACT:
The novel electron gun comprises, as in prior guns, a plurality of cathode assemblies and at least two spaced successive electrodes having aligned apertures therethrough for passage of a plurality of electron beams. The cathode assemblies and the electrodes are individually held in position from a common ceramic member. The ceramic member has a first major surface and an oppositely disposed second major surface with a metallized pattern formed on at least a portion of each major surface. The electrodes are attached to the first major surface, and the cathode assemblies are attached to the second major surface. Unlike prior guns, a first transition member is attached to the metallized pattern on the first major surface. At least one of the electrodes is attached to the first transition member.
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U.S. patent application Ser. No. 643,175, filed on Aug. 22, 1984, by H. E. McCandless et al. and entitled, "Multibeam Electron Gun Having a Cathode-Grid Subassembly and Method of Assembling Same", RCA 80,211, not enclosed.
U.S. patent application Ser. No. 643,314, filed on Aug. 22, 1984, by S. T. Villanyi and entitled, "Structure for and Method of Aligning Beam-Defining Apertures by Means of Alignment Apertures", RCA 80,130, not enclosed.
Coughlin Jr. Vincent J.
Irlbeck Dennis H.
Levy Stewart J.
RCA Corporation
Whitacre Eugene M.
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