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公开(公告)号：US07531036B2
公开(公告)日：2009-05-12
申请号：US11374435
申请日：2006-03-14
CPC分类号： C30B29/34 , C30B31/08 , Y10S117/906
摘要： The present invention provides a single crystal heat treatment method, having a step of heating a single crystal of a cerium-doped silicate compound represented by any of general formulas (1) to (4) below in an oxygen-containing atmosphere Y2−(x+y)LnxCeySiO5 (1) (wherein Ln represents at least one elemental species selected from a group consisting of elements belonging to the rare earth elements, x represents a numerical value from 0 to 2, and y represents a numerical value greater than 0 but less than or equal to 0.2) Gd2−(z+w)LnzCewSiO5 (2) (wherein Ln represents at least one elemental species selected from a group consisting of elements belonging to the rare earth elements, z represents a numerical value greater than 0 but less than or equal to 2, and w represents a numerical value greater than 0 but less than or equal to 0.2) Gd2-(p+q)LnpCeqSiO5 (3) (wherein Ln represents at least one elemental species selected from a group consisting of Dy, Ho, Er, Tm, Yb, Lu, Y and Sc, which are rare earth elements having an ionic radius smaller than Tb, p represents a numerical value greater than 0 but less than or equal to 2, and q represents a numerical value greater than 0 but less than or equal to 0.2) Gd2−(r+s)LurCesSiO5 (4) (wherein r represents a numerical value greater than 0 but less than or equal to 2, and s represents a numerical value greater than 0 but less than or equal to 0.2).
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公开(公告)号：US20070292330A1
公开(公告)日：2007-12-20
申请号：US11723799
申请日：2007-03-22
IPC分类号： C01F17/00
摘要： The scintillator single crystal of the invention is a specific cerium-activated silicate single crystal wherein the total content of one or more elements selected from the group consisting of elements belonging to Groups 4, 5, 6 and Groups 14, 15, 16 of the Periodic Table is no greater than 0.002 wt % based on the total weight of the single crystal.
摘要翻译： 本发明的闪烁体单晶是特定的铈活化硅酸盐单晶，其中选自元素周期表第4,5,6族和第14,15,16族的元素中的一种或多种元素的总含量 相对于单晶的总重量，表不大于0.002重量％。
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公开(公告)号：US20070289525A1
公开(公告)日：2007-12-20
申请号：US11842227
申请日：2007-08-21
申请人： Kazuhisa Kurashige , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Tatsuya Usui , Shigenori Shimizu
发明人： Kazuhisa Kurashige , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Tatsuya Usui , Shigenori Shimizu
IPC分类号： C30B1/02
CPC分类号： C30B15/00 , C09K11/7774 , C30B29/22
摘要： The inorganic scintillator of the invention is an inorganic scintillator capable of producing scintillation by radiation, which is a crystal comprising a metal oxide containing Lu, Gd, Ce and Si and belonging to space group C2/c monoclinic crystals, and which satisfies the condition specified by the following inequality (1A), wherein ALu represents the number of Lu atoms in the crystal and AGd represents the number of Gd atoms in the crystal. {ALu/(ALu+AGd)}
摘要翻译： 本发明的无机闪烁体是能够通过辐射产生闪烁的无机闪烁体，其是包含含有Lu，Gd，Ce和Si的金属氧化物并且属于空间群C2 / c单斜晶体的晶体，并且满足规定的条件 通过以下不等式（1A），其中A Lu表示晶体中的Lu原子的数目，并且A <！ - SIPO
- >表示晶体中的Gd原子数。 <？in-line-formula description =“In-line Formulas”end =“lead”？> {A /（A /SUB>)}<0.50（1A）<？in-line-formula description =“In-line Formulas”end =“tail”？> -
公开(公告)号：US07282718B2
公开(公告)日：2007-10-16
申请号：US11220743
申请日：2005-09-08
申请人： Shigenori Shimizu , Kazuhisa Kurashige , Tatsuya Usui , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Kenzou Susa
发明人： Shigenori Shimizu , Kazuhisa Kurashige , Tatsuya Usui , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Kenzou Susa
IPC分类号： G01T1/20
CPC分类号： G21K4/00 , C09K11/7774
摘要： This invention provides an inorganic scintillator capable of producing scintillation by radiation, which is a crystal comprising metal oxides including Lu, Gd, Ce and Si, which satisfies the condition specified by the following inequality (1A): 0.0025≦{ACe/(ALu+AGd)}≦0.025, (1A) and which has an absorption coefficient of no greater than 0.500 cm−1 for light with a wavelength of 415 nm.
摘要翻译： 本发明提供一种能够通过辐射产生闪烁的无机闪烁体，其是包含包含Lu，Gd，Ce和Si的金属氧化物的晶体，其满足以下不等式（1A）所规定的条件：<？在线公式描述 =“在线公式”end =“lead”？> 0.0025 /（A <= 0.025，（1A）<？in-line-formula description =“In-line Formulas”end =“tail”？>，其吸收系数不大于0.500cm -1 对于波长为415nm的光。
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公开(公告)号：US20060266276A1
公开(公告)日：2006-11-30
申请号：US11374435
申请日：2006-03-14
CPC分类号： C30B29/34 , C30B31/08 , Y10S117/906
摘要： The present invention provides a single crystal heat treatment method, having a step of heating a single crystal of a cerium-doped silicate compound represented by any of general formulas (1) to (4) below in an oxygen-containing atmosphere Y2-(x+y)LnxCeySiO5 (1) (wherein Ln represents at least one elemental species selected from a group consisting of elements belonging to the rare earth elements, x represents a numerical value from 0 to 2, and y represents a numerical value greater than 0 but less than or equal to 0.2) Gd2-(z+w)LnzCewSiO5 (2) (wherein Ln represents at least one elemental species selected from a group consisting of elements belonging to the rare earth elements, z represents a numerical value greater than 0 but less than or equal to 2, and w represents a numerical value greater than 0 but less than or equal to 0.2) Gd2-(p+q)LnpCeqSiO5 (3) (wherein Ln represents at least one elemental species selected from a group consisting of Dy, Ho, Er, Tm, Yb, Lu, Y and Sc, which are rare earth elements having an ionic radius smaller than Tb, p represents a numerical value greater than 0 but less than or equal to 2, and q represents a numerical value greater than 0 but less than or equal to 0.2) Gd2-(r+s)LurCesSiO5 (4) (wherein r represents a numerical value greater than 0 but less than or equal to 2, and s represents a numerical value greater than 0 but less than or equal to 0.2).
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公开(公告)号：US07749323B2
公开(公告)日：2010-07-06
申请号：US11806257
申请日：2007-05-30
IPC分类号： C30B29/22
CPC分类号： C30B29/34 , C09K11/7774 , C30B15/00 , G21K4/00
摘要： A single crystal for a scintillator that is a specific single crystal of a cerium-activated orthosilicate compound that comprises 0.00005 to 0.1 wt. %, based on the entire weight of the single crystal, of at least one element selected from a group consisting of elements belonging to Group 13 of the periodic table.
摘要翻译： 用于闪烁体的单晶，其是铈活化的原硅酸盐化合物的特定单晶，其包含0.00005至0.1重量％ 基于单晶的全部重量，选自由元素周期表第13族的元素组成的组中的至少一种元素。
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7.发明申请公开(公告)号：US20080299027A1
公开(公告)日：2008-12-04
申请号：US12130179
申请日：2008-05-30
申请人： Yasushi KURATA , Naoaki SHIMURA , Tatsuya USUI
发明人： Yasushi KURATA , Naoaki SHIMURA , Tatsuya USUI
IPC分类号： C01F17/00
CPC分类号： C30B29/22 , C01F17/00 , C09K11/7774 , C30B15/00 , C30B33/02
摘要： The scintillator single crystal of the invention comprises a cerium-activated orthosilicate compound represented by the following general formula (1). The scintillator single crystal of the invention exhibits improved scintillation properties by reduced segregation between elements in the crystal ingot. Lm2−(x+y+z)LnxLuyCezSiO5 (1) (Wherein Lm represents at least one element selected from among Sc and Y and lanthanoid elements with lower atomic numbers than Lu, Ln represents at least one element selected from among Sc, Y, B, Al, Ga and In and lanthanoid elements with ion radii intermediate between Lm and Lu, x represents a value of greater than zero and no greater than 0.5, y represents a value of greater than 1 and less than 2, and z represents a value of greater than zero and no greater than 0.1.)
摘要翻译： 本发明的闪烁体单晶包含由以下通式（1）表示的铈活化的原硅酸盐化合物。 本发明的闪烁体单晶通过降低晶锭中的元素之间的偏析来显示改善的闪烁特性。 <？in-line-formula description =“In-line Formulas”end =“lead”？> Lm2-（x + y + z）LnxLuyCezSiO5（1）<？in-line-formula description =“In-line Formula （其中Lm表示选自Sc和Y中的至少一种元素，原子序数低于Lu的镧系元素，Ln表示选自Sc，Y，B，Al，Ga中的至少一种元素， In和镧系元素的离子半径介于Lm和Lu之间，x表示大于零且不大于0.5的值，y表示大于1且小于2的值，z表示大于零的值， 不大于0.1）
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公开(公告)号：US20070277726A1
公开(公告)日：2007-12-06
申请号：US11755787
申请日：2007-05-31
IPC分类号： C30B5/00
摘要： The present invention provides a method for heat treating a single crystal, comprising a step of heating a single crystal of a specific cerium-activated orthosilicate compound in an oxygen-containing atmosphere.
摘要翻译： 本发明提供了一种用于单晶热处理的方法，包括在含氧气氛中加热特定铈活化原硅酸盐化合物的单晶的步骤。
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公开(公告)号：US20060054831A1
公开(公告)日：2006-03-16
申请号：US11220743
申请日：2005-09-08
申请人： Shigenori Shimizu , Kazuhisa Kurashige , Tatsuya Usui , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Kenzou Susa
发明人： Shigenori Shimizu , Kazuhisa Kurashige , Tatsuya Usui , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Kenzou Susa
IPC分类号： G01T1/20
CPC分类号： G21K4/00 , C09K11/7774
摘要： This invention provides an inorganic scintillator capable of producing scintillation by radiation, which is a crystal comprising metal oxides including Lu, Gd, Ce and Si, which satisfies the condition specified by the following inequality (1A): 0.0025≦{ACe/(ALu+AGd)}≦0.025 (1A), and which has an absorption coefficient of no greater than 0.500 cm−1 for light with a wavelength of 415 nm.
摘要翻译： 本发明提供一种能够通过辐射产生闪烁的无机闪烁体，其是包含包含Lu，Gd，Ce和Si的金属氧化物的晶体，其满足以下不等式（1
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公开(公告)号：US20060000408A1
公开(公告)日：2006-01-05
申请号：US11154824
申请日：2005-06-17
申请人： Kazuhisa Kurashige , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Tatsuya Usui , Shigenori Shimizu
发明人： Kazuhisa Kurashige , Naoaki Shimura , Hiroyuki Ishibashi , Keiji Sumiya , Tatsuya Usui , Shigenori Shimizu
CPC分类号： C30B15/00 , C09K11/7774 , C30B29/22
摘要： The inorganic scintillator of the invention is an inorganic scintillator capable of producing scintillation by radiation, which is a crystal comprising a metal oxide containing Lu, Gd, Ce and Si and belonging to space group C2/c monoclinic crystals, and which satisfies the condition specified by the following inequality (1A), wherein ALu represents the number of Lu atoms in the crystal and AGd represents the number of Gd atoms in the crystal. {ALu/(ALu+AGd)}
摘要翻译： 本发明的无机闪烁体是能够通过辐射产生闪烁的无机闪烁体，其是包含含有Lu，Gd，Ce和Si的金属氧化物并且属于空间群C2 / c单斜晶体的晶体，并且满足规定的条件 通过以下不等式（1A），其中A Lu表示晶体中的Lu原子的数目，并且A <！ - SIPO
- >表示晶体中的Gd原子数。 <？in-line-formula description =“In-line Formulas”end =“lead”？> {A /（A /SUB>)}<0.50（1A）<？in-line-formula description =“In-line Formulas”end =“tail”？>
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