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    • 1. 发明申请
    • PROBE ACTUATION SYSTEM WITH FEEDBACK CONTROLLER
    • 具有反馈控制器的探头启动系统
    • WO2015128458A1
    • 2015-09-03
    • PCT/EP2015/054126
    • 2015-02-27
    • INFINITESIMA LIMITED
    • HUMPHRIS, Andrew
    • G01Q10/04G01Q10/06G01Q70/10
    • G01Q10/065G01B11/0608G01Q10/045G01Q70/10
    • A probe actuation system has a detection system arranged to measure a position or angle of a probe to generate a detection signal. An illumination system is arranged to illuminate the probe. Varying the illumination of the probe causes the probe to deform which in turn causes the detection signal to vary. A probe controller is arranged to generate a desired value which varies with time. A feedback controller is arranged to vary the illumination of the probe according to the detection signal and the desired value so that the detection signal is driven towards the desired value. The probe controller receives as its inputs a detection signal and a desired value, but unlike conventional feedback systems this desired value varies with time. Such a time-varying desired value enables the probe to be driven so that it follows a trajectory with a predetermined speed. A position or angle of the probe is measured to generate the detection signal and the desired value represents a desired position or angle of the probe.
    • 探针致动系统具有被布置成测量探针的位置或角度以产生检测信号的检测系统。 布置照明系统照亮探头。 改变探头的照明会导致探头变形,从而导致检测信号变化。 探针控制器被布置成产生随时间变化的期望值。 反馈控制器被布置成根据检测信号和期望值来改变探头的照明,使得检测信号被驱动到期望值。 探头控制器接收检测信号和期望值作为其输入,但是与常规反馈系统不同,该期望值随时间而变化。 这种随时间变化的期望值使得能够驱动探针,使得其以预定速度跟随轨迹。 测量探针的位置或角度以产生检测信号,并且期望值表示探针的期望位置或角度。
    • 2. 发明申请
    • PRECISE PROBE PLACEMENT IN AUTOMATED SCANNING PROBE MICROSCOPY SYSTEMS
    • 自动扫描探针显微系统中的精密探针放置
    • WO2015127449A1
    • 2015-08-27
    • PCT/US2015/017319
    • 2015-02-24
    • BRUKER NANO, INC.
    • OSBORNE, JasonMILLIGAN, EricLOPEZ, AndrewWU, RobertHAND, SeanFONOBEROV, Vladimir
    • G01Q10/06G01Q60/16G01Q70/02
    • G01Q10/02G01Q10/065G01Q30/06
    • A scanning probe microscope (SPM) system and associated method. The SPM system having a probe adapted to interact with nanoscale features of a sample and scan within a target region to produce a three-dimensional image of that target region, the system maintaining location information for a plurality of features of interest of the sample according to a sample- specific coordinate system, wherein the SPM system is configured to adjust positioning of the probe relative to the sample according to a SPM coordinate system, the SPM system further configured to manage a dynamic relationship between the sample-specific coordinate system and the SPM coordinate system by determining a set of alignment errors between the sample-specific coordinate system and the SPM coordinate system and apply corrections to the SPM coordinate system to offset the determined alignment errors.
    • 扫描探针显微镜(SPM)系统及其相关方法。 所述SPM系统具有适于与样本的纳米尺度特征相互作用以及在目标区域内扫描以产生所述目标区域的三维图像的探针,所述系统根据所述样本维持所述样本感兴趣的多个特征的位置信息 特定于样本的坐标系,其中所述SPM系统被配置为根据SPM坐标系来调整所述探针相对于所述样本的定位,所述SPM系统还被配置为管理所述样本特定坐标系和所述SPM之间的动态关系 通过确定样本特定坐标系和SPM坐标系之间的一组对准误差来对坐标系进行校正,并对SPM坐标系进行校正以偏移所确定的对准误差。
    • 4. 发明申请
    • 走査型プローブ顕微鏡およびその制御方法
    • 扫描探针显微镜及其控制方法
    • WO2013054715A1
    • 2013-04-18
    • PCT/JP2012/075688
    • 2012-10-03
    • オリンパス株式会社
    • 酒井 信明
    • G01Q60/32
    • G01Q10/00B82Y35/00G01Q10/065G01Q60/32
    •  走査型プローブ顕微鏡は、自由端に探針11をもつカンチレバー12と、カンチレバー12の変位信号を出力する変位検出部15と、カンチレバー12を振動させる加振部14と、試料19と探針11を三次元的に相対的に移動させる走査部20を有している。混成信号生成部30は、加振部14に加振信号を供給するとともに、変位信号の振幅の情報を含む振幅信号を生成する振幅情報検出部31と、変位信号と加振信号の位相差の情報を含む位相信号を生成する位相差情報検出部32を含み、振幅信号と位相信号を加算して混成信号を生成する。走査部20を制御するコントローラ25はZ制御部26を含み、Z制御部26は、混成信号に基づいて試料19と探針11の間の距離を制御する。
    • 扫描探针显微镜包括在自由端具有探针(11)的悬臂(12),用于输出悬臂(12)的位移信号的位移检测单元(15),用于振动所述悬臂 悬臂(12)和扫描单元(20),用于三维和相对移动样品(19)和探针(11)。 混合信号生成单元(30)包括振幅信息检测单元(31),用于向振动激励单元(14)提供振动激励信号,并产生包括与位移信号的振幅有关的信息的振幅信号,以及相位 差分信息检测单元(32),用于产生包括与位移信号和振动激励信号之间的相位差有关的信息的相位信号,并且相加幅度信号和相位信号以产生混合信号。 用于控制扫描单元(20)的控制器(25)包括Z控制单元(26),并且Z控制单元(26)基于该控制单元(26)来控制样品(19)和探针(11)之间的距离 混合信号。
    • 5. 发明申请
    • ADAPTIVE MODE SCANNING PROBE MICROSCOPE
    • 自适应模式扫描探针显微镜
    • WO2012104625A1
    • 2012-08-09
    • PCT/GB2012/050204
    • 2012-01-31
    • INFINITESIMA LIMITEDHUMPRHIS, Andrew
    • HUMPRHIS, Andrew
    • B82Y35/00G01Q10/06
    • G01Q10/04B82Y35/00G01Q10/065
    • A scanning probe microscope comprising a probe that is mechanically responsive to a driving force. A signal generator provides a drive signal to an actuator that generates the driving force, the drive signal being such as to cause the actuator to move the probe repeatedly towards and away from a sample. A detection system is arranged to output a height signal indicative of a path difference between light reflected from the probe and a height reference beam. Image processing apparatus is arranged to use the height signal to form an image of the sample. Signal processing apparatus is arranged to monitor the probe as the probe approaches a sample and to detect a surface position at which the probe interacts with the sample. In response to detection of the surface position, the signal processing apparatus prompts the signal generator to modify the drive signal.
    • 扫描探针显微镜,其包括机械地响应于驱动力的探针。 信号发生器向产生驱动力的致动器提供驱动信号,驱动信号使得致动器重复地朝向和远离样品移动探头。 检测系统被布置成输出指示从探针反射的光与高度参考光束之间的路径差的高度信号。 图像处理装置被配置为使用高度信号来形成样本的图像。 信号处理装置被布置成当探针接近样本并检测探针与样品相互作用的表面位置时监测探针。 响应于表面位置的检测,信号处理装置提示信号发生器修改驱动信号。
    • 10. 发明申请
    • PROBE DETECTION SYSTEM
    • 探测系统
    • WO2009147450A1
    • 2009-12-10
    • PCT/GB2009/050637
    • 2009-06-08
    • INFINITESIMA LTDHUMPHRIS, Andrew
    • HUMPHRIS, Andrew
    • G12B21/20G01N13/16G01B9/02
    • G01Q20/02G01B11/0608G01B2290/45G01Q10/065
    • A probe detection system (74) for use with a scanning probe microscope comprises both a height detection system (88) and deflection detection system (28). As a sample surface is scanned, light reflected from a microscopeprobe (16) is separated into two components. Afirstcomponent (84) is analysed by thedeflection detection system (28) and is used in a feedback systemthatmaintainsthe average probe deflection substantially constant during the scan. The second component (86) is analysed by the height detection system (88) from which an indication of the heightof the probe above a fixed reference point, and thereby an image of the sample surface, is obtained. Such a dual detection system is particularly suited for use in fast scanning applications in which thefeedback systemis unableto respond at the raterequired to adjust probe height betweenpixel positions.
    • 与扫描探针显微镜一起使用的探针检测系​​统(74)包括高度检测系统(88)和偏转检测系统(28)。 当扫描样品表面时,从微型探针(16)反射的光被分成两部分。 通过偏移检测系统(28)分析最初组件(84),并将其用于在扫描期间平均探针偏转基本恒定的反馈系统中。 通过高度检测系统(88)分析第二部件(86),从而可以获得在固定参考点之上的探头高度的指示,从而获得样品表面的图像。 这种双重检测系统特别适用于快速扫描应用,其中反馈系统不能以所需的速率响应以调整像素位置之间的探针高度。