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    • 4. 发明公开
    • Recording apparatus
    • 在Nahfeld - Aufzeichnungs- und Wiedergabe-Gerät的Kontrolle des Abstands
    • EP1939871A1
    • 2008-07-02
    • EP08075135.7
    • 1999-03-12
    • Seiko Instruments Inc.
    • Kasama, NobuyukiMitsuoka, YasuyukiOumi, ManabuKato, KenjiNiwa, TakashiNakajima, KunioChiba, Norio
    • G11B7/135G11B7/09
    • G11B7/0908B82Y10/00G11B7/127G11B7/1275G11B7/1387Y10S977/862Y10S977/947
    • The invention concerns a recording apparatus for reproducing information recorded on a recording medium by utilising near-field light. The recording apparatus comprises: an aperture element having a microscopic aperture to scatter near-field light; a light illuminating means for introducing illumination light to the recording medium such that near-field light is created on a surface of the recording medium, the illumination light comprising two different modulation frequencies; a first light detecting means for detecting first propagation light caused by the microscopic aperture scattering the near-field light having one of the two modulation frequencies, and for converting the detected first propagation light into a reproduced signal; a second light detecting means for detecting second propagation light caused by the microscopic aperture scattering the near-field light having the other of the two modulation frequencies, and for converting the detected second propagation light into a control signal; and a control means for controlling a spacing between the aperture element and the recording medium based on the control signal.
    • 本发明涉及用于通过利用近场光来再现记录在记录介质上的信息的记录装置。 记录装置包括:具有微观孔径以散射近场光的孔径元件; 照明装置,用于将照明光引入记录介质,使得在记录介质的表面上产生近场光,所述照明光包括两个不同的调制频率; 第一光检测装置,用于检测由微小孔散射引起的具有两个调制频率之一的近场光的第一传播光,并将检测到的第一传播光转换成再现信号; 第二光检测装置,用于检测由微小孔径散射具有两个调制频率中的另一个的近场光引起的第二传播光,并将检测到的第二传播光转换成控制信号; 以及控制装置,用于根据控制信号控制孔径元件和记录介质之间的间隔。
    • 7. 发明公开
    • Scanning near-field optic/atomic force microscope
    • 光近场原子力显微镜扫描
    • EP0846932A3
    • 2000-12-20
    • EP98101571.2
    • 1994-10-28
    • SEIKO INSTRUMENTS INC.
    • Chiba, NorioMuramatsu, Hiroshi
    • G01B7/34G02B21/00
    • G01Q60/06G01Q60/22G01Q60/38
    • The present invention relates to a scanning near-field optic/atomic force microscope adapted to observe topography and optical characteristics of a sample (13), said microscope comprising: a cantilever (2) having a probe (1) in an end portion thereof consisting primarily of a lightpropagating medium having an optical opening for passing light, said optical opening forming a sharp front end; a light-transmitting device (6) having a light-transmitting optical opening in both ends thereof, wherein one of said ends of said light-transmitting device is disposed close to a back surface of said probe (1); a light source (10) and optics (11, 12) for generating a light to measure a feature of the sample (13) and for directing generated light to the sample (13); a photoelectric converter device (7) and optics for receiving light from the sample (13); a deflection-detecting means for optically detecting deflection of said cantilever (2), comprising a light source (3) for generating a laser light for use of deflection-detection; a condenser lens (4) for directing the laser light to a back surface of said cantilever (2); and another photoelectric converter device (5) and optics for detecting reflected light from back surface of said cantilever (2); a motion mechanism (21, 22) for making a relative movement between the sample and said probe; and a gap control means (23) for controlling a distance between the surface of the sample (13) and the sharp front end of said probe (1);    wherein the the probe (1) of the cantilever (2) comprises an overhang portion (43) and the condenser lens (4) directs the laser light to said overhang portion (43).
    • 8. 发明公开
    • Scanning near-field optic/atomic-force microscope, probe for use in same, and method of fabricating said probe
    • 合并的近场为原子力显微镜探针及其制造探针法
    • EP0884617A1
    • 1998-12-16
    • EP98112393.8
    • 1994-04-06
    • SEIKO INSTRUMENTS INC.
    • Matsumura, HiroshiChiba, NorioAtaka, TatsuakiFujihira, Masamichi
    • G02B21/00G01B7/34
    • G01Q30/02G01Q60/06G01Q60/22G01Q60/38G01Q70/02G02B6/241Y10S977/862Y10S977/863Y10S977/871Y10S977/951
    • A combined scanning near field optical and atomic force microscope (NSOM/AFM) capable of measuring the topography and the optical characteristics of the surface of a sample (37) at high resolution irrespective of the transmittance and the conductivity of the sample is described. The apparatus, in one embodiment, comprises a probe (4), a light source for illuminating a sample with light (34), a photoelectric converter device (38) and optics for receiving light transmitted through the sample, a laser (30) for detecting deflections of the probe, a condenser lens (31) for directing the laser light on to the rear surface of the probe, a detection system for detecting reflected light (32,33), a rough-motion mechanism (39) and a fine-motion mechanism (40) for moving the sample and the probe relative to each other, a control means for controlling the distance between the sample and the probe, and a computer (42) for controlling the whole apparatus. The probe, comprising a cladded single mode optical fibre, has a front end portion and a light-propagating body continuous with the front end portion. The front end portion and the light-propagating body are shaped like a hook. A method for manufacturing the probe is described.
    • 近场光学和原子力显微镜(NSOM / AFM)能够测量形貌和高分辨率的样品(37)的表面的光学特性而与透射率和样品的导电性的组合扫描进行说明。 的装置,在一个实施例中包括的样本(4),一个光源,用于照明光(34)的样品,一个光电转换装置(38)和光学器件,用于接收光反通过样品mitted,激光(30),用于 检测探针,聚光透镜(31)的偏转上的样品的后表面引导激光光中,用于检测的检测系统反射的光(32,33),一个粗动机构(39)和一个细 用于移动样品和相对于海誓山盟探针 - 运动机构(40),一个控制装置,用于控制样品和探针,和用于控制整个装置的计算机(42)之间的距离。 样品,包括熔覆单模光纤,具有前端部和一个光传播体的前端部连续。 前端部和所述光传播主体的形状像一个钩子。 描述了一种用于制造样品的方法。
    • 9. 发明公开
    • Distance control in optical near-field recording/reproducing apparatus
    • Kontrolle des Abstands in Nahfeld- Aufzeichnungs- und Wiedergabe-Gerät
    • EP1942501A1
    • 2008-07-09
    • EP08075136.5
    • 1999-03-12
    • Seiko Instruments Inc.
    • Kasama, NobuyukiChiba, NorioMitsuoka, YasuyukiOumi, ManabuKato, KenjiNiwa, TakashiNakajima, Kunio
    • G11B7/135G11B7/09
    • G11B7/0908B82Y10/00G11B7/127G11B7/1275G11B7/1387Y10S977/862Y10S977/947
    • The invention concerns a recording apparatus for reproducing information recorded on a recording medium by utilising near-field light. The recording apparatus comprises: an aperture element having two microscopic apertures to scatter near-field light; a light illuminating means for introducing illumination light to the recording medium such that near-field light is created on a surface of the recording medium; a first light detecting means for detecting first propagation light caused by one of the microscopic apertures scattering the near-field light and for converting the detected first propagation light into a reproduced signal the reproduced signal representative of recorded information; a second light detecting means for detecting second propagation light caused by the other of the microscopic apertures scattering the near-field light, and for converting the detected second propagation light into a control signal, the control signal for use in controlling the spacing between the aperture element and the recording medium; and a control means for controlling a spacing between the aperture element and the recording medium based on the control signal.
    • 本发明涉及用于通过利用近场光来再现记录在记录介质上的信息的记录装置。 记录装置包括:具有两个微小孔径的孔径元件,用于散射近场光; 光照射装置,用于将照明光引入记录介质,使得在记录介质的表面上产生近场光; 第一光检测装置,用于检测散射近场光的微小孔之一引起的第一传播光,并将检测到的第一传播光转换成再现信号,表示记录信息的再现信号; 第二光检测装置,用于检测由另一个微观孔径散射近场光的第二传播光,并将检测到的第二传播光转换成控制信号,该控制信号用于控制孔径之间的间隔 元件和记录介质; 以及控制装置,用于根据控制信号控制孔径元件和记录介质之间的间隔。
    • 10. 发明公开
    • OPTICAL CANTILEVER AND PRODUCTION METHOD THEREFOR
    • OPTISCHER AUSLEGERFÜRRASTERMIKROSKOP UND DESSEN HERSTELLUNGSVERFAHREN
    • EP1130379A1
    • 2001-09-05
    • EP99951218.9
    • 1999-11-02
    • Seiko Instruments Inc.
    • Niwa, TakashiIchihara, SusumuMitsuoka, YasuyukiKato, KenjiChiba, NorioOumi, ManabuKasama, Nobuyuki
    • G01N13/14G01N13/16G01B21/30G12B21/06G12B21/08
    • G01Q20/02G01Q60/22
    • There is provided an optical cantilever which is an optical cantilever for SNOM for irradiating and / or detecting light to or from a very small aperture, and is excellent in mass production performance and uniformity and capable of observing even a soft sample at high speed without damaging the sample.
      There is provided an optical cantilever characterized in including a base portion 1, a cantilever portion 2 extended from the base portion 1, a light propagating portion 5 of a dielectric member penetrating the cantilever portion 2, formed to project above the cantilever on a side opposed to the base portion and having a sharpened front end and a light propagating tip 3, a light shielding film 6 covering a surrounding of the sharpened dielectric member and a very small aperture 4 formed at the sharpened front end of the dielectric member.
    • 提供了一种光学悬臂,其是用于向非常小的孔径照射和/或检测光的SNOM的光学悬臂,并且具有优异的批量生产性能和均匀性,并且甚至可以高速地观察软样品而不损坏 例子。 提供了一种光学悬臂,其特征在于包括基部1,从基部1延伸的悬臂部分2,穿透悬臂部分2的电介质构件的光传播部分5,形成为在悬臂的相对侧上突出 并且具有锋利的前端和光传播尖端3,覆盖锐化电介质构件的周围的遮光膜6和形成在电介质构件的锋利前端的非常小的孔4。