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    • 2. 发明专利
    • Radiation image storage panel suitable for mammographic application provided with particular top-coat
    • 适用于特别提供特殊顶盖的MAMMOGRAPHIC应用的辐射图像存储面板
    • JP2007101540A
    • 2007-04-19
    • JP2006260525
    • 2006-09-26
    • Agfa Gevaert Nvアグファ・ゲヴェルト・ナームロゼ・ベンノートチャップAgfa−Gevaert Naamloze Vennootschap
    • LEBLANS PAULMANS ILSEVAN DEN BERGH RUDYTAHON JEAN-PIERREMEEUSEN MARTINE
    • G21K4/00A61B6/00C09K11/00C09K11/61
    • G21K4/00C09K11/7733
    • PROBLEM TO BE SOLVED: To provide a mammography screen being non-sensitive to a point defect or a scratch and having a top-coat causing screen structure noise to be lowered. SOLUTION: In a photostimulable storage phosphor screen or panel including a storage phosphor layer and an outermost top-coat layer on a support body, the top-coat layer has a roughness profile such that an average space S m is less than 150μm between peaks measured by means of a perthometer along profile peaks and troughs of a top-coat. S m is defined in terms of a lower crossing of an average line and an upper crossing of the continuing average line leading up to the next lower crossing over the periodical crossings of one roughness profile of the average line crossed by the profile peaks and troughs of the top-coat, and is calculated as an average distance of spaces between periodical crossings of the roughness profile. DQE rel is an index of the screen structure noise and its higher value corresponds to a lower screen structure noise. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种对点缺陷或划痕不敏感的乳房X线照相屏幕,并且具有引起屏幕结构噪声降低的顶涂层。 解决方案:在包含存储荧光体层和支撑体上的最外面涂层的可光激发储存荧光屏或面板中,顶涂层具有粗糙度轮廓,使得平均空间S < / SB>的峰值小于150μm,峰值通过表面涂层的轮廓峰和波谷测量。 S m 的定义是,平均线的平均线和上横穿的平均线和上横穿之间的平均线的平均线的交叉点与通过平均线交叉的一个粗糙度轮廓的周期性交叉点之间的下一个越过 通过顶涂层的轮廓峰和槽计算,并且被计算为粗糙轮廓的周期性交叉之间的平均距离距离。 DQE rel是屏幕结构噪声的指标,其较高的值对应于较低的屏幕结构噪声。 版权所有(C)2007,JPO&INPIT