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    • 31. 发明授权
    • Scanning probe microscope and specimen observation method
    • 扫描探针显微镜和标本观察法
    • US07067806B2
    • 2006-06-27
    • US11077904
    • 2005-03-11
    • Masahiro WatanabeToshihiko Nakata
    • Masahiro WatanabeToshihiko Nakata
    • G01N13/16G01B5/28
    • G01Q10/06G01Q10/02G01Q20/02G01Q60/32Y10S977/852
    • In order to provide a scanning probe microscope capable of measuring with high throughput distribution information relating to local characteristics of a sample concurrently with accurate three-dimensional shape information of the sample without damaging the sample, the speed of approach to each measurement location is increased by controlling the approach of the sample and probe by the provision of a high-sensitivity proximity sensor of the optical type. Also, additional information relating to the distribution of material quality on the sample can be obtained without lowering the scanning speed by: applying a voltage to the probe, or measuring the response on vibrating the probe, or detecting the local optical intensity of the sample surface concurrently with obtaining sample height data and concurrently with the contact period with the sample, whilst ensuring that the probe is not dragged over the sample, by bringing the probe into contact with the sample intermittently.
    • 为了提供一种扫描探针显微镜,能够与样品的局部特性相关的高通量分布信息同时测量而不损害样品的准确的三维形状信息,因此,每个测量位置的接近速度通过 通过提供光学类型的高灵敏度接近传感器来控制样品和探针的接近。 此外,通过以下方式可以获得关于样品的材料质量分布的附加信息,而不降低扫描速度:向探针施加电压,或测量振动探针时的响应,或检测样品表面的局部光强度 同时获得样品高度数据,同时与样品的接触期,同时确保探针未被拖动到样品上,通过使探针间断地与样品接触。
    • 39. 发明申请
    • Method and its apparatus for measuring displacement of a specimen
    • 测量样品位移的方法及其装置
    • US20090073457A1
    • 2009-03-19
    • US12153227
    • 2008-05-15
    • Toshihiko NakataMasahiro Watanabe
    • Toshihiko NakataMasahiro Watanabe
    • G01B11/02
    • G01B9/02081G01B9/02018G01B2290/30G01B2290/70
    • In measuring the displacement of an object using the phase-shifting light interference, since three beam splitters were used for generating the four phase-shifting optical paths, an interferometer was increased in size, whereby the application objects were limited. Also, to solve an essential problem that if there is a disturbance such as a temperature distribution, a humidity distribution, an air pressure distribution, a density distribution or an air flow change on the phase-shifting optical paths, a measurement error occurs, the four phase-shifting optical paths are produced spatially in parallel by combining a four division prism with a photonic crystal λ/4 element and a photonic crystal polarizing element arranged like an array, constructing a small light interference displacement sensor in the invention, whereby the application objects are expanded, and the microscopic displacement or surface roughness of the object can be measured at a resolution of sub nanometer or less and with high reproducibility without influence of the disturbance.
    • 在使用相移光干涉来测量物体的位移时,由于使用三个分束器来产生四个移相光路,因此干涉仪的尺寸增加,由此施加物体受到限制。 此外,为了解决如果在移相光路上存在诸如温度分布,湿度分布,空气压力分布,密度分布或气流变化等干扰的测量误差,则发生测量误差, 通过组合四分割棱镜与光子晶体λ/ 4元件和排列成阵列的光子晶体偏振元件在本发明中构成小型光干涉位移传感器,四个相移光路被空间地产生,由此应用 物体被扩大,并且物体的微观位移或表面粗糙度可以以亚纳米或更小的分辨率测量,并且具有高重现性而不受干扰的影响。