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    • 2. 发明申请
    • HIGH-EFFICIENCY NEUTRON DETECTORS AND METHODS OF MAKING SAME
    • 高效中子探测器及其制造方法
    • WO2004040332A2
    • 2004-05-13
    • PCT/US2003/034436
    • 2003-10-29
    • THE REGENTS OF THE UNIVERSITY OF MICHIGANMCGREGOR, Douglas, S.KLANN, Raymond
    • MCGREGOR, Douglas, S.KLANN, Raymond
    • G01T3/00
    • G01T1/185G01T3/00G01T3/08
    • Neutron detectors, advanced detector process techniques and advanced compound film designs have greatly increased neutron-detection efficiency. One embodiment of the detectors utilizes a semiconductor wafer with a matrix of spaced cavities filled with one or more types of neutron reactive material such as 10 B or 6 LiF. The cavities are etched into both the front and back surfaces of the device such that the cavities from one side surround the cavities from the other side. The cavities may be etched via holes or etched slots or trenches. In another embodiment, the cavities are different-sized and the smaller cavities extend into the wafer from the lower surfaces of the larger cavities. In a third embodiment, multiple layers of different neutron-responsive material are formed on one or more sides of the wafer. The new devices operate at room temperature, are compact, rugged, and reliable in design.
    • 中子探测器,先进的探测器工艺技术和先进的复合膜设计大大提高了中子探测效率。 检测器的一个实施例利用半导体晶片,该半导体晶片具有填充有一种或多种类型的中子反应性材料(诸如,10 B或6或6)的间隔空腔的矩阵, SUP>的LiF。 空腔被蚀刻到装置的前表面和后表面中,使得来自一侧的空腔从另一侧包围空腔。 腔可以通过孔或蚀刻槽或沟槽蚀刻。 在另一个实施例中,空腔的尺寸不同,较小的空腔从较大空腔的下表面延伸到晶片中。 在第三实施例中,在晶片的一个或多个侧面上形成多层不同的中子响应材料。 新器件在室温下工作,结构紧凑,坚固耐用,设计可靠。
    • 5. 发明申请
    • COLLIMATED RADIATION DETECTOR ARRAY AND MODULE
    • 集合辐射检测器阵列和模块
    • WO2003016949A1
    • 2003-02-27
    • PCT/US2002/025646
    • 2002-08-12
    • THE REGENTS OF THE UNIVERSITY OF MICHIGANMCGREGOR, Douglas, S.
    • MCGREGOR, Douglas, S.
    • G01T1/24
    • G01T1/2928G01T1/241G01T1/243G01T1/244
    • Collimated radiation detector assemblies, arrays of collimated radiation detectors and a collimated radiation electrode module are provided which offer the advantages of high gamma ray energy resolution and good gamma ray collimation for imaging capability. A conductive metal structure acts as an electromagnetic shield to produce the Frisch grid effect in a solid-state detector crystal or substrate of a detector. The structure may be a single structure or two parts connected together. The structure improves the gamma ray energy resolution response while at the same time serving as a gamma ray directional collimator. The assemblies, arrays and module can be manufactured from a variety of materials, including common semiconductors such as silicon, germanium, and cadmium-zinc-telluride. Assemblies can be stacked to produce a gamma ray imaging array. Also various structures having several compartments for detectors or detector portions are provided.
    • 提供了准直辐射探测器组件,准直辐射探测器阵列和准直辐射电极模块,其具有高伽马射线能量分辨率和良好的伽马射线准直成像能力的优点。 导电金属结构用作电磁屏蔽以在检测器的固态检测器晶体或衬底中产生Frisch栅格效应。 该结构可以是连接在一起的单个结构或两个部分。 该结构改善伽马射线能量分辨率响应,同时用作伽马射线定向准直器。 组件,阵列和模块可以由各种材料制造,包括常用的半导体,例如硅,锗和碲化镉 - 碲化物。 可以堆叠组件以产生伽马射线成像阵列。 还提供了具有用于检测器或检测器部分的几个隔室的各种结构。
    • 6. 发明申请
    • ARRAY INDEXING
    • 阵列指数
    • WO1997035256A1
    • 1997-09-25
    • PCT/GB1997000764
    • 1997-03-19
    • UNIVERSITY OF STRATHCLYDEMcGREGOR, Douglas, RobertCOCKSHOTT, William, Paul
    • UNIVERSITY OF STRATHCLYDE
    • G06F12/02
    • G06F12/0207
    • A method and apparatus for sequentially generating a set of addresses, defined over a plurality of indices, for a multi-dimensional array stored in a memory for the condition where at least one of the address indices is fixed, is performed by simple addition, OR-ing and AND-ing. An accumulator or counter initially holds an arbitrary binary value composed of a set of binary indices corresponding to the address indices. This binary value is logically OR-ed with a first mask value having binary indices selected in value in relation to the fixed address indices. The resultant is logically AND-ed with a second mask value having binary indices selected in value in relation to the fixed address indices, and this operation produces a first address of the set. The same resultant is incremented and the incremented value is delivered to the accumulator for the cycle to be repeated.
    • 一种方法和装置,用于通过简单的加法来执行存储在存储器中的至少一个地址索引固定的状态的多个索引定义的地址集合,OR 和和。 累加器或计数器最初保存由对应于地址索引的一组二进制索引组成的任意二进制值。 该二进制值与具有相对于固定地址索引的值选择的二进制索引的第一掩码值进行逻辑或运算。 所得到的结果与具有相对于固定地址索引值的二进制索引的第二掩码值进行逻辑AND编辑,并且该操作产生该集合的第一地址。 相同的结果被递增,并且递增的值被递送到累加器以用于要重复的周期。