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    Optical waveguide probe and manufacturing method of the same, and scanning near-field optical microscope
    46.
    发明授权
    Optical waveguide probe and manufacturing method of the same, and scanning near-field optical microscope 失效
    光波导探头及其制造方法相同，并扫描近场光学显微镜

    公开(公告)号：US06744030B2

    公开(公告)日：2004-06-01

    申请号：US09837836

    申请日：2001-04-18

    申请人： Yasuyuki Mitsuoka ,  Takashi Niwa ,  Kenji Kato ,  Manabu Oumi ,  Nobuyuki Kasama ,  Susumu Ichihara

    发明人： Yasuyuki Mitsuoka ,  Takashi Niwa ,  Kenji Kato ,  Manabu Oumi ,  Nobuyuki Kasama ,  Susumu Ichihara

    IPC分类号： H01J314

    CPC分类号： G01Q60/06 ,  G01Q60/22 ,  G02B6/241 ,  Y10S977/862

    摘要： An optical waveguide probe is disclosed which is used for a scanning near-field optical microscope, has a low light propagation loss, and is capable of performing an AFM operation, and a manufacturing method thereof is disclosed. The vicinity of the tip of an optical waveguide 2 is bent toward a side of a probe portion 9 through a plurality of surfaces symmetrical with respect to a plane including an optical axis of the optical waveguide 2. By this, a loss of a propagated light 7 at a bent portion 10 is reduced, and the propagated light 7 can be condensed to a minute aperture 5, so that near-field light can be efficiently emitted from the minute aperture 5.

    摘要翻译： 公开了一种用于扫描近场光学显微镜的光波导探针，具有低的光传播损耗，并且能够执行AFM操作，并且公开了其制造方法。 光波导2的尖端附近通过相对于包括光波导2的光轴的平面对称的多个表面朝向探针部分9的一侧弯曲。由此，传播光的损失 在弯曲部分10处的光线减少，并且传播的光7可以被冷凝到微小的光圈5，使得近场光可以从微小孔5有效地发射。

    Recording medium having information reproducible using near-field light
    47.
    发明授权
    Recording medium having information reproducible using near-field light 失效
    具有使用近场光可再现的信息的记录介质

    公开(公告)号：US06587426B1

    公开(公告)日：2003-07-01

    申请号：US09495275

    申请日：2000-01-31

    申请人： Manabu Oumi ,  Yasuyuki Mitsuoka ,  Norio Chiba ,  Nobuyuki Kasama ,  Kenji Kato ,  Takashi Niwa

    发明人： Manabu Oumi ,  Yasuyuki Mitsuoka ,  Norio Chiba ,  Nobuyuki Kasama ,  Kenji Kato ,  Takashi Niwa

    IPC分类号： G11B724

    CPC分类号： B82Y10/00 ,  G11B7/005 ,  G11B7/12 ,  G11B7/24

    摘要： A recording medium and near-field optical probe utilizing near-field light to achieve high density of information recording and hence enhance resolution in reproducing. A phase shift arrangement layer is formed arranged alternately with a phase shifter region to cause shift by 180 degrees in incident light and a transmission region transparent for a wavelength of the incident light. Furthermore, a row of data marks are arranged in a position above the phase shifter regions and transmission region. Due to this, cancellation is made between spread of near-field light due to incident light transmitted through the phase shifter region and spread of near-field light due to incident light transmitted through the transmission region, providing sharpness in an intensity distribution of near-field light over the data mark. Also, a phase shifter is provided at a through-hole of the near-field optical probe, enabling to produce more localized near-field light.

    摘要翻译： 利用近场光的记录介质和近场光学探针实现高密度信息记录，从而提高再现中的分辨率。一种移相排列层与移相器区域交替地形成，以使事件偏移180度 光和对入射光的波长透明的透射区域。 此外，一排数据标记被布置在移相器区域和透射区域上方的位置。 由此，由于通过移相器区域传播的入射光和由于透射透射区域的入射光而引起的近场光的扩散，导致的近场光的扩散之间的消除，提供近场光的强度分布的锐度， 数据标记上的场灯。 此外，在近场光学探针的通孔处设置有移相器，能够产生更局部的近场光。

    Near-field light generating element, method of manufacturing near-field light generating element, near-field light head, method of manufacturing near-field light head, and information recording and playback device
    49.
    发明授权
    Near-field light generating element, method of manufacturing near-field light generating element, near-field light head, method of manufacturing near-field light head, and information recording and playback device 有权
    近场光产生元件，近场光产生元件的制造方法，近场光头，近场光头的制造方法以及信息记录再现装置

    公开(公告)号：US08755255B2

    公开(公告)日：2014-06-17

    申请号：US13199954

    申请日：2011-09-13

    申请人： Masakazu Hirata ,  Manabu Oumi

    发明人： Masakazu Hirata ,  Manabu Oumi

    IPC分类号： G11B11/00

    CPC分类号： G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A method of manufacturing a near-field light generating element includes a first cladding forming process of forming a first cladding on a substrate, a near-field light generation portion forming process of forming a metal film base material on the first cladding, a core forming process of forming a core base material so as to cover the metal film base material, a single patterning process of collectively patterning the core base material and the metal film base material to form the core and the metal film, respectively, and a second cladding forming process of forming a second cladding so as to interpose the core between the second cladding and the first cladding.

    摘要翻译： 一种制造近场光产生元件的方法包括在基片上形成第一包层的第一包层形成工艺，在第一包层上形成金属膜基材的近场光产生部分形成工艺，形成芯 形成芯基材以覆盖金属膜基材的方法，分别对芯基材和金属膜基材共同构图以形成芯和金属膜的单一图案化工艺，以及第二包层成型 形成第二包层以便将芯插入第二包层和第一包层之间的过程。

    Near-field light generating element, near-field light head, and information recording and reproducing device
    50.
    发明授权
    Near-field light generating element, near-field light head, and information recording and reproducing device 有权
    近场光产生元件，近场光头以及信息记录和再现装置

    公开(公告)号：US08493819B2

    公开(公告)日：2013-07-23

    申请号：US13414789

    申请日：2012-03-08

    申请人： Masakazu Hirata ,  Norio Chiba ,  Manabu Oumi

    发明人： Masakazu Hirata ,  Norio Chiba ,  Manabu Oumi

    IPC分类号： G11B11/00

    CPC分类号： G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A metal film is included which is placed between a core and a cladding, propagates a laser beam along an interface between the core and the cladding, and generates a near-field light from the laser beam. The metal film has a base portion placed on one side surface of the core along a propagation direction of the laser beam facing from one end side toward the other end side, and an extending portion extended from the other end side of the base portion to the other end side in the propagation direction rather than the core. The other end side of the extending portion is exposed to the outside, and is formed with a top portion projected toward the core side when viewed from the propagation direction.

    摘要翻译： 包括放置在芯和包层之间的金属膜，沿着芯和包层之间的界面传播激光束，并且从激光束产生近场光。 金属膜具有沿着从一端侧朝向另一端侧的激光束的传播方向设置在芯的一个侧面上的基部，以及从基部的另一端侧延伸到 另一端在传播方向而不是核心。 延伸部分的另一端暴露于外部，当从传播方向观察时，形成有朝向芯侧突出的顶部。