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    • 6. 发明申请
    • INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS, OPTICAL INFORMATION RECORDING AND REPRODUCING METHOD AND MANUFACTURING METHOD OF INFORMATION RECORDING MEDIUM
    • 信息记录介质,光信息记录和再现装置,光信息记录和再现方法以及信息记录介质的制造方法
    • US20120113772A1
    • 2012-05-10
    • US13384891
    • 2010-07-20
    • Teruhiro ShionoNoboru Yamada
    • Teruhiro ShionoNoboru Yamada
    • G11B13/04G11B7/1374B05D5/06G11B7/26
    • G11B7/252G11B7/1378G11B7/24038G11B7/24085G11B7/26G11B2007/0013G11B2007/13727
    • To provide an information recording medium which is capable of reducing damage to a recording layer while improving environmental resistance of the recording layer and which enables information to be recorded or reproduced at a high density and a high sensitivity, an optical information recording and reproducing apparatus, an optical information recording and reproducing method, and a manufacturing method of an information recording medium. An information recording medium (24) includes: a substrate (1); first to mth (where m is an integer equal to or greater than 1) recording layers (2) respectively provided on an incident side of recording light or reproducing light with respect to the substrate (1) in order of distance closer to the incident side; and first to mth (where m is an integer equal to or greater than 1) negative refractive index layers (3) respectively provided on the incident side of the recording light or the reproducing light with respect to the mth recording layer (2) in order of distance closer to the incident side, wherein an ith (1≦i≦m) recording layer (2) and an ith negative refractive index layer (3) are alternately provided on the substrate (1), and the first to mth negative refractive index layers (3) effectively have a negative refractive index at a wavelength of the recording light or the reproducing light.
    • 为了提供一种信息记录介质,其能够在改善记录层的环境阻力的同时降低对记录层的损害,并且能够以高密度和高灵敏度进行记录或再现的信息,光信息记录和再现装置, 光信息记录和再现方法以及信息记录介质的制造方法。 信息记录介质(24)包括:基板(1); 分别设置在记录光的入射侧的记录层(2)或者相对于基板(1)再次发光的记录层(2)的距离更靠近入射侧的第一到第m(其中m是等于或大于1的整数) ; 和第一至第m(其中m是等于或大于1的整数)负折射率层(3)相对于第m个记录层(2)分别设置在记录光或再现光的入射侧上 的距离更靠近入射侧,其中在基板(1)上交替地设置第i(1≦̸ i≦̸ m)记录层(2)和第i负折射率层(3),并且第一至第m负折射率 折射率层(3)在记录光或再现光的波长处有效地具有负折射率。
    • 9. 发明授权
    • Confocal optical device and spherical-aberration correction method
    • 共焦光学装置和球面像差校正方法
    • US07477407B2
    • 2009-01-13
    • US11268663
    • 2005-11-08
    • Tatsuo ItohTeruhiro ShionoKazuya Hisada
    • Tatsuo ItohTeruhiro ShionoKazuya Hisada
    • G01B11/28
    • G01B11/0616G01B9/04G02B21/0072
    • A confocal optical device and a spherical-aberration correction method reduce the generation of spherical aberration. This confocal optical device includes a drive mechanism which moves a sample board to change the distance between an objective lens and the sample board. A spherical-aberration correction element is disposed between a light source and the objective lens. A reference-position detection section, based on a detection result by a photo-detector, detects the position of the sample board when the focal position of the objective lens coincides with the surface of the sample. A movement-distance derivation section, based on a detection result by the photo-detector, calculates a distance by which the sample board is moved until the focal position of the objective lens coincides with an object to be measured inside of the sample, and derives the depth at which the measured object is located in the sample. A correction control section controls the spherical-aberration correction element according to the inside-sample depth of the measured object.
    • 共焦光学装置和球面像差校正方法减少了球面像差的产生。 该共焦光学装置包括驱动机构,该驱动机构移动样品板以改变物镜与样品板之间的距离。 在光源和物镜之间设置球面像差校正元件。 当基准位置检测部分基于光检测器的检测结果,当物镜的焦点位置与样品的表面一致时,检测样品板的位置。 基于光检测器的检测结果的运动距离导出部分计算样品板移动到物镜的焦点位置与样品内部待测物体重合的距离,并导出 测量对象位于样品中的深度。 校正控制部根据测量对象的内部样本深度控制球面像差校正元件。