Invention Grant
- Patent Title: Rare earth activated alkaline earth metal fluorohalide stimulable phosphor and radiation image conversion panel employing the same
- Patent Title (中): 稀土活化碱土金属氟卤化物可激发荧光粉和采用其的辐射图像转换面板
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Application No.: US11817366Application Date: 2006-03-01
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Publication No.: US07655926B2Publication Date: 2010-02-02
- Inventor: Kiyoshi Hagiwara
- Applicant: Kiyoshi Hagiwara
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Medical & Graphic, Inc.
- Current Assignee: Konica Minolta Medical & Graphic, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Lucas & Mercanti, LLP
- Priority: JP2005-065058 20050309
- International Application: PCT/JP2006/303838 WO 20060301
- International Announcement: WO2006/095613 WO 20060914
- Main IPC: H05B33/00
- IPC: H05B33/00
Abstract:
Provided are a rare earth activated alkaline earth metal fluorohalide stimulable phosphor exhibiting high image quality of radiation images and reduction of luminance degradation, and a radiation image conversion panel employing the stimulable phosphor represented by Formula (1) Ba(1-x)M2(x)FBr(y)I(1-y):aM1, bLn, cO, wherein M1 is at least an alkali metal selected from the group consisting of Li, Na, K, Rb and Cs; M2 is at least an alkaline earth metal selected from the group consisting of Be, Mg, Sr and Ca; Ln is at least a rare earth element selected from the group consisting of Ce, Pr, Sm, Eu, Gd, Tb, Tm, Dy, Ho, Nd, Er and Yb; and x, y, a, b and c are values meeting the following conditions: 0≦x≦0.3, 0≦y≦0.9, 0≦a≦0.05 0
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