发明授权
US5644193A Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying
screen
失效
荧光粉，阴极射线管，荧光灯和辐射增强屏
- 专利标题： Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen
- 专利标题（中）： 荧光粉，阴极射线管，荧光灯和辐射增强屏
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申请号： US356959申请日： 1994-12-16
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公开(公告)号： US5644193A公开(公告)日： 1997-07-01
- 发明人: Naotoshi Matsuda , Masaaki Tamatani , Keiko Albessard , Miwa Okumura , Takeshi Takahara , Takeo Itou
- 申请人： Naotoshi Matsuda , Masaaki Tamatani , Keiko Albessard , Miwa Okumura , Takeshi Takahara , Takeo Itou
- 申请人地址： JPX Kawasaki
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JPX Kawasaki
- 优先权： JPX5-343241 19931217; JPX6-223582 19940919; JPX6-223583 19940919; JPX6-270221 19941007
- 主分类号： C09K11/00
- IPC分类号： C09K11/00 ; C09K11/67 ; C09K11/77 ; G21K4/00 ; H01J29/20 ; H01J61/42 ; H01J61/44 ; H01J63/04
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 diameter of individual particles in the range of 1.0 to 1.5, and ultrafine particles having a diameter of 0.2 .mu.m or less in an amount of 5 wt % or less.
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