发明名称 |
Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen |
摘要 |
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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申请公布号 |
US6081069(A) |
申请公布日期 |
2000.06.27 |
申请号 |
US19960774419 |
申请日期 |
1996.12.30 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
MATSUDA, NAOTOSHI;TAMATANI, MASAAKI;ALBESSARD, KEIKO;OKUMURA, MIWA;TAKAHARA, TAKESHI;ITOU, TAKEO |
分类号 |
C09K11/00;C09K11/67;C09K11/77;G21K4/00;H01J29/20;H01J61/42;H01J61/44;(IPC1-7):H01J63/04 |
主分类号 |
C09K11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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