Collimator and a method of producing a collimator for a scintillator
    1.
    发明授权
    Collimator and a method of producing a collimator for a scintillator 失效
    准直仪和产生用于闪烁体的准直器的方法

    公开(公告)号:US5099134A

    公开(公告)日:1992-03-24

    申请号:US538763

    申请日:1990-06-15

    IPC分类号: G01T1/161 G01T1/164 G21K1/02

    CPC分类号: G21K1/025

    摘要: A collimator for a scintillator, having a number of through holes formed side by side, each for guiding and passing radiation from one end thereof to an other end and focusing the radiation at a predetermined position, including a frame made of a radiation shielding material, and defining a radiation transparent field of view, and a septa section provided in a lattice form in the field of view so as to define the through holes. The septa section includes a plurality of first partition plates arranged at substantially equal intervals and a plurality of second partition plates crossing the first partition plates in a lattice form. The first and second partition plates are made of a material, preferably tungsten or lead alloy, that sheilds the radiation. A plurality of focused slits are formed in at least either the first or second partition plates with the other partition plates being fitted in the slits.

    摘要翻译: 一种用于闪烁体的准直器,其具有并排形成的多个通孔,每个通孔用于将辐射从一端引导并通过到另一端,并将辐射聚焦在包括由辐射屏蔽材料制成的框架的预定位置处, 并且限定辐射透明视野,以及在视野中以格子形式设置的隔片部分,以限定通孔。 隔片部分包括以基本相等的间隔布置的多个第一分隔板和多个以格子形式与第一隔板交叉的第二分隔板。 第一和第二隔板由材料,优选钨或铅合金制成,其能够辐射辐射。 至少在第一或第二隔板中形成多个聚焦狭缝,其他隔板装配在狭缝中。

    Laser spectroscopy system
    2.
    发明授权
    Laser spectroscopy system 失效
    激光光谱系统

    公开(公告)号:US06483589B1

    公开(公告)日:2002-11-19

    申请号:US09611260

    申请日:2000-07-06

    IPC分类号: G01N2131

    摘要: In order to provide a laser spectroscopy system of simple construction and free of the effect of the fringe noise and to provide a laser spectroscopy system in which a reference cell is efficiently installed with minimum cost and space, there is disclosed a laser spectroscopy system comprising: a tunable laser diode source for generating a laser beam used for spectroscopic analysis; a sample cell where a sample gas is introduced; a first photo detector for measuring an intensity of a laser beam transmitted through the sample cell and having a beam receiving face; a beam splitter for splitting a portion of the laser beam from the laser source; and a second photo detector for measuring an intensity of a splitted laser beam from the beam splitter and having a beam receiving face, wherein the at least one of beam receiving faces is tilted to be at a predetermined angle from an axis of laser beam.

    摘要翻译: 为了提供一种结构简单且不受边缘噪声影响的激光光谱系统,并且提供一种激光光谱系统,其包括以下步骤:激光光谱系统,该系统包括: 用于产生用于光谱分析的激光束的可调激光二极管源; 导入样品气体的样品池; 第一光电检测器,用于测量透射通过样品池并具有光束接收面的激光束的强度; 分束器,用于分离来自激光源的激光束的一部分; 以及第二光电检测器,用于测量来自分束器的分裂激光束的强度并具有光束接收面,其中所述光束接收面中的至少一个倾斜到与激光束轴成预定角度。

    Portable disk storage apparatus using flexible cable for shock absorption
    3.
    发明授权
    Portable disk storage apparatus using flexible cable for shock absorption 失效
    便携式磁盘存储设备使用柔性电缆进行减震

    公开(公告)号:US5402308A

    公开(公告)日:1995-03-28

    申请号:US58597

    申请日:1993-05-07

    摘要: A fixed disk storage unit is mounted in a protective outer case, and is supported at one end by a flexible cable which connects a connector of the protective outer case with the fixed disk storage unit in the protective outer case, and supported at the other end by using elastic shock absorbers against the elasticity of the flexible cable. A head/disk enclosure including a rotatable disk and a head actuator of the fixed disk storage unit therein, and an electronic card on which electronic circuits are mounted, are placed abreast on substantially the same plane in the protective outer case, and the head/disk enclosure is supported by the shock absorbers. This construction provides a shockproof and portable disk storage apparatus which is small-sized and whose manufacturing process is simple.

    摘要翻译: 固定盘存储单元安装在保护外壳中,并且通过将保护外壳的连接器与固定盘存储单元连接在保护外壳中的柔性电缆的一端支撑,并在另一端支撑 通过使用弹性减震器来抵抗柔性电缆的弹性。 包括可旋转盘和其中的固定盘存储单元的头致动器的头/盘盒,以及安装有电子电路的电子卡,并排放置在保护外壳的基本上相同的平面上,并且头/ 磁盘盒由减震器支持。 这种结构提供了小型的防震便携式磁盘存储装置,其制造过程简单。

    Nonvolatile semiconductor storage device with limited consumption current during erasure and erase method therefor
    6.
    发明授权
    Nonvolatile semiconductor storage device with limited consumption current during erasure and erase method therefor 失效
    在其擦除和擦除方法期间具有有限消耗电流的非易失性半导体存储装置

    公开(公告)号:US06671208B2

    公开(公告)日:2003-12-30

    申请号:US10083693

    申请日:2002-02-27

    IPC分类号: G11C1616

    摘要: A nonvolatile semiconductor storage device includes a row decoder which independently controls a plurality of row select line groups. A negative voltage generated by a debooster circuit is applied to individual row select line groups with time shifts. As a result, peaks of erase current can be suppressed, so that consumption current can be reduced. In this device, a current limiting circuit of the booster circuit limits the consumption current of the booster circuit, allowing voltages to be generated within a range under a specified current value according to the conditions of voltage application to the individual row select line groups. Thus, a further reduction of the consumption current at a shorter scale can be achieved.

    摘要翻译: 非易失性半导体存储装置包括独立地控制多个行选择线组的行解码器。 由去激励电路产生的负电压被施加到具有时间偏移的各行行选择线组。 结果,可以抑制擦除电流的峰值,从而可以减少消耗电流。 在该装置中,升压电路的限流电路限制升压电路的消耗电流,根据对单独的行选择线组的电压施加条件,允许在规定的电流值的范围内产生电压。 因此,可以实现更短规模的消耗电流的进一步降低。