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    • 1. 发明申请
    • OPTICAL RECORDING MEDIUM AND PRODUCTION METHOD FOR OPTICAL RECORDING MEDIUM
    • 光记录介质和光记录介质的生产方法
    • US20120196077A1
    • 2012-08-02
    • US13500212
    • 2010-10-04
    • Tetsuhiro SakamotoHirotaka MiyamotoYoshihiro TakemotoHisayuki Yamatsu
    • Tetsuhiro SakamotoHirotaka MiyamotoYoshihiro TakemotoHisayuki Yamatsu
    • B32B3/02B32B37/00
    • G11B7/26G11B7/00452G11B7/24044G11B7/2405G11B7/244G11B2007/0009Y10T156/10
    • [Object] To enable stable void recording to be performed with lower power than in a case where a conventional void (hole) recording method is adopted.[Solving Means] Provided is an optical recording medium including a recording layer in which a plurality of boundary surfaces of resin layers are formed, and intervals of the boundary surfaces are set to be equal to or smaller than a focal depth of recording light. A recording sensitivity of hole marks is enhanced at the boundary surfaces of the resin layers. Therefore, by providing the recording layer in which the boundary surfaces are provided at intervals equal to or smaller than the focal depth of recording light as described above, that is, the recording layer is practically filled with the boundary surfaces, the hole mark recording sensitivity of the recording layer can be enhanced as a whole. Accordingly, it becomes possible to suppress laser power requisite for recording to be smaller than that of the conventional art and solve the problems of the conventional void recording method. As a result, realizability of a large-capacity recording medium as a bulk-type recording medium can be additionally enhanced.
    • 与使用常规的空隙(孔)记录方式的情况相比,能够以较低的功率进行稳定的空隙记录。 [解决方案]提供一种光记录介质,其包括其中形成有树脂层的多个边界面的记录层,并且边界面的间隔被设定为等于或小于记录光的焦深。 在树脂层的边界面处,孔标记的记录灵敏度增强。 因此,如上所述,通过设置以等于或小于记录光的焦深的间隔设置边界面的记录层,即记录层实际上被边界表面填充,孔标记记录灵敏度 记录层的整体可以得到增强。 因此,可以抑制记录所需的激光功率小于常规技术的激光功率,并且解决了传统的空白记录方法的问题。 结果,作为大容量记录介质的大容量记录介质的可实现性可以进一步提高。
    • 2. 发明授权
    • Method of making master for manufacturing optical disc and method of manufacturing optical disc
    • 制造光盘的制造方法和制造光盘的方法
    • US07648671B2
    • 2010-01-19
    • US10502038
    • 2003-11-20
    • Shinichi KaiAkira KouchiyamaKatsuhisa ArataniKenzo NakagawaYoshihiro Takemoto
    • Shinichi KaiAkira KouchiyamaKatsuhisa ArataniKenzo NakagawaYoshihiro Takemoto
    • H05B6/00
    • G11B7/261G11B7/1267
    • The method of the present invention includes an exposing step in which a laser beam for recording modulated by an information signal corresponding to an information signal of an information concave and convex pattern formed on the optical disc is applied to an inorganic resist layer 101 formed on a substrate 100 to form an exposed pattern corresponding to the information concave and convex pattern on the optical disc, and a development step in which a concave and convex pattern corresponding to the information concave and convex pattern by the inorganic resist layer is formed. By applying a laser beam for estimation to a predetermined area on the inorganic resist layer in the exposing step to estimate recorded signal characteristics of the exposed pattern by the inorganic resist layer using reflected light of the laser beam for estimation, and controlling power of the laser beam for recording based on the estimated result, the aimed information recording on the optical disc can reliably be obtained.
    • 本发明的方法包括曝光步骤,其中将用与在光盘上形成的信息凹凸图案的信息信号对应的信息信号进行记录的激光束施加到形成在光盘上的无机抗蚀剂层101上 基板100,以形成对应于光盘上的信息凹凸图案的曝光图案,以及形成与无机抗蚀剂层的信息凹凸图案相对应的凹凸图案的显影步骤。 通过在曝光步骤中将用于估计的激光束施加到无机抗蚀剂层上的预定区域,以使用用于估计的激光束的反射光通过无机抗蚀剂层估计曝光图案的记录信号特性,并且控制激光器的功率 基于估计结果记录的光束,可以可靠地获得在光盘上记录的目标信息。
    • 6. 发明申请
    • Manufacturing process of original disc for producing optical disc and production process of optical disc
    • 用于生产光盘的原盘的制造过程和光盘的生产过程
    • US20050161842A1
    • 2005-07-28
    • US10505455
    • 2003-12-24
    • Shinichi KaiKatsuhisa ArataniAkira KouchiyamaKenzo NakagawaYoshihiro Takemoto
    • Shinichi KaiKatsuhisa ArataniAkira KouchiyamaKenzo NakagawaYoshihiro Takemoto
    • B29D11/00G11B7/26
    • G11B7/261Y10S425/81
    • The method of the present invention includes: an exposing process in which an inorganic resist layer 101 formed on a substrate 100 is irradiated with recording laser light modulated by an information signal corresponding to an information signal of an information concave and convex pattern formed on an optical disc to form an exposed pattern corresponding to the information concave and convex pattern on the optical disc, and after the above process a development process in which development processing is performed on the inorganic resist layer to form a concave and convex pattern corresponding to the information concave and convex pattern of the inorganic resist layer; in the above exposing process, after a trial exposure is performed on a non-recording area of the above resist layer, the exposed portion is irradiated with evaluation laser light and a recording signal characteristic of the above resist layer is evaluated from the reflected light to determine based on the evaluation result an optimum focus position of recording laser light which is later performed; and accordingly the recording signal characteristic (jitter value) of the optical disc is predicted and evaluated in the exposing process from the recording characteristic of the exposed portion on the resist to appropriately adjust an exposure focusing position based on the evaluation result and thus, a master having an appropriate concave and convex pattern and consequently an optical disc having an excellent characteristic can be manufactured.
    • 本发明的方法包括:曝光处理,其中形成在基板100上的无机抗蚀剂层101被记录激光照射,该记录激光由对应于在光学上形成的信息凹凸图案的信息信号的信息信号调制 形成对应于光盘上的信息凹凸图案的曝光图案,在上述处理之后,对无机抗蚀剂层进行显影处理以形成对应于信息凹部的凹凸图案的显影处理 和无机抗蚀剂层的凸起图案; 在上述曝光处理中,在对上述抗蚀剂层的非记录区域进行试验曝光之后,用评价激光照射曝光部分,并将上述抗蚀剂层的记录信号从反射光评估为 基于评价结果确定记录稍后进行的激光的最佳聚焦位置; 因此根据曝光部分的抗蚀剂的记录特性,在曝光处理中预测和评估光盘的记录信号特性(抖动值),以根据评估结果适当地调整曝光聚焦位置,因此,主 具有适当的凹凸图案,因此可以制造具有优异特性的光盘。
    • 7. 发明授权
    • Motor-driven power steering apparatus
    • 电动助力转向装置
    • US06644434B2
    • 2003-11-11
    • US10120294
    • 2002-04-10
    • Hideaki FujiiMasayuki OhkuboYoshiaki TaniguchiYoshihiro Takemoto
    • Hideaki FujiiMasayuki OhkuboYoshiaki TaniguchiYoshihiro Takemoto
    • B62D504
    • B62D5/0472B62D5/0463
    • To provide a motor-driven power steering apparatus which can prevent the play of the handle from being generated at the time of steering and the noises from occurring at the time of a high rotation in a motor-driven power steering. In a motor-driven power steering apparatus mounted as a steering unit for steering running wheels such as front wheels or the like of a motor vehicle, the running wheels are steering-wheel turned by a steering assist force given by a brushless motor and a manual steering force given by operation of a steering handle. In a control circuit portion of this brushless motor, in accordance with a procedure of S1 to S8, the lead angle amount is computed in accordance with a detection signal from a torque sensor, and the rotation number is computed on the basis of a detection signal from the resolver, and the brushless motor is driven at an optimum lead angle obtained by correcting a lead angle amount corresponding to the load in accordance with the rotation number, and thereby it is possible to reduce a torque ripple at the time of a low rotation and reduce an electric current ripple at the time of a high rotation.
    • 提供一种马达驱动的动力转向装置,其可以防止在转向时产生手柄的弹奏并且在马达驱动的动力转向中在高旋转时产生噪音。在电动驱动 动力转向装置安装为用于转向机动车辆的前轮等的行驶轮的转向单元,行驶轮是由无刷电动机给出的转向辅助力和由操作给出的手动转向力所转动的方向盘 的转向手柄。 在该无刷电动机的控制电路部分中,根据S1至S8的过程,根据来自转矩传感器的检测信号计算前导角量,并且基于检测信号计算转数 并且无刷电动机以通过根据转数校正对应于负载的引导角度量而获得的最佳引导角被驱动,从而可以减小低转速时的转矩脉动 并且在高旋转时减小电流纹波。
    • 9. 发明授权
    • Method for manufacturing synthetic resin hollow member incorporating an intermediate element therein
    • 在其中结合有中间元件的合成树脂中空构件的制造方法
    • US06299816B1
    • 2001-10-09
    • US09189150
    • 1998-11-10
    • Yoshihiro TakemotoShoso Nishida
    • Yoshihiro TakemotoShoso Nishida
    • B29C4516
    • B29C45/0062B29C66/54B29C2045/0067
    • Method and apparatus for manufacturing a synthetic resin-made hollow member incorporating an intermediate element are provided which enable operations of molding half bodies, abutting and joining the half bodies together, and molding an intermediate element in a series of steps, and which eliminate the necessity of such a manual work as may otherwise be required in incorporating the intermediate element into the half bodies. A pair of rotary injection molding dies are used which can be opened and closed relative to each other and are rotatable relative to each other over an angle of 60° for each turn, each die having a half body molding section including one male molding portion and two female molding portions in the direction of rotation for each rotational run over an angle of 120°, each die also having an intermediate element molding portion provided between specified half body molding portions in the direction of each rotational run over an angle of 120°. In each two rotational runs of the molding dies, a series of steps is carried out including first injection for molding a pair of half bodies and an intermediate element, molded product setting for matching two half bodies with the intermediate element set in place and abutting the two half bodies against each other, and second injection for injecting melted resin onto the abutting portions and joining the two half bodies, whereby a hollow member with the intermediate element set between the two half bodies can be obtained.
    • 提供了一种制造包含中间元件的合成树脂制中空构件的方法和装置,其能够使半体成型,将半体抵接并接合在一起的操作,并且以一系列步骤模制中间元件,并且消除了必要性 这样的手工工作可能需要将中间元件结合到半体中。 使用一对可相对于彼此打开和关闭的旋转注射成型模具,并且可相对于彼此相对于彼此旋转60°的角度可转动,每个模具具有半体模制部分,其包括一个阳模制部分和 每个旋转运行方向的两个阴模成型部分在120°的角度上,每个模具还具有在每个旋转行程的方向上以120°的角度设置在指定的半体模制部分之间的中间元件模制部分。 在模具的每两次旋转运行中,执行一系列步骤,包括用于模制一对半体的第一注射和中间元件,用于使两个半体匹配的模制产品设置,其中中间元件设置就位并邻接 两个半体彼此相对,并且第二注射用于将熔融树脂注入到邻接部分上并且接合两个半体,由此可以获得具有设置在两个半体之间的中间元件的中空构件。