公开(公告)号：US08637825B2

公开(公告)日：2014-01-28

申请号：US13574981

申请日：2011-01-12

申请人： Nobuhiro Yasui ,  Yoshihiro Ohashi ,  Toru Den ,  Ryoko Horie

发明人： Nobuhiro Yasui ,  Yoshihiro Ohashi ,  Toru Den ,  Ryoko Horie

IPC分类号： G01T1/10

摘要： In a scintillator used for radiation detection, such as an X-ray CT scanner, a scintillation crystal body having a unidirectional phase separation structure is provided which has a light guide function for crosstalk prevention without using partitions. The phase separation structure includes a first crystal phase and a second crystal phase having a refractive index larger than that of the first crystal phase and which have a first principal surface and a second principal surface, these principal surfaces being not located on the same plane, the first principal surface and the second principal surface have portions to which the second crystal phase is exposed, and a portion of the second crystal phase exposed to the first principal surface and a portion of the second crystal phase exposed to the second principal surface are connected to each other.

公开(公告)号：US20130341512A1

公开(公告)日：2013-12-26

申请号：US14005154

申请日：2012-03-22

申请人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

发明人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

IPC分类号： C09K11/61 ,  G01T1/202

CPC分类号： C09K11/616 ,  C09K11/615 ,  G01T1/20 ,  G01T1/202 ,  G21K4/00 ,  Y10T428/24273 ,  Y10T428/249921

摘要： A porous scintillator crystal capable of suppressing scattering of light that represents a high spatial resolution is provided. The porous scintillator crystal comprises a porous structure including voids, wherein the porous structure is a phase-separated structure having voids formed therein and comprises materials constituting a eutectic composition of the phase-separated structure and at least one void in the porous structure extend in a direction perpendicular to a principal plane of the porous scintillator crystal.

摘要翻译： 提供能够抑制表示高空间分辨率的光的散射的多孔闪烁体晶体。 多孔闪烁体晶体包括多孔结构，其包括空隙，其中多孔结构是在其中形成空隙的相分离结构，并且包括构成相分离结构的共晶组成的材料，并且多孔结构中的至少一个空隙在 方向垂直于多孔闪烁体晶体的主平面。

公开(公告)号：US20130026374A1

公开(公告)日：2013-01-31

申请号：US13552074

申请日：2012-07-18

申请人： Tatsuya Saito ,  Tatsuya Iwasaki ,  Nobuhiro Yasui ,  Toru Den

发明人： Tatsuya Saito ,  Tatsuya Iwasaki ,  Nobuhiro Yasui ,  Toru Den

IPC分类号： G01T1/202

CPC分类号： G01T1/202 ,  G01T1/2008 ,  G21K4/00 ,  G21K2004/04 ,  G21K2004/06

摘要： Provided is a radiation detector, including: a two-dimensional light receiving element including a plurality of pixels; and a scintillator layer having multiple scintillator crystals two-dimensionally arranged on a light receiving surface of the two-dimensional light receiving element, in which: the scintillator crystal includes two crystal phases, which are a first crystal phase including a material including a plurality of columnar crystals extending in a direction perpendicular to the light receiving surface of the two-dimensional light receiving element and having a refractive index n1, and a second crystal phase including a material existing between the plurality of columnar crystals and having a refractive index n2; and a material having a refractive index n3 is placed between adjacent scintillator crystals, the refractive index n3 satisfying a relationship of one of n1≦n3≦n2 and n2≦n3≦n1.

摘要翻译： 提供一种辐射检测器，包括：包括多个像素的二维光接收元件; 以及具有二维配置在二维光接收元件的受光面上的多个闪烁器晶体的闪烁器层，其中：所述闪烁体晶体包括两个晶相，所述晶体相是包括包含多个 柱状晶体在垂直于二维光接收元件的光接收表面的方向上延伸并具有折射率n1，第二晶相包括存在于多个柱状晶体之间并具有折射率n2的材料; 折射率n3的材料被放置在相邻的闪烁体晶体之间，折射率n3满足n1和n1E之间的关系; n3和n1E; n2和n2和n1E之间的关系; n3和n1E; n1。

公开(公告)号：US20130022169A1

公开(公告)日：2013-01-24

申请号：US13544096

申请日：2012-07-09

申请人： Tatsuya Iwasaki ,  Nobuhiro Yasui ,  Toru Den

发明人： Tatsuya Iwasaki ,  Nobuhiro Yasui ,  Toru Den

IPC分类号： G01T1/20 ,  G01N23/04 ,  B82Y15/00

CPC分类号： G01T1/202

摘要： Provided is a radiation detecting device, including: a scintillator which emits light when radiation is irradiated thereto; and a photosensor array having light receiving elements for receiving the emitted light which are two-dimensionally arranged, in which: the scintillator has a phase separation structure for propagating the light emitted inside the scintillator in a light propagating direction, the phase separation structure being formed by embedding multiple columnar portions formed of a first material in a second material; the radiation is irradiated to the scintillator from a direction which is not in parallel to the light propagating direction; and the light emitted inside the scintillator is propagated through the scintillator in the light propagating direction and is received by the photosensor array which is placed so as to face an end face of the scintillator.

摘要翻译： 本发明提供一种放射线检测装置，其特征在于，包括：闪光体，其在对其照射时发光; 以及具有用于接收二维布置的发射光的光接收元件的光传感器阵列，其中：闪烁体具有用于在光传播方向上传播闪烁体内的光的相分离结构，形成相分离结构 通过在第二材料中嵌入由第一材料形成的多个柱状部分; 辐射从不与光传播方向平行的方向照射到闪烁体; 并且在闪烁体内发射的光在光传播方向上传播通过闪烁体，并被放置成面对闪烁体的端面的光电传感器阵列接收。

公开(公告)号：US08340243B2

公开(公告)日：2012-12-25

申请号：US13190770

申请日：2011-07-26

申请人： Chidane Ouchi ,  Kentaro Nagai ,  Toru Den ,  Hidenosuke Itoh

发明人： Chidane Ouchi ,  Kentaro Nagai ,  Toru Den ,  Hidenosuke Itoh

IPC分类号： G03H5/00

CPC分类号： G06T7/0002 ,  A61B6/4291 ,  A61B6/484 ,  G01J9/02 ,  G01N23/04 ,  G01N23/20075 ,  G01N2223/401 ,  G21K1/06 ,  G21K2201/06 ,  G21K2201/067

摘要： An X-ray imaging apparatus includes a phase grating, an absorption grating, a detector, and an arithmetic unit. The arithmetic unit executes a Fourier transform step of performing Fourier transform for an intensity distribution of a Moiré acquired by the detector, and acquiring a spatial frequency spectrum. Also, the arithmetic unit executes a phase retrieval step of separating a spectrum corresponding to a carrier frequency from a spatial frequency spectrum acquired in the Fourier transform step, performing inverse Fourier transform for the separated spectrum, and acquiring a differential phase image.

摘要翻译： X射线成像装置包括相位光栅，吸收光栅，检测器和运算单元。 算术单元执行对由检测器获取的莫尔的强度分布执行傅里叶变换并获取空间频谱的傅里叶变换步骤。 此外，运算单元执行相位检索步骤，从傅里叶变换步骤中获取的空间频谱中分离出与载波频率对应的频谱，对分离的频谱进行傅里叶逆变换，获取差分相位图像。

公开(公告)号：US20120161074A1

公开(公告)日：2012-06-28

申请号：US13393133

申请日：2010-08-31

申请人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

发明人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

IPC分类号： C09K11/62

CPC分类号： C09K11/628

摘要： A scintillator material contains a compound represented by a general formula [Cs1-zRbz][I1-x-yBrxCly]:In. In the general formula, x, y, and z satisfy any one of conditions (1), (2), and (3) below. (1) When 0

摘要翻译： 闪烁体材料含有由通式[Cs1-zRbz] [I1-x-yBrxCly]表示的化合物：In。 在通式中，x，y和z满足以下条件（1），（2）和（3）中的任何一个。 （1）当0

公开(公告)号：US20110280368A1

公开(公告)日：2011-11-17

申请号：US13190770

申请日：2011-07-26

申请人： Chidane Ouchi ,  Kentaro Nagai ,  Toru Den ,  Hidenosuke Itoh

发明人： Chidane Ouchi ,  Kentaro Nagai ,  Toru Den ,  Hidenosuke Itoh

IPC分类号： G03H5/00

CPC分类号： G06T7/0002 ,  A61B6/4291 ,  A61B6/484 ,  G01J9/02 ,  G01N23/04 ,  G01N23/20075 ,  G01N2223/401 ,  G21K1/06 ,  G21K2201/06 ,  G21K2201/067

摘要： An X-ray imaging apparatus includes a phase grating, an absorption grating, a detector, and an arithmetic unit. The arithmetic unit executes a Fourier transform step of performing Fourier transform for an intensity distribution of a Moiré acquired by the detector, and acquiring a spatial frequency spectrum. Also, the arithmetic unit executes a phase retrieval step of separating a spectrum corresponding to a carrier frequency from a spatial frequency spectrum acquired in the Fourier transform step, performing inverse Fourier transform for the separated spectrum, and acquiring a differential phase image.

摘要翻译： X射线成像装置包括相位光栅，吸收光栅，检测器和运算单元。 算术单元执行对由检测器获取的莫尔的强度分布执行傅里叶变换并获取空间频谱的傅里叶变换步骤。 此外，运算单元执行相位检索步骤，从傅里叶变换步骤中获取的空间频谱中分离出与载波频率对应的频谱，对分离的频谱进行傅里叶逆变换，获取差分相位图像。

公开(公告)号：US20110223323A1

公开(公告)日：2011-09-15

申请号：US13027467

申请日：2011-02-15

申请人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

发明人： Yoshihiro Ohashi ,  Nobuhiro Yasui ,  Toru Den

IPC分类号： B05D5/06

CPC分类号： G21K4/00 ,  C09K11/628

摘要： A process for producing a scintillator including the steps of producing a CsI columnar film formed of columnar CsI crystals by a deposition method, and adding an emission center to the CsI columnar film by disposing the CsI columnar film and an emission center material in a non-contact state in a closed space, heating the CsI columnar film in the range of not less than a sublimation temperature or evaporation temperature of the emission center material and not more than a temperature at which a columnar shape of the CsI columnar film can be maintained, and heating the emission center material at a temperature of not less than a sublimation temperature or evaporation temperature thereof.

摘要翻译： 一种制造闪烁体的方法，包括以下步骤：通过沉积方法制备由柱状CsI晶体形成的CsI柱状膜，并且通过将CsI柱状膜和发射中心材料设置在非磁性层中，向CsI柱状膜添加发射中心， 在封闭空间中的接触状态，在不低于发光中心材料的升华温度或蒸发温度的范围内加热CsI柱状膜，并且不超过可以保持CsI柱状膜的柱状形状的温度， 并在不低于其升华温度或蒸发温度的温度下加热发射中心材料。

公开(公告)号：US20110198228A1

公开(公告)日：2011-08-18

申请号：US13093792

申请日：2011-04-25

申请人： Tatsuya Saito ,  Toru Den

发明人： Tatsuya Saito ,  Toru Den

IPC分类号： C25D5/02

CPC分类号： G11B23/00 ,  B82Y10/00 ,  G11B5/667 ,  G11B5/7325 ,  G11B5/74 ,  G11B5/743 ,  G11B5/746 ,  G11B5/82 ,  G11B5/855 ,  G11B5/858

摘要： The present invention provides a method of manufacturing a magnetic recording medium having high recording density. The magnetic recording medium manufacturing method of the present invention is directed to a manufacturing method including: disposing at least a silicon layer on a substrate; disposing an uneven structure including regularly arranged projections on the silicon layer; disposing magnetic material on the upper surfaces of the projections and within recessed parts of the uneven structure; and allowing the magnetic material disposed within each recessed part to be changed into silicon compound by heat treatment.

摘要翻译： 本发明提供一种具有高记录密度的磁记录介质的制造方法。 本发明的磁记录介质的制造方法涉及一种制造方法，其特征在于，包括：至少在基板上设置硅层; 在硅层上设置包括规则排列的突起的不均匀结构; 在突起的上表面和不平坦结构的凹部内设置磁性材料; 并且通过热处理使设置在每个凹部内的磁性材料变成硅化合物。

公开(公告)号：US07864307B2

公开(公告)日：2011-01-04

申请号：US12204445

申请日：2008-09-04

申请人： Kazuhiko Fukutani ,  Takao Nakajima ,  Yasufumi Asao ,  Toru Den

发明人： Kazuhiko Fukutani ,  Takao Nakajima ,  Yasufumi Asao ,  Toru Den

IPC分类号： G01N21/00

CPC分类号： A61B5/0073 ,  A61B5/0035 ,  A61B5/0095

摘要： A biological information imaging apparatus includes: a light source; an acoustic wave detector that detects an acoustic wave generated from a light absorption material in a living body that has absorbed a part of energy of light irradiated from the light source to the living body, and converts it into a first electric signal; a photodetector that detect optical intensity of a portion of the light irradiated from the light source to the living body and propagating in the living body, and converts it into a second electric signal; and a calculation unit that calculates optical property distribution information on the living body by making use of an analytical result of one of the first electric signal and the second electric signal for analysis of the other electric signal.

摘要翻译： 生物信息成像装置包括：光源; 声波检测器，其检测从吸收从光源照射到生物体的光的一部分能量的生物体中的光吸收材料产生的声波，并将其转换为第一电信号; 光检测器，其检测从光源照射到生物体并在生物体中传播的光的一部分的光强度，并将其转换为第二电信号; 以及计算单元，其通过利用第一电​​信号和第二电信号中的一个的分析结果来计算其他电信号的分析结果来计算生物体的光学性质分布信息。