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    • 3. 发明授权
    • Radiation image recording and read-out apparatus
    • 辐射图像记录和读出装置
    • US4774409A
    • 1988-09-27
    • US787099
    • 1985-10-15
    • Takaaki YamamotoTerumi MatsudaKaoru TamuraNobuyoshi Nakajima
    • Takaaki YamamotoTerumi MatsudaKaoru TamuraNobuyoshi Nakajima
    • G01T1/29G03B42/02G03C5/16
    • G03B42/02G01T1/2012
    • In a radiation image recording and read-out apparatus, stimulable phosphor sheets are circulated along a predetermined circulation path through an image recording section for recording a radiation image of an object on the stimulable phosphor sheet by exposing the stimulable phosphor sheet to radiation through the object, an image read-out section including a stimulating ray source which is disposed in the circulation path and emits stimulating rays for scanning the stimulable phosphor sheet and a photoelectric converter which receives light emitted from the stimulable phosphor sheet to obtain an image signal and an erasing section for releasing residual radiation energy in the stimulable phosphor sheet before the stimulable phosphor sheet is returned to the image recording section. A cleaning sheet having thereon an adhesive material layer is transferred along the circulation path.
    • 在放射线图像记录和读出装置中,可刺激的荧光体片通过图像记录部分沿着预定的循环路径循环,该图像记录部分通过将可刺激的荧光体片暴露于穿过物体的辐射来记录被刺激的荧光体片上的物体的放射线图像 图像读出部,其包括设置在循环路径中并且发射用于扫描可刺激的荧光体片的刺激光线的刺激射线源;以及光电转换器,其接收从可刺激的荧光体片发射的光以获得图像信号和擦除 在可刺激的磷光体片返回到图像记录部分之前,释放可刺激的荧光体片中的剩余辐射能量的部分。 其上具有粘合剂层的清洁片沿循环路径传送。
    • 5. 发明授权
    • Cassette and erasure device for stimulable phosphor sheet
    • 用于可刺激荧光粉片的盒式和擦除装置
    • US4849630A
    • 1989-07-18
    • US183967
    • 1988-04-20
    • Nobutaka FukaiTsutomu KimuraTerumi Matsuda
    • Nobutaka FukaiTsutomu KimuraTerumi Matsuda
    • G03B42/02G03B42/04
    • G03B42/02G03B42/04
    • A cassette for erasing remnant radiation images on a stimulable phosphor sheet without the necessity of taking out the sheet includes a casing for accommodating the stimulable phosphor sheet and a cover pivotally mounted to the casing so as to be opened or closed. The cassette also includes a light reflecting member for reflecting or diffusing the light introduced from outside the cassette for irradiation on an image recording region of the sheet, or a light transmitting member for transmitting the light introduced from outside the cassette or the light from an inner light source, or a light emitting device mounted at least in register wiht the image recording area of the stimulable phosphor sheet contained in the cassette.An erasure device for a stimulable phosphor sheet employing the cassette is adapted to erase radiation energies stored in the sheet by irradiating the sheet with an erasure light, and includes a housing, a device provided in the housing for opening the cassette placed at a predetermined position within the housing and accommodating the stimulable phosphor sheet to be erased, and a light source device provided in the housing and adapted for irradiating the erasure light on the stimulable phosphor sheet within the cassette in the opened state. The arrangement is suitably applied to cases wherein the stimulable phosphor sheet is stored without being used for prolonged time, in which cases the sheet may be employed directly since the secondary erasure directly before usage of the sheet is not required.
    • 6. 发明授权
    • Phosphor and radiographic intensifying screen
    • 磷酸盐和放射性增强屏幕
    • US5077144A
    • 1991-12-31
    • US77985
    • 1987-07-27
    • Kenji TakahashiTerumi Matsuda
    • Kenji TakahashiTerumi Matsuda
    • C09K11/61C09K11/64C09K11/77G21K4/00
    • C09K11/7731C09K11/7729C09K11/7734G21K4/00
    • A divalent europium activated complex halide phosphor having the formula:Me.sup.II FX.multidot.aMe.sup.I X'.multidot.bMe'.sup.II X".sub.2 .multidot.cMe.sup.III X"'.sub.3 .multidot.dA:eEu.sup.2+in which Me.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; Me.sup.I is at least one alkali metal selected from the group consisting of Li, Na, K, Rb and Cs; Me'.sup.II is at least one divalent metal selected from the group consisting of Be and Mg; Me.sup.III is at least one trivalent metal selected from the group consisting of Al, Ga, In and Tl; A is a metal oxide; X is at least one halogen selected from the group consistingo of Cl, Br and I; each of X', X" and X"' is at least one halogen selected from the group consisting of F, Cl, Br and I; a, b and c are numbers satisfying the conditions of 0.ltoreq.a.ltoreq.10.sup.-2, 0.ltoreq.b.ltoreq.10.sup.-2, 0.ltoreq.c.ltoreq.10.sup.-2, and a+b+c.gtoreq.10.sup.-6 ; and d and e are numbers satisfying the conditions of 0.ltoreq.d.ltoreq.0.5 and 0.ltoreq.e.ltoreq.0.2, respectively. A radiographic intensifying screen containing said phosphor is also disclosed.
    • 具有下式的MeeFXxaMeIX'xbMe'IIX''2xcMeIIIX“3xdA:eEu2 +的二价铕活化复合卤化物荧光体,其中MeII是选自Ba,Sr和Ca中的至少一种碱土金属; MeI是选自Li,Na,K,Rb和Cs中的至少一种碱金属; Me'II是选自Be和Mg中的至少一种二价金属; MeIII是选自Al,Ga,In和Tl中的至少一种三价金属; A是金属氧化物; X是选自Cl,Br和I的至少一种卤素; X',X“和X”'中的每一个是选自由F,Cl,Br和I组成的组中的至少一种卤素; a,b和c是满足0≤a≤0.2,0≤b≤10-2,0≤c≤10-2的条件的数,a + b + c> / = 10-6; d和e分别满足0≤d≤0.5和0≤e≤0.2的条件的数字。 还公开了含有所述荧光体的射线照相增强屏。