发明公开
EP0926102A1 An oxide phosphorescent glass capable of exhibiting a long lasting afterglow and photostimulated luminescence
有权
Sauerstoff enthaltendes phosphoreszierendes Glas mit langhaltendem Nachleuchten und photostimulierbarer Lumineszenz
- 专利标题： An oxide phosphorescent glass capable of exhibiting a long lasting afterglow and photostimulated luminescence
- 专利标题（中）： Sauerstoff enthaltendes phosphoreszierendes Glas mit langhaltendem Nachleuchten und photostimulierbarer Lumineszenz
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申请号： EP98310348.2申请日： 1998-12-16
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公开(公告)号： EP0926102A1公开(公告)日： 1999-06-30
- 发明人: Yamazaki, Masaaki, C/o Sumita Optical Glass, Inc , Yamamoto, Yoshinori, C/o Sumita Optical Glass, Inc , Sawanobori, Naruhito, Sumita Optical Glass, Inc , Nagahama, Shinobu, C/o Sumita Optical Glass, Inc
- 申请人： SUMITA OPTICAL GLASS, INC.
- 申请人地址： 4-7-25, Harigaya Urawa-shi, Saitama-ken JP
- 专利权人： SUMITA OPTICAL GLASS, INC.
- 当前专利权人： SUMITA OPTICAL GLASS, INC.
- 当前专利权人地址： 4-7-25, Harigaya Urawa-shi, Saitama-ken JP
- 代理机构： Baverstock, Michael George Douglas
- 优先权： JP34636297 19971216; JP13151298 19980514
- 主分类号： C03C4/12
- IPC分类号： C03C4/12 ; C03C3/066 ; C03C3/068
摘要：
The present invention provides an oxide glass capable of exhibiting a long lasting afterglow and photostimulated phosphorescence, whereby energy can be accumulated by radiation excitation, for example, by Υ-rays, X-rays and/or UV-rays, and light emission can be continued for a time after the excitation has ceased. Furthermore, the long lasting afterglow and photostimulated luminescence oxide glass can be used not only as a phosphorescent material for nigh illumination or a night signal, but also as a material for confirming an infrared laser or controlling an optical axis, because it exhibits photostimulated luminescence by irradiation of infrared rays or visible rays. In addition, this glass is useful for recording or reproducing Υ-rays, X-rays or UV-rays images. The oxide glass has a constitutional composition comprising, at least, silicon (Si), boron (B), zinc (Zn) and oxygen (O), and further containing terbium (Tb) or manganese (Mn) as a phosphorescent agent.
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