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1. 发明授权

EP0964251B1 OPTICAL WAVEGUIDE PROBE AND ITS MANUFACTURING METHOD 有权
标题翻译：光纤探测器的制作工艺
公开(公告)号：EP0964251B1
公开(公告)日：2008-07-23
申请号：EP98959218.3
申请日：1998-12-15
申请人： Seiko Instruments Inc. , Sato, Kazuo , Shikita, Mitsuhiro
发明人： SATO, Kazuo , SHIKITA, Mitsuhiro , KATO, Kenji , SHINOGI, Masataka, Seiko Inst. R & D Center Inc. , NAKAJIMA, Kunio , CHIBA, Norio , ICHIHARA, Susumu , NIWA, Takashi , MITSUOKA, Yasuyuki , KASAMA, Nobuyuki
IPC分类号： G01N13/14 , G01N13/16 , G12B21/06 , G12B21/08
CPC分类号： G02B6/132 , G01B11/30 , G01Q60/06 , G01Q60/22 , G01Q60/38 , G02B6/241 , G02B6/262 , Y10S977/862
摘要： An optical waveguide probe which is formed into a hook shape by a manufacturing method using a silicon process and which emits a light from its tip for detection, comprising an optical waveguide (1) which is formed into a hook shape, the probe needle part (5) of which is sharpened and which is made of dielectric, and a board (2) supporting the optical waveguide (1) laminated on the board (2). The optical waveguide (1) is composed of a core (8) through which a light is transmitted and a cladding (9) whose refractive index is smaller than that of the core (8).

2. 发明公开

EP1107238A1 RECORDING MEDIUM, INFORMATION RECORDING DEVICE, AND INFORMATION REPRODUCING DEVICE 有权
标题翻译： AUFZEICHNUNGSMEDIUM，INFORMATIONSAUFZEICHNUNGSGERÄTSOWIEINFORMATIONSWIEDERGABEGERÄT
公开(公告)号：EP1107238A1
公开(公告)日：2001-06-13
申请号：EP99936991.1
申请日：1999-08-04
申请人： Seiko Instruments Inc.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , OUMI, Manabu , NIWA, Takashi , KATO, Kenji , MAEDA, Hidetaka
IPC分类号： G11B7/007 , G11B7/09
CPC分类号： G11B7/005 , G01Q80/00 , G11B7/007 , G11B7/0901 , G11B7/0904 , G11B7/0938 , G11B7/123 , G11B7/1387 , G11B7/24076 , G11B7/24085
摘要： An information recording medium and information reproducing apparatus by which information reproducing and tracking control can be made by the utilization of nearfield' light. On an information recording medium 3, a servo pattern zone is provided forming servo bits for tracking control. In this servo pattern zone, alternately arranged as servo both on a read-out track are a first groove having a depth constantly or gradually increasing in one direction perpendicular to bit a direction of the read-out track of a reproducing probe 1 and a depth direction of the medium and a second groove made reverse in depth increasing direction to the first groove. By making incident the near-field light 5 produced in a microscopic aperture 2 of the reproducing probe 1 on the servo pattern zone, it is possible to obtain a tracking detection signal that has a waveform different depending on a deviation from a center axis of the read-out track. According to the tracking detection signal, the reproducing probe 1 is controlled in position.
摘要翻译：一种信息记录介质和信息再现装置，通过利用近场光可以进行信息再现和跟踪控制。在信息记录介质3上，提供形成用于跟踪控制的伺服位的伺服模式区。在该伺服图案区域中，在读出轨迹上交替地设置为伺服，是在垂直于再现探头1的读出轨道的位置的一个方向上具有恒定或逐渐增加的深度的第一凹槽和深度所述介质的方向和与所述第一凹槽的深度增加方向相反地形成的第二凹槽。通过在伺服图案区域上使重现探头1的微小孔2中产生的近场光5入射，可以获得跟踪检测信号，该跟踪检测信号的波形与根据读出轨道。根据跟踪检测信号，将再现探头1控制在适当位置。

3. 发明授权

EP1022733B1 INFORMATION RECORDING MEDIUM AND INFORMATION REPRODUCING APPARATUS 有权
标题翻译：信息记录介质和信息再生装置
公开(公告)号：EP1022733B1
公开(公告)日：2006-09-13
申请号：EP99926950.9
申请日：1999-07-06
申请人： SEIKO INSTRUMENTS INC.
发明人： CHIBA, Norio , MITSUOKA, Yasuyuki , OUMI, Manabu , KASAMA, Nobuyuki , NIWA, Takashi
IPC分类号： G11B7/013 , G11B7/24
CPC分类号： G11B7/24085 , B82Y10/00 , G11B7/013 , G11B7/0901 , G11B7/0938 , G11B7/131 , G11B7/1384 , G11B7/1387 , G11B7/24
摘要： An information recording medium and an information reproducing apparatus capable of performing information reproduction and tracking control by using near-field light. A projecting data bit (12) having a triangular cross-section perpendicular to the direction of the track is formed as an information unit on an information recording medium (3). Near-field light produced by a reproduction probe (1) is scattered with a directivity by the slants of the data bit (12), and the reflected and scattered light is detected by reproduction photodetectors (6, 7) arranged symmetrically on both sides of the center axis of the reproduction probe (1) along the track. The detection signal is converted to a differential signal by a differential circuit (20) and the outputted differential signal drives an actuator (22) through a tracking signal generating circuit (21), and the position of the reproduction probe (1) is controlled for tracking control.

4. 发明公开

EP0964251A1 OPTICAL WAVEGUIDE PROBE AND ITS MANUFACTURING METHOD 有权
标题翻译： OPTISCHE WELLENLEITERSONDE UND DEREN HERSTELLUNGSVERFAHREN
公开(公告)号：EP0964251A1
公开(公告)日：1999-12-15
申请号：EP98959218.3
申请日：1998-12-15
申请人： Seiko Instruments Inc.
发明人： SATO, Kazuo , SHIKITA, Mitsuhiro , KATO, Kenji , SHINOGI, Masataka, Seiko Inst. R & D Center Inc. , NAKAJIMA, Kunio , CHIBA, Norio , ICHIHARA, Susumu , NIWA, Takashi , MITSUOKA, Yasuyuki , KASAMA, Nobuyuki
IPC分类号： G01N37/00 , G01B11/30
CPC分类号： G02B6/132 , G01B11/30 , G01Q60/06 , G01Q60/22 , G01Q60/38 , G02B6/241 , G02B6/262 , Y10S977/862
摘要： The present invention has an object to obtain an optical waveguide probe which is formed in a hook form to illuminate and detect light by a manufacture using a silicon process.
This optical waveguide probe is formed in a hook form and structured by an optical waveguide 1 sharpened at a probe needle portion 5 and formed of dielectric and a substrate 2 supporting this optical waveguide 1. This optical waveguide 1 is formed overlying the substrate 2. The optical waveguide 1 is structured by a core 8 to transmit light and a cladding 9 smaller in refractive index than the core 8.
摘要翻译：本发明的目的是获得一种形成为钩形的光波导探针，以通过使用硅工艺的制造来照亮和检测光。该光波导探针形成为钩形，并由在探针针5上被锐化并由电介质形成的光波导1和支撑该光波导1的基板2构成。该光波导1形成在基板2的上方。光波导1由芯8构成，以透射光和比核8更小的折射率的包层9

5. 发明授权

EP0986058B1 NEAR-FIELD OPTICAL HEAD 有权
标题翻译：场光学头
公开(公告)号：EP0986058B1
公开(公告)日：2005-10-26
申请号：EP99942601.8
申请日：1999-03-12
申请人： SEIKO INSTRUMENTS INC.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , NIWA, Takashi , NAKAJIMA, Kunio
IPC分类号： G11B7/135 , G11B7/12
CPC分类号： G11B7/22 , B82Y10/00 , G11B7/122 , G11B7/124
摘要： A near-field optical head enhanced in mechanical strength and therefore in head reliability, wherein the edge portion (23) of the head tip end (22) is constituted of a side (26) at which the bottom face (24) and the side face (25) of the head cross almost perpendicularly to each other. The edge portion (23), when observed microscopically (nm level), has a curved surface the radius of curvature (Rt) of which corresponding to a reproducible bit size to permit higher density recording as the radius of curvature (Rt) becomes smaller (sharper); the edge portion (23) with an angle determined by a crystal face capable of being produced when formed using anisotropic etching.

6. 发明公开

EP0996117A1 NEAR FIELD OPTICAL HEAD AND REPRODUCTION METHOD 有权
标题翻译： OPTISCHER NAHFELDKOPF UND WIEDERGABEVERFAHREN
公开(公告)号：EP0996117A1
公开(公告)日：2000-04-26
申请号：EP99918344.5
申请日：1999-05-07
申请人： Seiko Instruments Inc.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , NIWA, Takashi , NAKAJIMA, Kunio , KATO, Kenji , OUMI, Manabu
IPC分类号： G11B7/00 , G11B9/00 , G11B11/00 , G11B7/135 , G01B11/30 , G01N37/00 , G12B1/00
CPC分类号： G11B11/00 , B82Y10/00 , G11B9/1409 , G11B11/007 , G11B11/18 , G11B13/00
摘要： A near-field optical head which reproduces, with high S/N, information recorded with extreme density and is compact in structure. On an electrode (2) is formed a recording medium (3) that emits a light by applying an electric field. Brought into proximity to a recording medium (3) is a near-field optical head (101) having a slider (31) formed with an inverted cone formed hole such that an apex thereof is rendered as a microscopic aperture (6). A microscopic electrode (5) is formed on a side surface (32) of the inverted cone formed hole. An electric field (9) is applied only to a microscopic region to cause light emission. It is possible at the aperture (6) to detect a light emitted only by the microscopic region.
摘要翻译：具有高S / N的近场光学头以高密度记录并且结构紧凑的信息。在电极（2）上形成有通过施加电场而发光的记录介质（3）。靠近记录介质（3）的是近场光学头（101），其具有形成有倒锥形孔的滑块（31），使得其顶点形成为微小孔（6）。微型电极（5）形成在倒锥形孔的侧面（32）上。电场（9）仅施加到微观区域以引起发光。在孔（6）处可以检测仅由微观区域发射的光。

7. 发明授权

EP0996117B1 NEAR FIELD OPTICAL HEAD AND REPRODUCTION METHOD 有权
标题翻译：场光头和回放
公开(公告)号：EP0996117B1
公开(公告)日：2006-08-09
申请号：EP99918344.5
申请日：1999-05-07
申请人： SEIKO INSTRUMENTS INC.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , NIWA, Takashi , NAKAJIMA, Kunio , KATO, Kenji , OUMI, Manabu
IPC分类号： G11B7/00 , G11B9/00 , G11B11/00 , G11B7/135 , G01B11/30 , G01N37/00 , G12B1/00
CPC分类号： G11B11/00 , B82Y10/00 , G11B9/1409 , G11B11/007 , G11B11/18 , G11B13/00
摘要： A near field optical head of a compact structure for reproducing information recorded at a very high density, at a good S/N ratio. A recording medium (3) which emits a light on application of an electric field is formed on an electrode (2), and a near field optical head (101) in which an inverted conical hole is formed in a slider (31) with its top part as a minute aperture (6) is brought close to the recording medium (3). A minute electrode (5) is formed on a lateral side (32) of the inverted conical hole, and an electric field (9) is applied only to a minute area of the recording medium (3) so as to emit a light, thus enabling detection of only the light emission in the minute area at the aperture (6).

8. 发明授权

EP1107238B1 RECORDING MEDIUM, INFORMATION RECORDING DEVICE, AND INFORMATION REPRODUCING DEVICE 有权
标题翻译：记录介质，信息记录装置和信息再生装置
公开(公告)号：EP1107238B1
公开(公告)日：2004-11-03
申请号：EP99936991.1
申请日：1999-08-04
申请人： Seiko Instruments Inc.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , OUMI, Manabu , NIWA, Takashi , KATO, Kenji , MAEDA, Hidetaka
IPC分类号： G11B7/007 , G11B7/09
CPC分类号： G11B7/005 , G01Q80/00 , G11B7/007 , G11B7/0901 , G11B7/0904 , G11B7/0938 , G11B7/123 , G11B7/1387 , G11B7/24076 , G11B7/24085
摘要： An information reproducing apparatus for reproducing information from a track of an information recording medium (80) having the information recorded on it, the information reproducing apparatus comprising: a probe (83) having a microscopic aperture (84) for producing near-field light (5), wherein the microscopic aperture (84) is formed having an interval in a direction of the track, the interval increasing constantly or gradually in one direction perpendicular to both a direction along the track and a direction of a depth of the medium; photo-detecting means (6,7) for detecting reflection scattering light caused due to scattering of the near-field light (5) by the information and outputting a detection signal; and probe position control means (14) for controlling a position of the probe (83) according to an intensity of the detection signal.

9. 发明公开

EP1022733A1 INFORMATION RECORDING MEDIUM AND INFORMATION REPRODUCING APPARATUS 有权
标题翻译：信息资讯
公开(公告)号：EP1022733A1
公开(公告)日：2000-07-26
申请号：EP99926950.9
申请日：1999-07-06
申请人： Seiko Instruments Inc.
发明人： CHIBA, Norio , MITSUOKA, Yasuyuki , OUMI, Manabu , KASAMA, Nobuyuki , NIWA, Takashi
IPC分类号： G11B7/24
CPC分类号： G11B7/24085 , B82Y10/00 , G11B7/013 , G11B7/0901 , G11B7/0938 , G11B7/131 , G11B7/1384 , G11B7/1387 , G11B7/24
摘要： There is provided an information recording medium and an information reproducing apparatus capable of carrying out information reproduction and tracking control by utilizing near-field light. A data bit 12 of a convex having a section orthogonal to a tracking direction in a triangular shape is formed on an information recording medium 3 as an information unit, by scattering near-field light formed at a reproducing probe 1 at inclined faces of the data bit 12 with directionalities, fluxes of reflected and scattered light thereby are detected by reproduced light detectors 6 and 7 arranged symmetrically in a left and right direction relative to a central axis of the reproducing probe 1 along the tracking direction, a differential signal between the detected signals is outputted by a difference circuit 20 and an actuator 22 is driven by the differential signal via a tracking signal forming circuit 21 and a position of the reproducing probe 1 is controlled to carry out the tracking control.
摘要翻译：提供了一种能够通过利用近场光执行信息再现和跟踪控制的信息记录介质和信息再现装置。在信息记录介质3上形成具有与三维形状的跟踪方向正交的部分的凸起的数据位12作为信息单元，通过在数据的倾斜面处散射形成在再现探针1处的近场光具有方向性的位12，由此反射和散射光的通量由沿着跟踪方向相对于再现探头1的中心轴在左右方向上对称布置的再现光检测器6和7检测，检测到的差分信号信号由差分电路20输出，并且致动器22经由跟踪信号形成电路21由差分信号驱动，并且再现探头1的位置被控制以执行跟踪控制。

10. 发明公开

EP0986058A1 NEAR-FIELD OPTICAL HEAD 有权
标题翻译：近场光学头
公开(公告)号：EP0986058A1
公开(公告)日：2000-03-15
申请号：EP99942601.8
申请日：1999-03-12
申请人： Seiko Instruments Inc.
发明人： MITSUOKA, Yasuyuki , CHIBA, Norio , KASAMA, Nobuyuki , NIWA, Takashi , NAKAJIMA, Kunio
IPC分类号： G11B7/135
CPC分类号： G11B7/22 , B82Y10/00 , G11B7/122 , G11B7/124
摘要： There is provided a near-field optical head promoting reliability of a head by improving mechanical strength thereof. An edge portion 23 of a head front end portion 22 is constituted by a side 26 where a bottom face 24 and a side face 25 of the head intersect with each other. The bottom face 24 and the side face 25 intersect with each other substantially orthogonally. When the edge portion 23 is viewed microscopically (nm level), the edge portion 23 is provided with a curved face. A radius of curvature Rt thereof corresponds with a reproducible bit size and the smaller (the sharper) of the radius of curvature Rt, the higher density recording can be carried out. The edge portion 23 can be fabricated at an angle determined by crystal faces when the edge portion 23 is formed by using anisotropic etching of Si.
摘要翻译：提供了一种通过改善其机械强度来提高头部可靠性的近场光学头。头前端部分22的边缘部分23由头部的底面24和侧面25彼此相交的侧面26构成。底面24和侧面25基本上正交地相互交叉。当微观地观察边缘部分23（nm水平）时，边缘部分23设置有曲面。其曲率半径Rt与可再现的位尺寸相对应并且曲率半径Rt越小（越尖锐），可以执行更高密度的记录。当通过使用Si的各向异性蚀刻形成边缘部分23时，可以以由晶面确定的角度来制造边缘部分23。

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