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1. 发明专利

JP2004145921A Optical pickup and disk device using the same 审中-公开
公开(公告)号：JP2004145921A
公开(公告)日：2004-05-20
申请号：JP2002306891
申请日：2002-10-22
申请人： Hitachi Ltd , Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス , 株式会社日立製作所
发明人： OCHI MANABU , SATAKE MITSUO , KATO MORIKAZU , KIMURA KATSUHIKO
IPC分类号： G11B7/085 , G11B7/12
摘要： PROBLEM TO BE SOLVED: To prevent the performance deterioration, lifetime shortening and malfunction of a heating part in an optical pickup and a disk device using the same.
SOLUTION: Between two guiding shafts 44 and 45, an optical pickup box 51 which is moved in the axial direction of the guiding shafts guided by the two guiding shafts is arranged. The optical pickup box 51 is provided with a semiconductor laser 56 for emitting laser beams for recording/reproducing information of a disk, and a laser drive circuit 58 for drive-controlling a semiconductor laser. Between the semiconductor laser 56 or a semiconductor laser fitting member 57 for fixing the semiconductor laser and the guiding shaft 45 which is located on a side at a shorter distance from the semiconductor laser 56 of the two guiding shafts 44 and 45, a heat radiation member 81 made of material with heat conductivity higher than that of the optical pickup box 51 for thermally connecting both of them is installed. Between the laser drive circuit 58 and the guiding shaft 44, a heat radiation member 82 made of material with heat conductivity higher than that of the optical pickup box for thermally connecting both of them is installed.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2003051133A Optical disk device 有权
标题翻译：光盘设备
公开(公告)号：JP2003051133A
公开(公告)日：2003-02-21
申请号：JP2001240050
申请日：2001-08-08
申请人： Hitachi Ltd , Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス , 株式会社日立製作所
发明人： KIMURA KATSUHIKO , SATAKE MITSUO , ITO TETSUO
IPC分类号： G11B7/09
摘要： PROBLEM TO BE SOLVED: To provide a small optical disk device with improved reliability.
SOLUTION: The device is equipped with a lens 1 for converging light on an optical disk, a leans holder 2 for supporting the lens mounted on it, and means 3, 4 for moving the lens in the direction along the optical disk surface and in the direction approaching to or receding from the lens. The lens is positioned on the optical disk, and recording or reproduction is performed on the optical disk. The means for arranging the lens close to or away from the optical disk surface is provided in the lean holder and equipped with holes in which yokes 9, 10 are arranged, coils 3, 4 which are disposed around the yokes on the inner circumferential surface of the holes, and a member with which the yokes come into contact with a space apart from the coils concurrently with the movement along the optical disk surface.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供可靠性提高的小型光盘装置。解决方案：该装置配备有用于将光聚光在光盘上的透镜1，用于支撑安装在其上的透镜的倾斜保持器2以及用于沿着光盘表面的方向移动透镜的装置3,4，方向接近或离开镜头。透镜位于光盘上，并在光盘上执行记录或再现。用于将透镜布置在光盘表面附近或远离光盘表面的装置设置在倾斜保持器中，并且配备有布置有轭9,10的孔，线圈3,4设置在围绕着轭的内圆周表面上的轭孔，以及与沿着光盘表面的移动同时与线圈隔开的空间与轭体接触的构件。

3. 发明专利

JP2003045059A Device for driving disk 有权
标题翻译：驱动盘设备
公开(公告)号：JP2003045059A
公开(公告)日：2003-02-14
申请号：JP2001227236
申请日：2001-07-27
申请人： Hitachi Ltd , Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス , 株式会社日立製作所
发明人： YAMAUCHI YOSHIAKI , KIMURA KATSUHIKO , SATAKE MITSUO , OCHI MANABU , KATO MORIKAZU
IPC分类号： G11B7/00 , G11B7/12 , G11B7/125 , G11B33/14
CPC分类号： G11B7/127 , G11B7/123 , G11B33/1406 , G11B2007/0006
摘要： PROBLEM TO BE SOLVED: To prevent the deterioration of the durability of heat generating parts by decreasing a thermal interference between the heat generating parts which are arranged next to each other in an optical pickup of a device for driving a disk, thus to improve the reliability.
SOLUTION: A laser diode 27 and a laser driving circuit substrate 29 are mounted by thermally connecting to a pickup casing 24 and arranging next to each other, and a thermal insulating member 25 is provided which thermally separates the laser diode 27 and the laser driving circuit substrate 29.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题为了通过降低驱动盘的装置的光学拾取器中彼此相邻布置的发热部件之间的热干扰来防止发热部件的耐久性的劣化，从而提高可靠性。解决方案：激光二极管27和激光驱动电路基板29通过热连接到拾取器壳体24并相互排列而安装，并且提供了一种绝热构件25，其将激光二极管27和激光驱动电路衬底29。

4. 发明专利

JP2005071547A Objective lens driving device and optical pickup 有权
标题翻译：目标镜头驱动装置和光学拾取
公开(公告)号：JP2005071547A
公开(公告)日：2005-03-17
申请号：JP2003303837
申请日：2003-08-28
申请人： Hitachi Ltd , Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス , 株式会社日立製作所
发明人： KATO MORIKAZU , KIMURA KATSUHIKO , SATAKE MITSUO , ITO TETSUO
IPC分类号： G11B7/09 , G11B7/085
摘要： PROBLEM TO BE SOLVED: To provide an objective lens driving device in which the assembling property of a magnetic circuit is good, no gap is formed between yokes, no reduction in driving force is present in the moving section and no unnecessary vibration is generated.
SOLUTION: The magnetic circuit of the objective lens driving device has focusing coils 3, tracking coils 4 and magnets 8. Furthermore, the magnetic circuit is provided with three or more yokes 9 and 10 which are provided around the periphery of an objective lens 1 along the focusing direction and a top yoke member 5 which is brought into contact with the three or more yoke members. The top yoke is brought into contact with two of the three or more yoke members along the focusing direction and brought into contact with the remaining one yoke member of three or more yoke members along the direction that is parallel with the surface of a disk.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种其中磁路的组装性良好的物镜驱动装置，在轭架之间不形成间隙，在移动部分中不存在驱动力的降低，并且不需要不必要的振动产生。解决方案：物镜驱动装置的磁路具有聚焦线圈3，跟踪线圈4和磁体8.此外，磁路设置有三个或更多个设置在物体周边周围的轭9和10 沿着聚焦方向的透镜1和与三个或更多个轭构件接触的顶部轭构件5。顶部磁轭沿着聚焦方向与三个或更多磁轭构件中的两个接触，并且沿着与盘的表面平行的方向与三个或更多磁轭构件的剩余的一个轭构件接触。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007250028A Connection structure of flexible substrate, connection structure of optical pickup flexible substrate, and optical disk driving device 审中-公开
标题翻译：柔性基板的连接结构，光拾取柔性基板的连接结构和光盘驱动装置
公开(公告)号：JP2007250028A
公开(公告)日：2007-09-27
申请号：JP2006068734
申请日：2006-03-14
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： NOMURA RIKA , FURUICHI HIROO , ARAI SATOSHI , HIRAMATSU HIROMICHI , SATAKE MITSUO , ITO KAZUHIKO
IPC分类号： G11B7/13 , G11B7/09 , G11B33/12
摘要： PROBLEM TO BE SOLVED: To provide a structure capable of easily executing repair connection so as to reduce connection failures in the connection of a first flexible substrate fixed to the main body of a thin optical pickup device and a second flexible substrate inserted into the connector of a drive. SOLUTION: In the solder connection of a first flexible substrate fixed to an optical pickup device main body with a second flexible substrate inserted into the connector of a drive side, a solder dam is provided in the tip of the wiring of the first flexible substrate for securing a predetermined solder amount for reconnection when a solder connected part is heated again to remove the second flexible substrate from the first flexible substrate, and the end of the wiring of the second flexible substrate is narrowed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易地执行修复连接的结构，以便减少固定在薄型光学拾取装置的主体上的第一柔性基板和插入到第二柔性基板的第二柔性基板的连接中的连接故障驱动器的连接器。解决方案：在固定到光拾取装置主体上的第一柔性基板与插入驱动侧的连接器中的第二柔性基板的焊接连接中，在第一柔性基板，用于当再次加热焊料连接部分以从第一柔性基板移除第二柔性基板时固定用于重新连接的预定焊料量，并且第二柔性基板的布线的端部变窄。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007157295A Optical disk drive unit 审中-公开
标题翻译：光盘驱动单元
公开(公告)号：JP2007157295A
公开(公告)日：2007-06-21
申请号：JP2005354677
申请日：2005-12-08
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： HIRAMATSU HIROMICHI , FURUICHI HIROO , ARAI SATOSHI , NOMURA RIKA , SATAKE MITSUO , ITO KAZUHIKO
IPC分类号： G11B7/125
摘要： PROBLEM TO BE SOLVED: To provide an optical disk drive unit that meets performance required for a high-performance optical pickup device, such as reduction in thickness, and ability of reproduction or recording of CD, in addition, DVD complying with various standards, and has a flexible board that is inexpensive and keeps reliability. SOLUTION: In an optical disk drive unit, in a connecting portion of a first flexible board 2-a fixed to a separately manufactured optical pickup unit body 1, and a second flexible substrate 2-b inserted into a separately manufactured connector at a drive side, an end face of a base film of at least one flexible board is extended to an outer side compared with an end face of a wiring conductor. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种满足高性能光学拾取装置所需的性能的光盘驱动单元，例如减小厚度，以及再现或记录CD的能力，此外，DVD符合各种标准，并且具有廉价并且保持可靠性的柔性板。解决方案：在光盘驱动单元中，在固定到单独制造的光学拾取单元主体1的第一柔性板2-a的连接部分和插入分开制造的连接器中的第二柔性基板2-b 驱动侧，与布线导体的端面相比，至少一个柔性板的基膜的端面延伸到外侧。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006245514A Connection method for flexible substrates 审中-公开
标题翻译：柔性基板的连接方法
公开(公告)号：JP2006245514A
公开(公告)日：2006-09-14
申请号：JP2005062947
申请日：2005-03-07
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： ARAI SATOSHI , FURUICHI HIROO , OZEKI YOSHIO , TOGAWA HIDEO , SATAKE MITSUO , WATANABE MASAYOSHI , ITO KAZUHIKO
IPC分类号： H05K3/36 , H05K1/11
摘要： PROBLEM TO BE SOLVED: To provide a method for connecting flexible substrates with a narrow pitch in which a connection failure is reduced by easily aligning with a high degree of accuracy. SOLUTION: By overlapping a first repeat pattern group which is formed at a first connection end at a first flexible substrate or its neighborhood and has a specified pitch and a second repeat pattern group which is formed at a second connection end at a second flexible substrate or its neighborhood and has a pitch different from the pitch of the first repeat pattern, the first and second repeat pattern groups are imaged to measure the amount of displacement between them. Corresponding to the measured amount of displacement between them, the alignment of a wiring conductor group of the first connection end and that of the second connection end is performed in the method for connecting the flexible substrates. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过容易地以高精度对准来连接具有窄间距的柔性基板的方法，其中连接故障减少。解决方案：通过将形成在第一柔性基板或其附近的第一连接端处的第一重复图案组重叠并且具有指定的间距和在第二连接端形成的第二重复图案组柔性基板或其附近，并且具有与第一重复图案的间距不同的间距，对第一和第二重复图案组进行成像以测量它们之间的位移量。对应于测量的位移量，在连接柔性基板的方法中进行第一连接端的布线导体组与第二连接端的布线导体组的对准。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2010040152A Optical pickup device and laser welding structure of optical component 有权
标题翻译：光学元件的光学拾取器件和激光焊接结构
公开(公告)号：JP2010040152A
公开(公告)日：2010-02-18
申请号：JP2008205199
申请日：2008-08-08
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： ARAI SATOSHI , FURUICHI HIROO , SATAKE MITSUO
IPC分类号： G11B7/12 , G02B3/00 , G11B7/08 , G11B7/22
CPC分类号： G11B7/12 , G11B7/0935 , G11B2007/0006
摘要： PROBLEM TO BE SOLVED: To provide a reliable optical pickup device, by increasing the welding strength and reducing the positional displacement due to environmental changes, in fixing an optical component including a lens by laser welding. SOLUTION: In a laser welding portion between a pickup case 2 and an optical component 1 having the lens, the optical component 1 has a joint having a convex protrusion 1c at a section to be joined to the pickup case 2. Laser radiation length is made longer than that of the protrusion, so that a thick welding portion 4-2 is formed at the end of the protrusion 1c so as to enhance the welding strength between the optical component 1 and the pickup case 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过激光焊接固定包括透镜的光学部件，通过增加焊接强度和减少由于环境变化引起的位置位移来提供可靠的光学拾取装置。解决方案：在拾取壳体2和具有透镜的光学部件1之间的激光焊接部分中，光学部件1具有在要接合到拾取壳体2的部分处具有凸起突起1c的接头。激光辐射长度比突起的长度长，使得在突起1c的端部形成厚焊接部4-2，以提高光学部件1和拾取壳体2之间的焊接强度。（C）2010，JPO＆INPIT

9. 发明专利

JP2007323756A Optical head and disk drive unit using the same 有权
标题翻译：光头和磁盘驱动单元使用相同
公开(公告)号：JP2007323756A
公开(公告)日：2007-12-13
申请号：JP2006154147
申请日：2006-06-02
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： OCHI MANABU , ICHIKAWA FUMIHITO , YOSHIDA HIROYASU , SATAKE MITSUO
IPC分类号： G11B7/125 , G11B7/135
CPC分类号： G11B7/126 , G11B7/127
摘要： PROBLEM TO BE SOLVED: To provide an optical head capable of attaining a stable operation by reducing the amount of heat conducted from a laser driving circuit to a casing near a semiconductor laser and maintaining the low temperature of the semiconductor laser, and a disk drive unit using the same. SOLUTION: The optical head is constructed in such a manner that a semiconductor laser and an optical detector are arranged on one side with respect to a straight line parallel to an axis passing through the center of the objective lens of an objective lens drive unit to abut on a bearing, and a laser driving circuit is arranged on the other side with respect to the straight line. Thus, a sufficient distance is secured from the laser driving circuit to the semiconductor laser, and the amount of heat conducted from the laser driving circuit to the casing is reduced. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够通过将从激光驱动电路传导到半导体激光器附近的壳体的热量并且保持半导体激光器的低温来获得稳定操作的光学头，以及磁盘驱动器单元使用相同。解决方案：光头被构造成使得半导体激光器和光学检测器相对于平行于通过物镜驱动器的物镜的中心的轴线的一条直线布置在一侧单元抵接在轴承上，激光驱动电路相对于直线设置在另一侧。因此，确保从激光驱动电路到半导体激光器的足够的距离，并且从激光驱动电路传导到壳体的热量减少。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2006202367A Optical disk drive apparatus 有权
标题翻译：光盘驱动器
公开(公告)号：JP2006202367A
公开(公告)日：2006-08-03
申请号：JP2005010495
申请日：2005-01-18
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： ARAI SATOSHI , FURUICHI HIROO , OZEKI YOSHIO , TOGAWA HIDEO , SATAKE MITSUO , ITO KAZUHIKO , WATANABE MASAYOSHI
IPC分类号： G11B7/22 , H01R12/78
CPC分类号： G11B7/08582 , G11B7/22 , H05K1/147 , H05K2201/0191
摘要： PROBLEM TO BE SOLVED: To provide an optical disk drive apparatus provided with a flexible substrate in which performance required for an optical pickup apparatus of high performance in which recording and reproducing can be performed for not only a CD of a thin type but even a DVD in accordance with various standards is filled, and which is a low cost, and in which reliability is kept.
SOLUTION: In the optical disk drive apparatus, a first flexible substrate manufactured being divided is fixed on an upper surface of the optical pickup apparatus main body, a wiring conductor of a first connection end part in the first flexible substrate fixed to the optical pickup apparatus main body, and a wiring conductor of a second connection end part in the second flexible substrate manufactured being divided are overlapped and positioned at the vicinity of an end on a case for the optical pickup, connected using a joint material, and a connection part in which wiring conductors of the first and the second connection end parts are connected on the case for the optical pickup are pressed by a cover for protecting the optical pickup main body.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种设置有柔性基板的光盘驱动装置，其中不仅可以对薄型CD进行记录和再现，而且能够执行高性能的光拾取装置所需的性能甚至根据各种标准的DVD被填充，并且是低成本，并且保持可靠性。解决方案：在光盘驱动装置中，将被分割的第一柔性基板固定在光学拾取装置主体的上表面上，将第一柔性基板中的第一连接端部的布线导体固定到光拾取装置主体和被分割的第二柔性基板中的第二连接端部的布线导体重叠并位于用于使用接合材料连接的光学拾取器的壳体的端部附近，并且在第一和第二连接端部的布线导体连接在用于光学拾取器的壳体上的连接部分被用于保护光学拾取器主体的盖子按压。版权所有（C）2006，JPO＆NCIPI

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