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    Czochralski crystal growth process furnace that maintains constant melt line orientation and method of operation
    11.
    发明授权
    Czochralski crystal growth process furnace that maintains constant melt line orientation and method of operation 有权
    Czochralski晶体生长工艺炉保持恒定的熔体线取向和操作方法

    公开(公告)号：US08721786B2

    公开(公告)日：2014-05-13

    申请号：US12877140

    申请日：2010-09-08

    申请人： Mark S. Andreaco ,  Troy Marlar ,  Brant Quinton ,  Piotr Szupryczynski

    发明人： Mark S. Andreaco ,  Troy Marlar ,  Brant Quinton ,  Piotr Szupryczynski

    IPC分类号： C30B15/26

    CPC分类号： C30B15/30 ,  C30B15/20

    摘要： A Czochralski process (“CZ”) crystal growth method and furnace having a heater capable of generating a heating zone, a crucible within the heating zone and capable of retaining a volume of molten crystal growth material forming a melt line oriented in a designated position within the heating zone, a seed growth rod retractable from the crucible with a rod retraction mechanism, for forming a crystal boule thereon proximal the melt line from the molten crystal growth material. The furnace causes relative movement between the crucible and heating zone as the crystal boule is retracted, so that the melt line is maintained in the designated position within the heating zone. In some embodiments relative movement is based at least in part on sensed weight of the growing crystal boule. In other embodiments the crucible growth rod retraction mechanism are fixed relative to each other by a gantry.

    摘要翻译： Czochralski工艺（“CZ”）晶体生长方法和具有能够产生加热区域的加热器的炉子，在加热区内的坩埚，并且能够保持一定量的熔融晶体生长材料， 所述加热区域是从所述坩埚收回的具有杆缩回机构的种子生长棒，用于在熔融线上从所述熔融晶体生长材料形成晶体棒。 当晶体晶棒缩回时，炉引起坩埚和加热区之间的相对运动，使得熔体线保持在加热区内的指定位置。 在一些实施例中，相对运动至少部分地基于生长的晶体晶粒的感测重量。 在其他实施例中，坩埚生长杆回缩机构通过台架相对于彼此固定。

    Segmented scintillation detector for encoding the coordinates of photon interactions
    13.
    发明授权
    Segmented scintillation detector for encoding the coordinates of photon interactions 失效
    用于编码光子相互作用坐标的分段闪烁检测器

    公开(公告)号：US6087663A

    公开(公告)日：2000-07-11

    申请号：US18949

    申请日：1998-02-05

    申请人： Christian Moisan ,  Mark S. Andreaco ,  Sebastian Paquet ,  Joel G. Rogers

    发明人： Christian Moisan ,  Mark S. Andreaco ,  Sebastian Paquet ,  Joel G. Rogers

    IPC分类号： G01T1/20 ,  G01T1/202

    CPC分类号： G01T1/2002 ,  G01T1/202

    摘要： Light guides (1) capable of encoding the transverse and longitudinal coordinates of light emission induced by the interaction of photons in an array of a plurality of the light guides. Each light guide has at least two discrete crystal segments (4) adjacently disposed along a common longitudinal axis of the light guide (1). Between adjacent segments is a boundary layer (7) having less light transmission than the light transmission of the crystal segments (4). A light absorbing mask (8) increases light adsorption in a segment (4). Photons enter the light guide (1) and cause the emission of scintillation light which is delivered in different and resolvable quantities to light sensing devices. The differences in quantity of delivered light is caused by successive decreases in light in part by the boundary layers (7). The differences in quantity of light establish the segment from which the light emission took place.

    摘要翻译： 光引导件（1）能够编码由多个光导的阵列中的光子相互作用而引起的发光的横向和纵向坐标。 每个光导具有沿着光导（1）的公共纵向轴线相邻设置的至少两个离散晶体段（4）。 相邻段之间的边界层（7）的光透射率低于晶体段（4）的透光率。 光吸收掩模（8）增加段（4）中的光吸附。 光子进入光导（1）并导致以不同且可分辨量传输的闪烁光的发射到光感测装置。 传输光量的差异是由边界层（7）的部分光的连续减少引起的。 光量的差异建立了发光的部分。

    Radiation Detection Utilizing Optical Bleaching
    14.
    发明申请
    Radiation Detection Utilizing Optical Bleaching 有权
    使用光学漂白的辐射检测

    公开(公告)号：US20140097346A1

    公开(公告)日：2014-04-10

    申请号：US14044896

    申请日：2013-10-03

    申请人： Peter Carl Cohen ,  A. Andrew Carey ,  Mark S. Andreaco ,  Matthias Schmand

    发明人： Peter Carl Cohen ,  A. Andrew Carey ,  Mark S. Andreaco ,  Matthias Schmand

    IPC分类号： G01T1/20

    CPC分类号： G01T1/20 ,  G01T1/2018 ,  G01T1/202

    摘要： A method and device for improving the optical performance (such as time resolution) of scintillation detectors using the optical bleaching technique are disclosed. Light of a selected wavelength is emitted by a light source into a scintillator. The wavelength is selected to meet the minimum energy requirement for releasing of charge carriers captured by the charge carrier traps in the scintillation material. Trap-mediated scintillation components are thus reduced by optical bleaching and the optical performance of the scintillator crystal and the detector is enhanced.

    摘要翻译： 公开了一种用于改善使用光学漂白技术的闪烁检测器的光学性能（例如时间分辨率）的方法和装置。 所选波长的光由光源发射到闪烁体中。 选择波长以满足释放由闪烁材料中的电荷载流子阱俘获的电荷载体的最小能量需求。 因此通过光学漂白减少陷阱介导的闪烁成分，提高闪烁体晶体和检测器的光学性能。

    CZOCHRALSKI CRYSTAL GROWTH PROCESS FURNACE THAT MAINTAINS CONSTANT MELT LINE ORIENTATION AND METHOD OF OPERATION
    15.
    发明申请
    CZOCHRALSKI CRYSTAL GROWTH PROCESS FURNACE THAT MAINTAINS CONSTANT MELT LINE ORIENTATION AND METHOD OF OPERATION 有权
    CZOCHRALSKI晶体生长过程保持恒定的熔体线定向和操作方法

    公开(公告)号：US20120055395A1

    公开(公告)日：2012-03-08

    申请号：US12877140

    申请日：2010-09-08

    申请人： Mark S. Andreaco ,  Troy Marlar ,  Brant Quinton ,  Piotr Szupryczynski

    发明人： Mark S. Andreaco ,  Troy Marlar ,  Brant Quinton ,  Piotr Szupryczynski

    IPC分类号： C30B15/30 ,  C30B15/20

    CPC分类号： C30B15/30 ,  C30B15/20

    摘要： A Czochralski process (“CZ”) crystal growth method and furnace having a heater capable of generating a heating zone, a crucible within the heating zone and capable of retaining a volume of molten crystal growth material forming a melt line oriented in a designated position within the heating zone, a seed growth rod retractable from the crucible with a rod retraction mechanism, for forming a crystal boule thereon proximal the melt line from the molten crystal growth material. The furnace causes relative movement between the crucible and heating zone as the crystal boule is retracted, so that the melt line is maintained in the designated position within the heating zone. In some embodiments relative movement is based at least in part on sensed weight of the growing crystal boule. In other embodiments the crucible growth rod retraction mechanism are fixed relative to each other by a gantry.

    摘要翻译： Czochralski工艺（“CZ”）晶体生长方法和具有能够产生加热区的加热器的炉子，在加热区内的坩埚，并且能够保持一定量的熔融晶体生长材料， 所述加热区域是从所述坩埚收回的具有杆缩回机构的种子生长棒，用于在熔融线上从所述熔融晶体生长材料形成晶体棒。 当晶体晶棒缩回时，炉引起坩埚和加热区之间的相对运动，使得熔体线保持在加热区内的指定位置。 在一些实施例中，相对运动至少部分地基于生长的晶体晶粒的感测重量。 在其他实施例中，坩埚生长杆回缩机构通过台架相对于彼此固定。

    Method of calibrating multi-crystal single block radiation detectors
    17.
    发明授权
    Method of calibrating multi-crystal single block radiation detectors 失效
    校准多晶单块辐射探测器的方法

    公开(公告)号：US5986266A

    公开(公告)日：1999-11-16

    申请号：US940015

    申请日：1997-09-29

    申请人： Mark S. Andreaco ,  Joel G. Rogers

    发明人： Mark S. Andreaco ,  Joel G. Rogers

    IPC分类号： G01T1/164 ,  G01T1/202

    CPC分类号： G01T1/1648 ,  G01T1/1647

    摘要： A method of calibrating multi-crystal, single block radiation detectors for use in positron emission tomography and other devices with multi-crystal, single block radiation detectors that are used to determine gamma ray distribution. The detector units are individually subjected to a gamma ray flood source wherein the gamma ray has an energy in excess of about 0.7 MeV, and preferably above about 1.0 MeV. Energies of up to about 10 MeV are usable with the calibration method, with higher energies giving rise to containment and handling problems because of the energy. The light produced within each of the crystals is converted to electrical signals through, for example, photomultiplier tubes. These signals are used to generate a lookup map, this map providing information as to the correct positioning and response of each crystal in the array of crystals of the block detector. The method is useful for detector blocks of of many sizes that are divided into arrays of a large number of crystals.

    摘要翻译： 校准用于正电子发射断层摄影的多晶单块辐射检测器的方法以及用于确定γ射线分布的具有多晶单块辐射探测器的其它装置。 检测器单元分别经受伽马射线泛光源，其中伽马射线具有超过约0.7MeV的能量，优选高于约1.0MeV。 高达约10MeV的能量可用于校准方法，其中较高的能量由于能量而引起遏制和处理问题。 在每个晶体内产生的光通过例如光电倍增管转换成电信号。 这些信号用于产生查找图，该图提供关于块检测器的晶体阵列中每个晶体的正确定位和响应的信息。 该方法对于分成大量晶体的阵列的许多尺寸的检测器块是有用的。