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    • 93. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US07126116B2
    • 2006-10-24
    • US11075671
    • 2005-03-10
    • Yoshihiro Ueno
    • Yoshihiro Ueno
    • B01D59/44
    • H01J49/061G01N30/7206
    • A mass spectrometer includes: an ion source; a mass separator for separating ions with respect to mass to charge ratios of the ions; an ion detector; an ion deflector including a pair of electrodes placed opposite each other across an ion optical axis, the ion deflector being placed between the ion source and the mass separator or between the mass separator and the ion detector; and a voltage generator for applying AC voltages of opposite polarities respectively to the pair of electrodes, where a frequency of the AC voltages is determined so that lighter ions are more deflected and prevented from entering the mass separator or the ion detector and heavier ions are less deflected and allowed to enter the mass separator or the ion detector. Only helium ions which are deleterious to the mass spectrometry can be efficiently eliminated while object sample ions are hardly affected. This enables a high-sensitivity and high-accuracy mass analysis of ions whose mass to charge ratios are close to that of helium ions, which until now has been difficult.
    • 质谱仪包括:离子源; 用于分离离子相对于离子的质荷比的质量分离器; 离子检测器 离子偏转器,其包括通过离子光轴彼此相对放置的一对电极,离子偏转器被放置在离子源和质量分离器之间或者在质量分离器和离子检测器之间; 以及电压发生器,用于分别向一对电极施加相反极性的交流电压,其中确定了交流电压的频率,使得较轻的离子更多地偏转并防止进入质量分离器或离子检测器,较重的离子较少 偏转并允许进入质量分离器或离子检测器。 只有对质谱有害的氦离子才能被有效地消除,而对象样品离子几乎不受影响。 这使得能够对其质荷比接近于氦离子的离子进行高灵敏度和高精度的质量分析,迄今为止难以进行。
    • 96. 发明授权
    • Head slider and disk drive apparatus
    • 磁头滑块和磁盘驱动器
    • US06999281B2
    • 2006-02-14
    • US10353022
    • 2003-01-29
    • Yoshihiro UenoZhi Sheng Deng
    • Yoshihiro UenoZhi Sheng Deng
    • G11B5/60
    • G11B5/6082
    • A Head slider 20 has a substantially rectangular parallelepiped shape and a disk-facing surface adapted to oppose a disk 400, as well as a head 22 disposed on the disk-facing surface for performing record/reproduce operations. The disk-facing surface has a cross rail 261 disposed at a predetermined distance from an upstream edge portion 36 perpendicular to the rotating direction of disk 400, and an upstream-side intermediate-level surface 32 formed to be lower than cross rail 261 and extended from the forward edge of cross rail 261 to upstream edge portion 36. A step depth H at a stepped portion 38 between cross rail 261 and intermediate-level surface 32 is set to be within a range of 5 nm to 100 nm. Thus, a disk drive is provided that is capable of record/reproduce operations while maintaining stable flight of head slider 20 when the relative speed between the head slider and disk is low and that has good shock resistance.
    • 磁头滑动器20具有大致长方体形状和适于与盘400相对的面向盘的表面以及设置在面向磁盘的表面上用于执行记录/再现操作的磁头22。 面向盘的表面具有布置在与盘400的旋转方向垂直的上游边缘部分36预定距离处的横向轨道261,以及形成为低于交叉轨道261并延伸的上游侧中间水平表面32 从横梁261的前缘到上游边缘部36。 交叉轨道261与中间水平面32之间的阶梯部38的台阶深度H设定在5nm〜100nm的范围内。 因此,当磁头滑块和磁盘之间的相对速度较低并且具有良好的抗冲击性时,提供能够进行记录/再现操作同时保持磁头滑块20的稳定飞行的磁盘驱动器。
    • 97. 发明授权
    • Photoconductor for electrophotography and quinomethane compound
    • 光电导体用于电子照相和喹啉化合物
    • US06933091B2
    • 2005-08-23
    • US10444094
    • 2003-05-23
    • Nobuyuki SekineMasami KurodaYoshihiro UenoKenichi Ohkura
    • Nobuyuki SekineMasami KurodaYoshihiro UenoKenichi Ohkura
    • G03G5/06G03G5/047G03G5/05G03G5/04C07D307/02C07D405/02
    • G03G5/0521G03G5/047G03G5/0517
    • A highly sensitive positively charged type electrophotographic photoconductor includes an organic compound that transports electrons efficiently, improving light emission efficiency. The photoconductor is used in an electrophotographic drum, an electrophotographic cartridge and an electrophotographic apparatus. The photosensitive layer includes at least one compound represented by the following general formula (I) wherein each of R1, R2, R3 and R4, is independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents and aryl groups that optionally have substituents, each of R5 and R6 is independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, R7 is selected from the group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, m represents an integer of 0 to 2 and a plurality of R7s are the same or different, the substituents being selected from a group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms, alkoxy groups having 1-6 carbon atoms, aryl groups, and heterocyclic groups.
    • 高灵敏度带正电的电子照相感光体包括有效地传输电子的有机化合物,提高发光效率。 光电导体用于电子照相圆筒,电子照像盒和电子照相设备中。 感光层包括至少一种由以下通式(I)表示的化合物,其中R 1,R 2,R 3和R 3各自为 R 4独立地选自氢原子,具有1-6个碳原子的任选具有取代基的烷基和任选具有取代基的芳基,R 5, SUP>和R 6独立地选自氢原子,具有1-6个碳原子的任选具有取代基的烷基,任选具有取代基的芳基和任选具有取代基的杂环基, R 7选自卤素原子,具有1-6个碳原子的任选具有取代基的烷基,任选具有取代基的芳基和任选具有取代基的杂环基,m表示整数 为0〜2,多个R 7相同或不同 取代基选自卤素原子,具有1-6个碳原子的烷基,具有1-6个碳原子的烷氧基,芳基和杂环基。
    • 98. 发明申请
    • Disk drive, head slider, and head supporting device
    • 磁盘驱动器,磁头滑块和磁头支撑装置
    • US20050099728A1
    • 2005-05-12
    • US10980214
    • 2004-11-03
    • Zhisheng DengYoshihiro Ueno
    • Zhisheng DengYoshihiro Ueno
    • G11B5/60G11B21/21
    • G11B5/6082
    • A disk drive including: (a) a recording medium; and (b) a head slider having (i) a first air bearing on the side of an air inlet end, and (ii) a second air bearing on the side of an air outlet end. The second air bearing includes a positive pressure generating portion on the side of the outermost air outlet end, and a first arm and a second arm, respectively extending from both ends of the positive pressure generating portion toward the air inlet end. Extending directions of the first arm and the second arm are defined so that the pressure generated by the second air bearing when the head slider is used on the inner diameter side of the recording medium is higher than the pressure generated by the second air bearing when the head slider is used on the outer diameter side of the recording medium.
    • 一种磁盘驱动器,包括:(a)记录介质; 和(b)头滑动器,其具有(i)空气入口端侧的第一空气轴承,和(ii)空气出口端侧的第二空气轴承。 第二空气轴承包括在最外部空气出口端侧的正压力产生部分,以及分别从正压产生部分的两端朝向空气入口端延伸的第一臂和第二臂。 定义第一臂和第二臂的延伸方向,使得当在记录介质的内径侧使用磁头滑块时由第二空气轴承产生的压力高于由第二空气轴承产生的压力 磁头滑块用于记录介质的外径侧。