Electric lamp and discharge devices – Cathode ray tube – Screen
Patent
1996-12-30
2000-06-27
O'Shea, Sandra
Electric lamp and discharge devices
Cathode ray tube
Screen
313479, 313478, 313486, H01J 6304
Patent
active
060810696
ABSTRACT:
Disclosed is a phosphor suitable for use in a cathode-ray tube, a fluorescent lamp, a radiation intensifying screen, which comprises transparent spherical particles having an average particle size of 0.5 to 20 .mu.m and a ratio of the major diameter to the minor meter of individual particles in the range of 1.0 to 1.5, and ultrafine particles having a diameter of 0.2 .mu.m less in an amount of 5 wt % or less.
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Albessard Keiko
Itou Takeo
Matsuda Naotoshi
Okumura Miwa
Takahara Takeshi
Kabushiki Kaisha Toshiba
O'shea Sandra
Williams Joseph
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