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1. 发明授权

US5212987A Acoustic screen scan microscope for the examination of an object in the short-range field of a resonant acoustic oscillator 失效
标题翻译：声屏扫描显微镜，用于在谐振声振荡器的短距离场中检查物体
公开(公告)号：US5212987A
公开(公告)日：1993-05-25
申请号：US794610
申请日：1991-11-15
申请人： Klaus Dransfeld , Ulrich Fischer , Peter Guethner , Knut Heitmann
发明人： Klaus Dransfeld , Ulrich Fischer , Peter Guethner , Knut Heitmann
IPC分类号： G01H3/12 , G01H13/00 , G01N29/06
CPC分类号： G01Q60/22 , B82Y20/00 , B82Y35/00 , G01H13/00 , G01H3/125 , G01N29/06 , Y10S977/849 , Y10S977/86 , Y10S977/862 , Y10S977/869 , Y10S977/881
摘要： An acoustic scanning microscope uses damping of a resonant acoustic oscillator and an acoustic near-field effect. In a preferred embodiment, a 32 KHz tuning fork serving as an acoustic oscillator with a 50 nm point achieves a vertical resolution of 5 nm and a horizontal resolution of 50 nm in the case of a minimum distance of approximately 50 nm. Frequency or amplitude variation of the resonant acoustic oscillator can be used. The acoustic near-field effect is dependent on the coupling medium, e.g., air, and the pressure, e.g., normal pressure.
摘要翻译：声学扫描显微镜使用谐振声振荡器的阻尼和声学近场效应。在优选实施例中，作为具有50nm点的声振荡器的32KHz音叉在最小距离为大约50nm的情况下实现5nm的垂直分辨率和50nm的水平分辨率。可以使用谐振声振荡器的频率或振幅变化。声学近场效应取决于耦合介质，例如空气，以及压力，例如常压。

2. 发明授权

US4785437A Process for reading-out information from electrically polarizable data carriers by means of electron beams 失效
标题翻译：通过电子束从电极化数据载体读出信息的过程
公开(公告)号：US4785437A
公开(公告)日：1988-11-15
申请号：US806246
申请日：1985-12-04
申请人： Klaus Dransfeld
发明人： Klaus Dransfeld
IPC分类号： G11B9/02 , G11B9/10 , G11B13/00 , G11B11/08 , G11B13/04
CPC分类号： G11B13/00 , G11B9/02 , G11B9/10
摘要： The information recorded in the data carrier in the form of a locally variable electric polarization is scanned and selected by means of an electron beam. For this purpose, the secondary electrons produced on the surface of the data carrier are used. The data carrier is simultaneously either periodically heated by radiating electromagnetic waves or charged with ultrasonics. Potential fluctuations of equal frequency thereby arise on the surface of the data carrier dependent on local polarization, which fluctuations result in a modulation of the secondary electrons. The secondary electron flow thus receives information via the polarization conditions stored in the data carrier. To recover this information, the secondary electron flow is frequency-selectively amplified and electronically evaluated according to amount and/or phase. A polyvinylidene flouride film (PVDF) is preferably used as data carrier.
摘要翻译：通过电子束扫描和选择以局部可变电极化形式记录在数据载体中的信息。为此，使用在数据载体的表面上产生的二次电子。数据载体同时通过辐射电磁波周期性地加热或用超声波进行充电。因此，依赖于局部极化的数据载体的表面上出现相等频率的电位波动，该波动导致二次电子的调制。因此，二次电子流通过存储在数据载体中的极化条件接收信息。为了恢复该信息，二次电子流被频率选择性地放大并根据量和/或相电子评估。优选使用聚偏二氟乙烯膜（PVDF）作为数据载体。

3. 发明授权

US4669313A Method and apparatus for local selective detection and generation of polar structure alignments in microscopic object areas 失效
标题翻译：用于局部选择性检测和在微观对象区域中产生极性结构对准的方法和装置
公开(公告)号：US4669313A
公开(公告)日：1987-06-02
申请号：US733189
申请日：1985-05-13
申请人： Klaus Dransfeld , Knut Heitmann
发明人： Klaus Dransfeld , Knut Heitmann
IPC分类号： G01N29/24 , G01N29/06 , G01N29/00
CPC分类号： G01N29/06
摘要： Polar structures in microscopic object areas, such as, for example, electric or magnetic dipoles, can be locally selectively detected with high resolution if either resonant ultrasonic waves are induced in the object area by a locally effective high-frequency field and are detected by means of a focused acoustic lens arrangement, or electric or magnetic high-frequency oscillations are induced in the object area by focused ultrasonic waves and are detected by an appropriate receiver. By comparing the phases and/or amplitudes of the induced and of the detected waves, these provide information on the existence and the direction of the dipoles. Existing dipole alignments can be made energetically unstable by a critical direct-current electric or magnetic field and locally selectively reversed by the focused ultrasonic beam.
摘要翻译：如果通过局部有效的高频场在对象区域中感应到共振超声波，并且通过装置检测到，在微观物体区域中的极地结构，例如电或磁偶极子可以以高分辨率被局部选择性地检测聚焦的声透镜布置，或者通过聚焦的超声波在对象区域中引起电或磁高频振荡，并由适当的接收器检测。通过比较感应波和检测波的相位和/或振幅，这些提供关于偶极子的存在和方向的信息。现有的偶极对准可以由临界直流电场或磁场在能量上不稳定，并且被聚焦的超声波束局部选择性反转。

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