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1. 发明授权

US4458980A Optical reproducing head 失效
标题翻译：光学再现头
公开(公告)号：US4458980A
公开(公告)日：1984-07-10
申请号：US189577
申请日：1980-09-23
申请人： Hiroshi Ohki , Chiaki Kojima
发明人： Hiroshi Ohki , Chiaki Kojima
IPC分类号： G02B5/32 , G03F7/04 , G11B7/085 , G11B7/09 , G11B7/12 , G11B7/123 , G11B7/13 , G11B7/135 , G11B7/1353 , G11B7/1372 , G11B7/1381
CPC分类号： G11B7/1381 , G03F7/04 , G11B7/085 , G11B7/123 , G11B7/13 , G11B7/1353 , G11B7/1372 , G11B7/0901 , G11B7/0904 , G11B7/0909 , G11B7/0916 , G11B7/0917
摘要： An optical reproducing head for reproducing an information signal recorded on an optical record medium includes a semiconductor laser for generating a laser beam, a first off-axis hologram lens irradiated with the laser beam from the semiconductor laser to produce a beam of parallel rays of light that has an optical axis which is off-set with respect to the optical axis of the laser beam, a second off-axis hologram lens irradiated with the beam of parallel rays of light from the first off-axis hologram lens to generate a focused beam which has an optical axis which is off-set with respect to the optical axis of the beam of parallel rays of light and has an optical axis perpendicular to the optical record medium, and a photo-detector detecting the intensity of a non-diffracted wave beam from the first off-axis hologram lens means, the non-diffracted wave beam being at least part of the focused beam which has been reflected from the optical record medium and has been diffracted by the second off-axis hologram lens. The output of the photodetector is used to produce a focus error signal and a tracking error signal for controlling the focus servo and tracking servo operations.
摘要翻译：用于再现记录在光学记录介质上的信息信号的光学再现头包括用于产生激光束的半导体激光器，用来自半导体激光器的激光束照射的第一离轴全息图透镜，以产生平行光束其具有相对于激光束的光轴偏移的光轴;第二离轴全息图透镜，用来自第一离轴全息透镜的平行光束照射以产生聚焦光束其具有相对于平行光束的光轴偏移的光轴，并且具有垂直于光学记录介质的光轴，并且光检测器检测非衍射波的强度来自第一离轴全息透镜装置的光束，非衍射波束是已经从光学记录介质反射并已被衍射的聚焦光束的至少一部分斜轴全息透镜。光电检测器的输出用于产生聚焦误差信号和跟踪误差信号，用于控制聚焦伺服和跟踪伺服操作。

2. 发明申请

US20050094694A1 Semiconductor laser device and optical pick-up apparatus using semiconductor laser device 审中-公开
标题翻译：半导体激光装置和使用半导体激光装置的光学拾取装置
公开(公告)号：US20050094694A1
公开(公告)日：2005-05-05
申请号：US10979396
申请日：2004-11-03
申请人： Kiyoshi Fujihara , Akira Ueno , Yoshiaki Matsuda , Hideyuki Nakanishi
发明人： Kiyoshi Fujihara , Akira Ueno , Yoshiaki Matsuda , Hideyuki Nakanishi
IPC分类号： G11B7/125 , G11B7/12 , G11B7/123 , G11B7/127 , H01S5/00 , H01S5/02 , H01S5/022 , H01S5/024 , H01S5/026
CPC分类号： G11B7/127 , G11B7/123 , H01L2224/05554 , H01L2224/45144 , H01L2224/49171 , H01S5/02216 , H01S5/02244 , H01S5/02248 , H01S5/02276 , H01S5/02296 , H01L2924/00
摘要： An object of the present invention is to provide a semiconductor laser device that has a simple structure that can easily be constructed, and can dissipate heat easily, and can improve its functionality and realize miniaturizing concurrently. The semiconductor laser device composes a metal plate 100 that is substantially the same as the bigger one of the widths of the silicon substrate 120 and the flexible sheet 130, a semiconductor laser element 110, a silicon substrate 120 into which a light detection circuit and a signal processing circuit are integrated, a flexible sheet 130, a wire 140 and an optical element 150. The flexible sheet 130 is divided into two on the metal plate 100, and the two divided flexible sheet 130 are positioned face to face sandwiching the silicon substrate 120.
摘要翻译：本发明的目的是提供一种具有简单结构的半导体激光器件，其可以容易地构造并且可以容易地散热，并且可以同时提高其功能并实现小型化。半导体激光装置构成与硅基板120和柔性片130的宽度大的金属板100，半导体激光元件110，硅基板120，光检测电路和信号处理电路集成在一起，柔性片130，线140和光学元件150.柔性片130在金属板100上被分成两部分，并且两个分开的柔性片130面对面地夹着硅衬底 120。

3. 发明申请

US20050048267A1 Optical element, optical element wafer, and manufacturing methods for the same 审中-公开
标题翻译：光学元件，光学元件晶片及其制造方法
公开(公告)号：US20050048267A1
公开(公告)日：2005-03-03
申请号：US10443082
申请日：2003-05-22
申请人： Akira Tezuka , Fuminori Aikawa , Masayuki Tsuchida , Fumiki Komagata
发明人： Akira Tezuka , Fuminori Aikawa , Masayuki Tsuchida , Fumiki Komagata
IPC分类号： G02B3/00 , B32B3/00 , G11B7/12 , G11B7/123 , G11B7/1365 , G11B7/22
CPC分类号： G11B7/123 , B32B3/00 , G11B7/1365 , G11B7/22 , H01L27/14625 , H01L27/14685 , Y10T428/24802
摘要： The present invention provides an optical element, an optical element wafer and a method of manufacturing the same. The optical element comprises a optical film adhered on an substrate of the optical element. The method for manufacturing the optical element wafer comprising the steps of dividing a base material of a optical film into a plurality of optical films, separating the optical film base material by removing sections where no optical film is to be formed, adhering the divided optical films on the substrate base material, and a plurality of optical elements are obtained by dividing the substrate base material with the optical film adhered on one surface of the individual substrate.
摘要翻译：本发明提供一种光学元件，光学元件晶片及其制造方法。光学元件包括粘附在光学元件的基板上的光学膜。制造光学元件晶片的方法包括以下步骤：将光学膜的基材分成多个光学膜，通过去除不形成光学膜的部分来分离光学膜基材;将分割的光学膜在基板基材上形成多个光学元件，通过将基板基材与附着在单个基板的一个表面上的光学膜分开来获得多个光学元件。

4. 发明申请

US20050169153A1 Two wavelength laser module and optical pickup device 审中-公开
标题翻译：两个波长激光模块和光学拾取装置
公开(公告)号：US20050169153A1
公开(公告)日：2005-08-04
申请号：US11035054
申请日：2005-01-14
申请人： Masakazu Ogasawara , Makoto Sato , Mamoru Miyachi , Yoshinori Kimura
发明人： Masakazu Ogasawara , Makoto Sato , Mamoru Miyachi , Yoshinori Kimura
IPC分类号： G11B7/00 , G11B7/12 , G11B7/123 , G11B7/125 , G11B7/1275 , G11B7/135 , G11B7/1353 , G11B7/1365 , H01S5/022 , H01S5/323 , H01S5/343 , H01S5/40
CPC分类号： G11B7/1275 , G11B7/123 , G11B7/1353 , G11B7/1365 , G11B2007/0006
摘要： A two wavelength laser module is made up of a semiconductor laser assembly that includes a first semiconductor laser for emitting a first light beam of a first polarization direction and a second semiconductor laser for emitting a second light beam of a second polarization direction. The second light beam is emitted approximately in the same direction as that of the first light beam and has a shorter wavelength than that of the first light beam. The first and second semiconductor lasers are disposed on a substrate. The module includes a polarization diffraction element for causing a divergence angle of the first light beam to differ from that of the second light beam.
摘要翻译：双波长激光器模块由包括用于发射第一偏振方向的第一光束的第一半导体激光器和用于发射第二偏振方向的第二光束的第二半导体激光器的半导体激光器组件构成。第二光束大致以与第一光束相同的方向发射，并且具有比第一光束的波长短的波长。第一和第二半导体激光器设置在基板上。该模块包括用于使第一光束的发散角与第二光束的发散角不同的偏振衍射元件。

5. 发明申请

US20050157627A1 Optical pickup device and optical disk device 审中-公开
标题翻译：光拾取装置和光盘装置
公开(公告)号：US20050157627A1
公开(公告)日：2005-07-21
申请号：US10508812
申请日：2003-04-15
申请人： Takakiyo Kanazawa , Tetsu Watanabe , Sunao Aoki
发明人： Takakiyo Kanazawa , Tetsu Watanabe , Sunao Aoki
IPC分类号： G11B7/12 , G11B7/122 , G11B7/123 , G11B7/1356 , G11B7/1365 , G11B7/22 , G11B7/00
CPC分类号： G11B7/1356 , G11B7/122 , G11B7/123 , G11B7/1365 , G11B7/22
摘要： A polarizing beam splitter (21) is secured in a state wherein a bottom plate (2102) thereof contacts closely with an upper face of a substrate (16) and a light receiving element (23) without a gap left therebetween. A quarter-wave plate (17) is attached to the polarizing beam splitter in a state wherein a lower face (1702) thereof contacts closely with an upper face (2104) without a gap left therebetween such that the lengthwise directions and the widthwise directions of them coincide with each other. An objective lens plate (18) is attached in a state wherein a lower face (1806) thereof contacts closely with an upper face (1704) of the quarter-wave plate without a gap left therebetween. A light source (22) is bonded at a mount member (22B) thereof to the upper face of the substrate by means of a bonding agent or the like such that an emitting face of a semiconductor laser (22A) and a front face of the mount member contact closely with a portion of a side face (2106) of the polarizing beam splitter without a gap left therebetween.
摘要翻译：偏振分束器（21）固定在其底板（2102）与衬底（16）的上表面和光接收元件（23）紧密接触的状态下，其间没有间隙。四分之一波片（17）在其下表面（1702）与上表面（2104）紧密接触而没有间隙的状态下附接到偏振分束器，使得纵向方向和宽度方向他们相互重合。在其下表面（1806）与四分之一波片的上表面（1704）紧密接触而没有留下间隙的状态下安装物镜板（18）。光源（22）通过粘合剂等将其安装部件（22B）粘合到基板的上表面，使得半导体激光器（22A）的发射面和正面的安装构件与偏振分束器的侧面（2106）的一部分紧密接触，而没有间隙留下。

6. 发明申请

US20050249062A1 Optical pickup 审中-公开
标题翻译：光学拾音
公开(公告)号：US20050249062A1
公开(公告)日：2005-11-10
申请号：US11125122
申请日：2005-05-10
申请人： Tsuguhiro Abe
发明人： Tsuguhiro Abe
IPC分类号： G11B7/135 , G11B7/00 , G11B7/12 , G11B7/123 , G11B7/13 , G11B7/1381
CPC分类号： G11B7/1381 , G11B7/123
摘要： The present invention relates to a removal of a noise due to an interference between an emitted light from a light emitting element of laser beam for reading a signal from an optical disc and a return light from the optical disc. The present invention provides a pickup device for reading a signal from an optical disc, including a light emitting element that emits a laser beam irradiated on the optical disc, an objective lens that condenses the laser beam emitted from the light emitting element on a signal recording surface of the optical disc, a light-receiving element that receives a return light reflected on the signal surface of the optical disc, and a noise removing section removing the noise component generated by the interference between the emitted light and the return light, the noise removing section being arranged in an optical path having a route for the emitted light and the return light.
摘要翻译：本发明涉及由于来自用于读取来自光盘的信号的激光束的发光元件的发射光与来自光盘的返回光之间的干涉而导致的噪声的消除。本发明提供了一种用于读取来自光盘的信号的拾取装置，包括发射激光束照射在光盘上的发光元件，将从发光元件发射的激光束会聚在信号记录上的物镜光盘的表面，接收在光盘的信号表面上反射的返回光的光接收元件，以及去除由发射光和返回光之间的干扰产生的噪声分量的噪声去除部分，噪声去除部分布置在具有用于发射光和返回光的路线的光路中。

7. 发明申请

US20050001231A1 Light receiving element and light receiving device incorporating circuit and optical disc drive 审中-公开
标题翻译：光接收元件和光接收装置并入电路和光盘驱动器
公开(公告)号：US20050001231A1
公开(公告)日：2005-01-06
申请号：US10497202
申请日：2002-12-10
申请人： Shigeki Hayashida , Tatsuya Morioka , Yoshihiko Tani , Isamu Ohkubo , Hideo Wada
发明人： Shigeki Hayashida , Tatsuya Morioka , Yoshihiko Tani , Isamu Ohkubo , Hideo Wada
IPC分类号： G11B7/12 , G11B7/123 , G11B7/13 , H01L27/14 , H01L31/0216 , H01L31/10 , H01L31/103 , H01L33/00
CPC分类号： G11B7/123 , G11B7/13 , H01L27/14 , H01L31/02161 , H01L31/103
摘要： A light receiving device includes a P type diffusion layer (101), a P type semiconductor layer (102), an N type diffusion layer (103) serving as a light receiving part, and a light transmitting film (104), all formed on a p type silicon substrate (100). The N type diffusion layer (103) has a thickness of 0.8 μm to 1.0 μm which is larger than an absorption length of incident light having wavelength of 400 nm, and such a concentration profile that a impurity concentration is not higher than 1E19 cm−3 on a surface and has a peak in a vicinity of the surface. Since recombination of carriers generated by the incident light is prevented in the vicinity of the surface of the N type diffusion layer (103), sensitivity of the light receiving device is enhanced and response speed is increased by the low-resistance N type diffusion layer (103) having a larger junction depth.
摘要翻译：光接收装置包括：P型扩散层（101），P型半导体层（102），用作光接收部分的N型扩散层（103）和透光膜（104），全部形成在 ap型硅衬底（100）。 N型扩散层（103）的厚度为0.8μm〜1.0μm，比波长400nm的入射光的吸收长度大，杂质浓度不高于1E19cm -1的浓度分布， 3>在表面附近具有峰值。由于在N型扩散层（103）的表面附近防止了由入射光产生的载流子的复合，因此通过低电阻N型扩散层提高了光接收装置的灵敏度和响应速度（ 103）具有较大的结深度。

8. 发明申请

US20120198485A1 LASER HOLDER AND OPTICAL PICKUP PROVIDED WITH SAME 审中-公开
标题翻译：激光保持器和提供的光学拾取器
公开(公告)号：US20120198485A1
公开(公告)日：2012-08-02
申请号：US13349698
申请日：2012-01-13
申请人： Tetsuo NISHIDATE
发明人： Tetsuo NISHIDATE
IPC分类号： H01S5/022 , G11B7/123
CPC分类号： G11B7/22 , G11B7/123 , G11B7/127
摘要： A laser holder is used for holding a semiconductor laser, and is obtained by working of a metal sheet. The laser holder is provided with a step formed by folding of a metal sheet; and a positioning holding section capable of holding the semiconductor laser in a positioned state using the step, the positioning holding section provided on the metal sheet.
摘要翻译：激光保持器用于保持半导体激光器，并且通过金属片的加工获得。激光保持器设置有通过折叠金属片形成的台阶; 以及能够使用该台阶将半导体激光器保持在定位状态的定位保持部，设置在金属板上的定位保持部。

9. 发明申请

US20050135202A1 Magneto-optic optical miniaturized module and magneto-optic optical pickup device 审中-公开
标题翻译：磁光光学小型化模块和磁光光学拾取装置
公开(公告)号：US20050135202A1
公开(公告)日：2005-06-23
申请号：US11020824
申请日：2004-12-22
申请人： Masaru Ogawa
发明人： Masaru Ogawa
IPC分类号： G11B11/105 , G11B7/00 , G11B7/12 , G11B7/123 , G11B7/13 , G11B7/131 , G11B7/135 , G11B7/1353 , G11B11/10
CPC分类号： G11B11/10545 , G11B7/123 , G11B7/131 , G11B7/1353
摘要： An optical miniaturized module includes: a photodetector having a plurality of light receiving portions to receive light reflected by a magneto-optic storage medium; first polarization separation means for separating the reflected light and lasing light output from a source of light and traveling toward the medium; and a polarization hologram receiving the reflected light from the first polarization separation means to diffract at least a portion of the reflected light and guide diffracted light to the photodetector. The polarization hologram includes a plurality of diffraction areas diffracting the reflected light in different directions, and two of the diffraction areas provide diffracted beams directed to one of the light receiving portions.
摘要翻译：光学小型化模块包括：具有多个光接收部分以接收由光磁存储介质反射的光的光电检测器; 第一偏振分离装置，用于分离反射光和从光源输出并向介质传播的激光; 以及接收来自第一偏振分离装置的反射光的偏振全息图，衍射至少一部分反射光并将衍射光引导到光电检测器。偏振全息图包括在不同方向衍射反射光的多个衍射区域，并且两个衍射区域提供指向光接收部分之一的衍射光束。

10. 发明授权

US4689479A Optical focussing and tracking system using a polarization prism for dividing the reflected beam 失效
标题翻译：光学聚焦和跟踪系统使用偏振棱镜来分割反射光束
公开(公告)号：US4689479A
公开(公告)日：1987-08-25
申请号：US681577
申请日：1984-12-14
申请人： Kimio Tatsuno , Keiji Kataoka
发明人： Kimio Tatsuno , Keiji Kataoka
IPC分类号： G11B7/08 , G11B7/09 , G11B7/12 , G11B7/123 , G11B7/135 , G11B7/1356 , G11B7/1381 , G11B5/09 , G11B20/22
CPC分类号： G11B7/1381 , G11B7/08 , G11B7/123 , G11B7/1356
摘要： This invention is characterized in that a modified polarization prism or a modified half prism is used therein. Since photodetectors serving at the same time for light signal detection, for automatic focussing and for tracking are disposed at opposite sides of the optical source of a semiconductor laser, a single axis optical system can be realized and it is possible to reduce the optical head in size.
摘要翻译：本发明的特征在于其中使用改性偏振棱镜或修改的半棱镜。由于用于光信号检测的同时用于自动聚焦和跟踪的光电探测器设置在半导体激光器的光源的相对侧，所以可以实现单轴光学系统，并且可以减少光头尺寸。

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