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    • 4. 发明申请
    • SURFACE CHARGE MEASUREMENT
    • 表面电荷测量
    • WO2012172330A1
    • 2012-12-20
    • PCT/GB2012/051336
    • 2012-06-13
    • MALVERN INSTRUMENTS LIMITEDCORBETT, JasonMCNEIL-WATSON, FraserJACK, Robert
    • CORBETT, JasonMCNEIL-WATSON, FraserJACK, Robert
    • G01N27/447
    • G01R29/24G01N15/00G01N21/51G01N27/447G01N2021/513
    • The invention relates to methods and apparatus for determining properties of a surface. Embodiments disclosed include an apparatus for measuring a surface charge of a sample, comprising: a sample holder having an opposed pair of electrodes and configured to hold a sample in position in a measurement volume between the electrodes such that a planar surface of the sample is aligned orthogonal to the electrode surfaces; a measurement chamber for containing a measurement liquid and having an open end configured to receive the sample holder to position the electrodes in a preset orientation; a laser light source positioned and configured to direct a laser beam through the measurement chamber between the electrodes and parallel to the planar surface of the sample when the sample holder is received in the measurement chamber; and a detector positioned and configured to detect scattered light from the measurement volume, wherein the apparatus is configured to allow for detection of the scattered light by the detector over a range of distances from the surface of the sample.
    • 本发明涉及用于确定表面特性的方法和装置。 所公开的实施例包括用于测量样品的表面电荷的装置,包括:样品保持器,其具有相对的一对电极并且被配置为将样品保持在电极之间的测量体积中的适当位置,使得样品的平坦表面对准 与电极表面正交; 测量室,用于容纳测量液体,并且具有构造成接收样品架以将电极定位在预定方位的开口端; 激光光源,被定位和配置为当样品保持器容纳在测量室中时,将激光束引导通过电极之间的测量室并平行于样品的平面; 以及检测器,其被定位和配置为检测来自测量体积的散射光,其中所述装置被配置为允许在距所述样品表面的距离范围内由所述检测器检测散射光。
    • 8. 发明申请
    • DEVICE FOR DETERMINING A CHARGE DISTRIBUTION IN A DIELECTRIC ELEMENT
    • 用于确定电介质元件中电荷分布的装置
    • WO2009004259A2
    • 2009-01-08
    • PCT/FR2008051109
    • 2008-06-19
    • CENTRE NAT ETD SPATIALESPAYAN DENIS
    • PAYAN DENIS
    • G01R31/00G01R29/24
    • G01R31/14G01R27/2664G01R29/24G01R31/1209G01R31/1263
    • The invention relates to a device for determining a distribution of charges stored in an element (2) made from a dielectric, said device comprising: an electrode (22) that emits a pulse capable of generating an acoustic wave by displacement of said charges stored in said element (2), said emitter electrode being connected to a generator of said pulse (33), and a receiver electrode (15) connected to said element (2) and equipped with a sensor (16) capable of detecting said acoustic wave and of converting it to an electrical signal, so as to determine the distribution of the charges stored in said element (2) from said electrical signal. According to the invention, the emitter electrode (22) is an electrode with no contact with said element (2) storing said charges, capable of transmitting said pulse to said element (2) through a dielectric that separates said emitter electrode (22) from said element (2), via a line effect.
    • 本发明涉及一种用于确定存储在由电介质制成的元件(2)中的电荷分布的装置,所述装置包括:电极(22),其发射能够通过所存储的所述电荷的位移产生声波的脉冲 所述元件(2),所述发射极连接到所述脉冲(33)的发生器,以及连接到所述元件(2)并具有能够检测所述声波的传感器(16)的接收器电极(15),以及 将其转换为电信号,以便从所述电信号确定存储在所述元件(2)中的电荷的分布。 根据本发明,发射电极(22)是与所述元件(2)没有接触的电极,所述元件(2)存储所述电荷,能够通过使所述发射电极(22)与所述发射极(22)分离的电介质将所述脉冲发射到所述元件 所述元件(2)通过线条效应。
    • 9. 发明申请
    • イオンバランスセンサ
    • 离子平衡传感器
    • WO2006003777A1
    • 2006-01-12
    • PCT/JP2005/010444
    • 2005-06-01
    • 岡野 一雄
    • 岡野 一雄
    • G01N27/60
    • G01R29/24G01N27/4148G01R29/12
    • 簡単な構成でイオンバランスを正確に検出し、小形化及び製造コストの低減を可能にする。除電対象物の表面近くにおけるイオンバランスの検出を可能にする。正イオンまたは負イオンにより帯電するアンテナ20と、アンテナ20がゲート電極Gに接続され、接地されたソース電極Sとゲート電極Gとの間にイオンバランス検出用抵抗Rが接続されると共に、ソース電極Sとドレイン電極Dとの間に直流電源V DS と負荷抵抗R L とが直列に接続されたノーマリーオン形のMOSFET11とを備える。帯電したアンテナ20接地間をイオンバランス検出用抵抗Rを介して流れる電流による電圧降下によってゲート電極Gの電圧を変化させ、この電圧によるドレイン電流の変化を検出してアンテナ20を帯電させたイオンの正負のバランスを検出する。
    • 一种能够以简单的结构精确地检测离子平衡的离子平衡传感器,从而减小尺寸并降低制造成本。 离子平衡传感器可以检测待静电物体表面附近的离子平衡。 离子平衡传感器包括用正离子或负离子充电的天线(20),以及其栅极(G)与天线(20)连接的常ON型MOSFET(11),其源电极(S )与其间的栅电极(G)之间的离子平衡检测电阻(R)接地并连接,并且其漏电极(D)与直流电源(V DS)的串联连接, )和源极(S)与其本身之间的负载电阻(R L1 L)。 栅电极(G)的电压由通过离子平衡检测电阻(R)在带电天线(20)和地之间流动的电流引起的电压降变化,使得漏极电流 通过检测电压来检测已经对天线(20)充电的离子的正负平衡。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR MEASURING ELECTROSTATIC CHARGE DENSITY
    • 测量静电电荷密度的方法和装置
    • WO1980002200A1
    • 1980-10-16
    • PCT/US1980000411
    • 1980-04-11
    • US SEC DEPARTMENT OF
    • US SEC DEPARTMENT OFOWEN E
    • G01N27/60
    • G01R29/24G01N27/60
    • Apparatus and method for momentary sampling of an atmosphere to determine electrostatic charge density. A nonconductive elongated sampling tube (12) is inserted into the area to be sampled. An intake valve (80, 96) on the end of the elongated sampling tube is opened momentarily and a small sample of the atmosphere to be sampled is moved through the intake valve and the elongated sampling tube into an isolated metallic inner cylinder (26) filled with metallic wool (30). An outer metallic cylinder (24) is located concentrically around the inner cylinder (26) and is electrically isolated therefrom except for a single discharge path through an electronic control package (16). Current flow between the inner cylinder and outer cylinder is measured by a sensitive ammeter (42) in the electronic control package and is electronically converted to indicate charge density in coulombs/meters3.
    • 用于瞬时取样气氛以确定静电电荷密度的装置和方法。 将非导电细长取样管(12)插入待采样区域。 在细长采样管的端部上的进气阀(80,96)瞬间打开,并且将要采样的大气样本的小样品通过进气门和细长取样管移动到填充的隔离金属内筒(26)中 与金属羊毛(30)。 外部金属圆筒(24)同心地位于内部圆柱体(26)周围,并且通过电子控制组件(16)的单个排出路径被电隔离。 内部气缸和外部气缸之间的电流通过电子控制组件中的敏感电流表(42)测量,并被电子转换以指示电量密度(以库仑/米3为单位)。