Presentation 1995/10/23
A Novel Electron Gun Design For Projection TV Tubes
H.Y. Chen, C.W. Su,
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Abstract(in English) A novel electron gun with a superposition of the electrostatic focus region and the deflection region^<(1)> has been designed for projection TV tube. Compared to the conventional projection gun, the Deflection lens (DFL) gun has a better magnification factor, better spherical aberration coefficient and better control of the space charge effect. The DFL gun needs a unique dynamic off-axis correction lens region to compensate for the deflection defocusing. A series of computer modeling results shows that the DFL gun gives a 5^ (5% gaussian) beam spot size of 0.25 mm in a 9" 90° deflection angle tube with 30kv anode voltage.
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Paper # EID95-54
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Committee EID
Conference Date 1995/10/23(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
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Title (in English) A Novel Electron Gun Design For Projection TV Tubes
Sub Title (in English)
Keyword(1)
1st Author's Name H.Y. Chen
1st Author's Affiliation CRT R&D Division Chunghwa Picture Tubes Yangmei, Taiwan, ROC()
2nd Author's Name C.W. Su
2nd Author's Affiliation CRT R&D Division Chunghwa Picture Tubes Yangmei, Taiwan, ROC
Date 1995/10/23
Paper # EID95-54
Volume (vol) vol.95
Number (no) 335
Page pp.pp.-
#Pages 5
Date of Issue