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    • 18. 发明专利
    • Beam scanning imaging apparatus
    • 光束扫描成像装置
    • JP2009008658A
    • 2009-01-15
    • JP2008103800
    • 2008-04-11
    • Imra America Incイムラ アメリカ インコーポレイテッド
    • XU JINGZHOUCHO GYU CHEON
    • G01N21/35
    • G01B15/04G01B11/24G01N21/3581G01N22/00
    • PROBLEM TO BE SOLVED: To provide focusing optical system combined with steering optical system, and an imaging apparatus using the light collecting opticcal system for efficient and speedy imaging of a target using an extended terahertz electromagnetic wave range challenged by weak electromagnetic wave sources and low sensitivity of detection, and also to provide an efficient detecting method for electromagnetic wave in combination with a speedy imaging speed. SOLUTION: A rastering imaging apparatus is demonstrated without moving the target or the entire imaging system by properly locating an optical system to utilize angular conversion of beams to a lateral scan. A mirror-lens set is used to steer the terahertz (THz) beam along and (or) to collect the THz beam from each point of the target. The target is imaged with a much higher speed than when moving the target or the entire imaging system. A THz wave image can be taken in video frequency for practical usage of each apparatus in varieties of application fields where it has not been considered to be feasible. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供与转向光学系统相结合的聚焦光学系统,以及使用光收集光学系统的成像装置,用于使用由弱电磁波源激发的扩展的太赫兹电磁波范围来对目标进行有效和快速的成像 检测灵敏度低,并且提供了与快速成像速度相结合的电磁波的有效检测方法。 解决方案:通过适当地定位光学系统以利用横向扫描的光束角度转换,可以实现无需移动目标物体或整个成像系统的成像装置。 使用镜面组来转向太赫兹(THz)光束并且(或)以从目标的每个点收集太赫兹光束。 目标以比移动目标或整个成像系统时高得多的速度成像。 可以在视频中拍摄太赫兹波图像,以便在不被认为是可行的各种应用领域中实际使用每种装置。 版权所有(C)2009,JPO&INPIT
    • 20. 发明专利
    • Electron beam size measurement device and method thereof
    • 电子束尺寸测量装置及其方法
    • JP2008064505A
    • 2008-03-21
    • JP2006240529
    • 2006-09-05
    • Advantest Corp株式会社アドバンテスト
    • KURIHARA MASAYUKI
    • G01B15/00G03F1/84G03F1/86G21K5/04H01J37/20H01J37/28H01L21/027
    • G01B15/04H01J37/026H01J37/28H01J2237/0047H01J2237/2817H01J2237/2826
    • PROBLEM TO BE SOLVED: To provide an electron beam size measurement device and method thereof capable of measuring the specimen precisely while keeping the potential of the surface of the specimen constant.
      SOLUTION: The electron beam size measurement device includes the electron beam irradiating means for irradiating the surface of the specimen with the electron beam, the stage 5 for mounting the specimen 7, the photoelectron generating electrode 52 arranged opposite to the specimen 7, the ultraviolet ray irradiation means 53 for irradiation with the ultraviolet ray, and the control means 20 for making the surface potential of the specimen 7 0 [V] by impressing the voltage for supplying the energy corresponding to the difference of photo electron energy which is radiated from the specimen 7 to the photoelectron formation electrode 52 and the energy of the photoelectrons radiated by the photoelectron formation electrode 52, wherein the specimen 7 and the photoelectron formation electrode 52 are made to radiate the photoelectron by making the ultraviolet ray irradiating means 53 irradiate for a prescribed time. The control means 20 measures the size of the specimen 7 after making the surface potential of the specimen 7 constant.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够在保持试样表面的电位保持恒定的同时精确地测量试样的电子束尺寸测量装置及其方法。 电子束尺寸测量装置包括用电子束照射样品表面的电子束照射装置,用于安装样品7的阶段5,与试样7相对布置的光电子产生电极52, 用于照射紫外线的紫外线照射装置53以及用于通过施加用于提供与照射的光电子能的差异相对应的能量的电压来提供试样7 0 [V]的表面电位的控制装置20 从样品7到光电子形成电极52以及由光电子形成电极52辐射的光电子的能量,其中通过使紫外线照射装置53照射到样品7和光电子形成电极52上来照射光电子 一个规定的时间。 控制装置20在使样本7的表面电位恒定之后测量样本7的尺寸。 版权所有(C)2008,JPO&INPIT