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    • 61. 发明申请
    • SPECTRALLY RESOLVED DETECTION OF IONIZING RADIATION
    • 光谱辐射的光谱分辨检测
    • WO01075479A1
    • 2001-10-11
    • PCT/SE2001/000052
    • 2001-01-12
    • G01T1/18G01T20060101G01T1/185G01T1/36H01J47/02
    • G01T1/365
    • Spectrally resolved detection of ionizing radiation in a detector comprising a chamber (13) filled with an ionizable substance, a radiation entrance (33), an electron avalanche amplification means, and a read-out arrangement (29), comprises introducing a broadband radiation beam (1) into the chamber between and in parallel first and second electrode arrangements for ionization of the ionizable substance and avalanche amplifying said electrons. By means of the read-out arrangement (29) electron avalanches (SX1, SX2, ..., SXN), derivable mainly from ionization in sections (X1, X2, ..., XN) of the chamber that are separated in the direction of the introduced radiation beam, are separately detected. From spectrally resolved absorption data, weighting factors (W11, W21, ..., WM1, W12, W22, ..., WM2, ..., W1N, W2N, ..., WMN) for different spectral components (E1, E2, ..., EM) of the radiation (1) and for different sections (X1, X2, ..., XN) of the chamber are deduced, each of said weighting factors being substantially proportional to the photon flux ( phi 11, phi 21, ..., phi M1, phi 12, phi 22, ..., phi M2, ..., phi 1N, phi 2N, ..., phi MN) of the respective spectral component (E1, E2, ..., EM) in the respective section (X1, X2, ..., XN). Finally, by means of said detected electron avalanches (SX1, SX2, ..., SXN) and said weighting factors, the respective detected electron avalanches (SE1, SE2, ..., SEM) that are derivable from ionization by the respective spectral component of said broadband radiation are deduced.
    • 检测器中的电离辐射的光谱分辨检测器包括填充有可电离物质的腔室(13),辐射入口(33),电子雪崩放大装置和读出装置(29),包括引入宽带辐射束 (1)进入室内并且并联第一和第二电极装置,用于电离可电离物质和雪崩放大所述电子。 通过读取布置(29)电子雪崩(SX1,SX2,...,SXN)可以主要从室内分离的区域(X1,X2,...,XN)中分离出来 分别检测引入的辐射束的方向。 从频谱分辨的吸收数据中,对于不同的频谱分量(E1,...,E1)的加权因子(W11,W21,...,WM1,W12,W22,...,WM2,...,W1N,W2N,...,WMN) 推导出辐射(1)的不同部分(X1,X2,...,XN)的辐射(E2,...,EM),每个所述加权因子基本上与光子通量成比例 ,φ1,...,phi1M,phi12,phi22,...,phi2M,...,phi1N,phi2N,...,phi MN) ,...,EM)的各部分(X1,X2,...,XN)。 最后,通过所述检测到的电子雪崩(SX1,SX2,...,SXN)和所述加权因子,可以通过相应的光谱从电离衍生的各个检测到的电子雪崩(SE1,SE2,...,SEM) 推导出宽带辐射的分量。
    • 62. 发明申请
    • A METHOD FOR DETECTING IONIZING RADIATION, A RADIATION DETECTOR AND AN APPARATUS FOR USE IN PLANAR BEAM RADIOGRAPHY
    • 用于检测离子辐射的方法,辐射检测器和用于平面光束辐射的装置
    • WO00062094A1
    • 2000-10-19
    • PCT/SE2000/000624
    • 2000-03-30
    • G01T1/18G01T1/185G01T1/29G01T7/00G21K1/02H01J47/02
    • G21K1/02G01T1/185H01J47/02
    • A method for detecting ionizing radiation, a detector (64) for detection of ionizing radiation, and an apparatus for use in planar beam radiography, comprising such a detector. The detector comprises: a chamber filled with an ionizable medium; first and second electrode arrangements (2, 1, 18, 19) provided in said chamber with a space between them, said space including a conversion volume (13); means for electron avalanche amplification (17) arranged in said chamber; and, at least one arrangement of read-out elements (15) for detection of electron avalanches. A radiation entrance is provided so that radiation enters the conversion volume between the first and second electrode arrangements. The distance between the first and second electrode arrangements is selected to achieve discrimination of fluorescent photons and/or long-range electrons, in order to achieve improved position resolution.
    • 一种用于检测电离辐射的方法,用于检测电离辐射的检测器(64)和用于平面射线射线照相术的装置,包括这种检测器。 检测器包括:填充有可离子化介质的室; 设置在所述腔室中的第一和第二电极布置(2,1,18,19)之间具有空间,所述空间包括转换体积(13); 用于设置在所述室中的电子雪崩放大装置(17)的装置; 以及用于检测电子雪崩的读出元件(15)的至少一种布置。 提供辐射入口,使得辐射进入第一和第二电极装置之间的转换体积。 选择第一和第二电极装置之间的距离以实现荧光光子和/或远距离电子的区分,以便实现改进的位置分辨率。
    • 63. 发明申请
    • IONIZATION CHAMBER FOR ION BEAMS AND METHOD FOR MONITORING THE INTENSITY OF AN ION BEAM
    • 电离室离子束和方法用于监控的强流离子束
    • WO00049639A1
    • 2000-08-24
    • PCT/EP2000/001390
    • 2000-02-18
    • G01T1/18A61N5/10G01T1/185H01J7/24H01J47/02
    • H01J47/02A61N5/1048G01T1/185G01T1/29
    • The invention relates to an ionization chamber for ion beams and a method for monitoring the intensity of an ion therapy beam by means of said ionization chamber. The ionization chamber comprises a housing, a beam inlet window (3) and a beam outlet window (4), a chamber volume filled with metering gas, a high-voltage anode (6) and a high-voltage cathode (7). The ionization chamber is embodied as a flat sandwich structure made up of plate-shaped large-surface structures of the above-mentioned components that are disposed in an orthogonal position with respect to the axis of the ion beam. A centrally arranged large-surface orthogonally disposed plate-shaped metering anode (9) is surrounded on both sides by a large-surface plate-shaped high-voltage cathode consisting of two parallel cathode plates. The chamber housing consists of a frame that encloses a square ionization chamber volume. The beam inlet and outlet windows are arranged on the frame of the housing in a gas-tight manner.
    • 本发明涉及的离子化室,用于离子束和用于监测使用这样的电离室的离子束疗法的强度的方法。 电离室包括用于此目的的腔室壳体,一个光束的入口窗(3)和分束出口窗(4),一个填充有计数气室容积,高压阳极(6)和高电压阴极(7),其特征在于,所述电离室平坦和从上述组分的板状大面积结构夹在中间, 被正交对准于离子束轴线,构造和布置在中间的大面积的正交对准板状计数阳极(9)通过由两个平行的阴极板的大面积的板状的高电压阴极包围两侧和室外壳包括一外壳框架的是,帧中的正方形电离腔室容积,并 所述Strahleinlass-和梁被安装在气密方式。
    • 66. 发明申请
    • 放射線画像形成装置
    • 辐射图像形成装置
    • WO2017057674A1
    • 2017-04-06
    • PCT/JP2016/079008
    • 2016-09-30
    • 大日本印刷株式会社
    • 太田 浩平大野 元紀
    • G01T1/18H01J47/06
    • G01T1/18H01J47/06
    • コンプトン散乱による反跳電子の飛跡によって生じる電子を検出するための複数のピクセルを含み、当該電子を検出したピクセルの位置および当該ピクセルにおいて電子を検出した時刻を特定可能な検出信号を出力する放射線検出装置と、コンプトン散乱によって生じる散乱γ線の入射位置を検出する検出モジュールとを含むコンプトンカメラとを有し、複数のコンプトンカメラが、被検体が配置される領域を取り囲むように環状に配置された検出部を備えている放射線画像形成装置が提供される。
    • 本发明提供一种包括康普顿相机的放射线图像形成装置,其包括:放射线检测装置,其包括用于检测由康普顿散射中的反冲电子的飞行路径产生的电子的多个像素,并且其输出可指定的检测信号 检测电子的像素的位置和电子被像素检测的时间; 以及检测模块,其检测由康普顿散射产生的散射的γ射线的入射位置。 放射线图像形成装置还包括检测单元,其中多个康普顿相机以环形方式设置以围绕放置被摄体的区域。
    • 68. 发明申请
    • IONIZING RADIATION SENSOR
    • 电离辐射传感器
    • WO2015026262A1
    • 2015-02-26
    • PCT/RU2014/000527
    • 2014-07-18
    • OTKRYTOE AKTSIONERNOE OBSCHESTVO "INTERSOFT EVRAZIYA"
    • ELIN, Vladimir AleksandrovichMERKIN, Mikhail Moiseevich
    • H01L31/0352G01T1/18
    • G01T1/24H01L29/0619H01L31/0224H01L31/022408H01L31/022416H01L31/028H01L31/0352H01L31/075H01L31/105H01L31/115H01L31/117H01L31/1175
    • The invention relates to semiconductor devices for conversion of the ionizing radiation into an electrical signal enabling determination of the radiation level and absorbed dose of gamma, proton, electronic and alpha radiations being measured. The ionizing radiation sensor (sensing element) is a p-i-n structure fabricated by the planar technology. The sensor contains a high-resistance silicon substrate (1) of n-type conductivity, on whose front (working) side there are p-regions (2, 3); layer (4) (coat) from SiO 2 ; aluminum metallization (5); and a passivating (protective) layer (6). P-region (2), located in the central part of the substrate and occupying the most surface area, forms the active region of the sensor. At least two p-regions (3) in the form of circular elements (guard rings) are located in the inactive region on the perimeter of the substrate around the central p-region (2) and ensure a decrease in the surface current value and smooth voltage drop from the active region to the device perimeter. In layer (4) of SiO 2 , there are windows (7) to ensure the contact between the metal (aluminum metallization) and the p-region; in the passivating layer over the p-region, located in the central part of the substrate, there are window (8) for contacting with the p-n region in the process of testing and windows (9) for connection of the leads. On the substrate side opposite to the front surface, there is n-region layer (10) and metal layer (11).
    • 本发明涉及用于将电离辐射转换为电信号的半导体器件,该电信号能够确定所测量的伽玛,质子,电子和α辐射的辐射水平和吸收剂量。 电离辐射传感器(传感元件)是由平面技术制造的p-i-n结构。 该传感器包含n型导电的高电阻硅衬底(1),其前(工作)侧具有p区(2,3); 来自SiO 2的层(4)(涂层); 铝金属化(5); 和钝化(保护)层(6)。 位于基板中心部分并占据最大表面积的P区(2)形成传感器的有源区。 圆形元件(保护环)形式的至少两个p区(3)位于中央p区(2)周围衬底周边上的非活性区中,并确保表面电流值的减小和 从有源区到器件周边的平稳电压降。 在SiO 2层(4)中,存在窗口(7)以确保金属(铝金属化)与p区之间的接触; 在位于衬底中心部分的p区上方的钝化层中,在测试过程中有用于与p-n区接触的窗口(8),以及用于连接引线的窗口(9)。 在与前表面相对的衬底侧,存在n区域层(10)和金属层(11)。
    • 69. 发明申请
    • 電子増幅用基板および電子増幅用基板の製造方法
    • 电子放大基板,以及用于生产电子放大基板的方法
    • WO2014132909A1
    • 2014-09-04
    • PCT/JP2014/054284
    • 2014-02-24
    • HOYA株式会社
    • 伏江 隆
    • G01T1/18H01J47/06
    • H01J43/08G01T1/28G01T1/2935H01J9/125H01J47/026H01J47/06
    •  絶縁性を有するガラス基材11と、ガラス基材11の両主面に形成された導電層12,13と、ガラス基材11と導電層12,13との積層体14に形成された複数の貫通孔15と、を備え、導電層表面への電圧印加時の両導電層間の電位差により貫通孔15内に電界を形成して当該貫通孔内にて電子雪崩増幅を起こすように構成された電子増幅用基板10であって、ガラス基材11の少なくとも一方の主面上に、絶縁部20が、当該絶縁部の一方の端部はガラス基材11の貫通孔15の開口部を取り囲み、かつ他方の端部が導電層の端部12a、13aと接するように形成されている。
    • 该电子放大基板(10)设有:具有绝缘性的玻璃基板(11) 形成在玻璃基板(11)的两个主表面上的导电层(12,13); 以及形成在玻璃基板(11)的层叠层(14)和导电层(12,13)中的多个通孔(15),并且构成为使得在通孔内形成电场 (15),由于当对导电层表面施加电压时两个导电层之间的电位差,在通孔内产生电子雪崩放大,其中在玻璃基板的至少一个主表面 如图11所示,绝缘部件(20)形成为使得玻璃基板(11)的通孔(15)的开口被绝缘部分的一端包围,而另一端接触端(12a,13a) 的导电层。