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    • 1. 发明授权
    • Image processing method of X-ray CT, X-ray CT and X-ray CT image-taking recording medium
    • X射线CT,X射线CT和X射线CT摄像记录介质的图像处理方法
    • US06426988B2
    • 2002-07-30
    • US09826317
    • 2001-04-05
    • Yosihiro YamadaYoshihiro Ueno
    • Yosihiro YamadaYoshihiro Ueno
    • A61B603
    • G06T11/005Y10S378/901
    • In an image processing, a high-absorber area is set and weighting is carried out according to a length of a path through which X-rays pass in the high-absorber area, so that estimated image taking data at a portion where X-rays pass through the high-absorber area in considering a weight is obtained. Measured projection data at the portion where X-rays pass through the high-absorber area is replaced by data according to overwriting estimated projection data obtained by forward projecting the estimated image to correct and reconstitute the measured projection data. Thus, there can be obtained a corrected fault image having a reduced artifact and a high contrast, and considering the weight in the high-absorber area. Therefore, the artifact formed on the fault image due to absorption or dispersion of X-rays by an X-ray high-absorber, such as metal, can be reduced.
    • 在图像处理中,设置高吸收区域,并根据X射线在高吸收区域中通过的路径的长度进行加权,从而在X射线部分的估计图像采集数据 通过高吸收区考虑重量获得。 X射线穿过高吸收区域的部分的测量投影数据被替换为根据覆盖通过前向投影估计图像而获得的估计投影数据的数据,以校正和重建测量的投影数据。 因此,可以获得具有减少的伪影和高对比度的校正故障图像,并且考虑高吸收器区域中的重量。 因此,可以减少由于诸如金属的X射线高吸收体吸收或分散X射线而在故障图像上形成的伪影。
    • 4. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US07928372B2
    • 2011-04-19
    • US12016522
    • 2008-01-18
    • Shinichi YamaguchiMasaru NishiguchiKiyoshi OgawaYoshihiro Ueno
    • Shinichi YamaguchiMasaru NishiguchiKiyoshi OgawaYoshihiro Ueno
    • B01D59/44
    • H01J49/38H01J49/408
    • A mass spectrometer is provided in which ions are favorably introduced into a loop orbit or favorably led out from the loop orbit without affecting the motion of the ions flying along the loop orbit. An ion-introduction orbit 5 is set to correspond to the orbit (ejection orbit portion 4) of ions after being bent by the sector-shaped electric field E1 in the loop orbit 4. When ions are introduced, a voltage applied to the electrode unit 11 is put to zero to release the sector-shaped electric field E1. Then the ions emitted along the ion-introduction orbit 5 fly straight in the electrode unit 11. The direction and position of the ions coming out from the exit end of the electric field is the same as those ions flying along the loop orbit 4. Therefore, there is no need for placing a deflection electrode for introducing/leading-out ions on the loop orbit.
    • 提供质谱仪,其中离子有利地被引入环轨道或有利地从环轨道引出,而不影响沿着环路轨道飞行的离子的运动。 离子引入轨道5被设置为对应于在环路轨道4中的扇形电场E1弯曲之后的离子的轨道(喷射轨道部分4)。当离子被引入时,施加到电极单元的电压 11被置零以释放扇形电场E1。 然后沿离子引入轨道5发射的离子在电极单元11中直线飞行。从电场出射端出来的离子的方向和位置与沿着环轨道4飞行的那些离子相同。因此 ,不需要在环轨道上放置用于引入/引出离子的偏转电极。
    • 8. 发明授权
    • Head slider with positive dynamic pressure generating section
    • 带有动态压力产生部分的头部滑块
    • US07277255B2
    • 2007-10-02
    • US10967272
    • 2004-10-19
    • Yoshihiro UenoZhisheng Deng
    • Yoshihiro UenoZhisheng Deng
    • G11B5/60
    • G11B5/6082
    • A head slider is designed to prevent collision against a surface of a disk due to an external impact and the like while a device is in use to avoid damages on an air bearing surface (“ABS”) of the head slider and the surface the disk. This is achieved by a structure of the head slider which produces a large positive pressure on a positive dynamic pressure generating section when the head slider comes close to the disk. More specifically, the ABS of the head slider comprises three surfaces of different positional heights, and the positive dynamic pressure generating section having a height equivalent to a mid level surface of the second highest position is provided on a portion of the head slider made of a material of high brittleness at each of locations near both side edges lateral to a tracking width of a magnetic head. In addition, a head mounting pad bearing the magnetic head is so configured that a boundary between a high level surface in the highest position and a mid level surface is asymmetrical with respect to the lateral center of the head slider in a direction of the tracking width of the magnetic head.
    • 磁头滑动器设计成在使用装置时避免由于外部冲击等而与盘的表面碰撞,以避免损坏磁头滑动器的空气轴承表面(“ABS”)并且磁盘的表面 。 这是通过头部滑块的结构来实现的,当磁头滑块靠近磁盘时,磁头滑块在正动压力产生部分上产生大的正压力。 更具体地说,头部滑动器的ABS包括具有不同位置高度的三个表面,并且具有相当于第二最高位置的中间水平表面的高度的正动压产生部分设置在由 在磁头的跟踪宽度的两侧边缘附近的每个位置附近具有高脆性的材料。 此外,具有磁头的头部安装衬垫被配置成使得最高位置的高水平表面与中间水平表面之间的边界相对于磁头滑动器的横向中心在跟踪宽度的方向上是不对称的 的磁头。
    • 10. 发明申请
    • Time of flight mass spectrometer
    • 飞行时间质谱仪
    • US20070114383A1
    • 2007-05-24
    • US11603159
    • 2006-11-22
    • Yoshihiro Ueno
    • Yoshihiro Ueno
    • H01J49/00
    • H01J49/30H01J49/408
    • In a time of flight mass spectrometer (TOFMS) having a flight space in which ions fly in a loop orbit formed by a plurality of electric sector fields, the present invention provides a simple structure that creates a spiral path by deflecting the ions in the axial direction of the electric fields at every turn of the ions. In a mode of the present invention, the TOFMS has cylindrical electrodes 11 and 12 for creating electric sector fields E1 and E2, between which a parallel pair of planer magnetic poles 15a and 15b are provided. The planer magnetic poles 15a and 15b create a deflecting magnetic field B1 for shifting the ions in the axial direction (Y-direction) of the electric sector fields. The ions experience a Lorenz force once every turn when they pass through the deflecting magnetic field B1. This construction uses only one pair of magnetic poles facing each other across the ion path P to deflect every ion irrespective of its number of turns. There is no need to provide one deflector for each turn of the ions, as in the case of conventional TOFMSs.
    • 在具有飞行空间的飞行时间质谱仪(TOFMS)中,离子飞行在由多个电扇区形成的环轨道中,本发明提供了一种简单的结构,其通过在轴向上偏转离子而产生螺旋路径 方向的电场每转一圈的离子。 在本发明的模式中,TOFMS具有用于产生电扇区场E 1和E 2的圆柱形电极11和12,平行的一对平面磁极15a和15b设置在平行的一对平面磁极之间。 平面磁极15a和15b产生偏转磁场B 1,用于在电扇区的轴向(Y方向)上移动离子。 当离子穿过偏转磁场B 1时,离子经历一次洛伦茨力。 这种结构仅使一对磁极彼此跨过离子路径P,以偏转每个离子而不考虑其匝数。 对于常规TOFMS的情况,不需要为每一圈的离子提供一个偏转器。