Development of a New Electron Gun for Color Picture Tubes

Conventional color picture tubes suffer the drawback of "blooming", i. e. reduction of the resolution at higher currents. It is well-known that such problem cannot be solved without considering the relation between the spot size and the spherical aberration of electron lenses.

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 1979-08, Vol.CE-25 (4), p.481-490
Main Authors: Washino, Shoichi, Ueyama, Yoshiji, Takenobu, Shinya
Format: Article
Language:English
Subjects:
Cathodes
Electron beams
Electron tubes
Extraterrestrial measurements
Lenses
Motion measurement
Phase measurement
Rough surfaces
Space charge
Thermal expansion
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Description
Summary:Conventional color picture tubes suffer the drawback of "blooming", i. e. reduction of the resolution at higher currents. It is well-known that such problem cannot be solved without considering the relation between the spot size and the spherical aberration of electron lenses.
ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.1979.273276