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    • 72. 发明申请
    • Method of manufacturing liquid discharge head and method of manufacturing substrate for liquid discharge head
    • 液体排出头的制造方法和液体排出头用基板的制造方法
    • US20060027529A1
    • 2006-02-09
    • US11196341
    • 2005-08-04
    • Hiroyuki Tokunaga
    • Hiroyuki Tokunaga
    • G01D15/00
    • B41J2/161B41J2/1626B41J2/1639
    • A method of manufacturing a liquid discharge head including a pressure generating chamber communicated to a discharge port for discharging liquid and a piezoelectric element which is provided corresponding with the pressure generating chamber and includes a piezoelectric material film and a pair of electrode films sandwiching the piezoelectric material film, including: a step of preparing a structure with a single crystal Si layer being accumulated above a front surface of an Si substrate through an etching stop layer; a step of forming a buffer layer on the above described single crystal Si layer; a step of forming, above the above described buffer layer, the above described piezoelectric material film consisting of a single crystal thin film or a thin film which is directed in a preferential orientation to a direction of the polarization through one of the above described pair of electrode films; a step of forming the above described pressure generating chamber on the above described piezoelectric material film; and a step of etching a location corresponding with the above described piezoelectric material film of the above described Si substrate from a rear surface of the above described Si substrate to reach the above described etching stop layer.
    • 一种液体排出头的制造方法,包括:与排出液体的排出口连通的压力产生室和与压力发生室对应地设置的压电元件,包括压电材料膜和夹着压电材料的一对电极膜 包括:准备通过蚀刻停止层在Si衬底的前表面上积聚单晶Si层的结构的步骤; 在上述单晶Si层上形成缓冲层的工序; 在上述缓冲层上方形成上述由单晶薄膜或薄膜构成的压电材料薄膜的步骤,所述薄膜或薄膜通过上述一对薄膜中的一个以偏振方向指向偏振方向 电极膜; 在上述压电材料膜上形成上述压力产生室的步骤; 以及从上述Si衬底的后表面蚀刻与上述Si衬底的上述压电材料膜相对应的位置到达上述蚀刻停止层的步骤。
    • 74. 发明授权
    • Ink-jet head, and method for manufacturing the same
    • 喷墨头及其制造方法
    • US06908563B2
    • 2005-06-21
    • US10301747
    • 2002-11-22
    • Hiroyuki Tokunaga
    • Hiroyuki Tokunaga
    • B41J2/00B41J2/14B41J2/16G01D15/00G11B5/127
    • B41J2/1642B41J2/14129B41J2/1603B41J2/1628B41J2/1629B41J2/1631B41J2/1637B41J2/1639B41J2/1646
    • In order to provide a low-cost large substrate for full multi-bubble-jet head, a method for manufacturing an ink-jet head in which ink-discharge-pressure generation elements are provided on a substrate, discharge ports are disposed in a plate facing the ink-discharge-pressure generation elements, and ink is discharged from the discharge ports by generating bubbles within ink includes the steps of forming a threaded port, serving as an ink supply port, in a ceramic substrate, filling the threaded ports with a filler by melting the filler, flattening a portion of the threaded port filled with the filler in the substrate, depositing a silicon nitride film on the surface of the substrate in which the portion of the threaded port is flattened, depositing a layer made of a high-heat-conduction material on the silicon nitride film, forming the ink-discharge-pressure generation elements on the high-heat-conduction layer, forming ink discharge portions having the corresponding discharge ports on the substrate having the ink-discharge-pressure generation elements, and removing the filler from the substrate having the ink discharge portions.
    • 为了提供一种用于完全多气泡喷射头的低成本大型基板,在基板上设置有喷墨压力产生元件的喷墨头的制造方法,排出口设置在板 面对排墨压力产生元件,并且通过在油墨中产生气泡而从排出口排出油墨,包括在陶瓷基板中形成作为供墨口的螺纹孔的步骤,用螺纹孔填充螺纹孔 通过熔化填料,使衬底中填充有填料的螺纹孔的一部分变平,在衬底的表面上沉积氮化硅膜,其中螺纹端口的部分被平坦化,沉积由高的 - 在氮化硅膜上的导热材料,在高导热层上形成喷墨压力产生元件,形成具有相应排出口o的排墨部分 在具有墨排出压力产生元件的基片上,并从具有墨排出部分的基片上去除填料。
    • 75. 发明授权
    • Measuring device using biosensor and biosenor used for it, and dedicated standard liquid
    • 使用生物传感器和生物传感器的测量装置,以及专用的标准液体
    • US06881322B2
    • 2005-04-19
    • US09937300
    • 2001-01-25
    • Hiroyuki TokunagaShoji Miyazaki
    • Hiroyuki TokunagaShoji Miyazaki
    • G01N27/327G01N33/487
    • G01N27/3273
    • A reaction layer 12 which reacts with a substance to be measured in a sample solution is provided on a working electrode 1, a counter electrode 2, and a third electrode 3 which are provided on an insulating substrate 7 so as to bridge the respective electrodes, the content of the substance to be measured is measured from a current value which reaction is obtained between the working electrode 1 and the counter electrode 2, and the types of sample solution is judged by a difference between oxidation current values or between oxidation current waveforms, which are obtained between the third electrode 3 and the counter electrode 2 or between the third electrode 3 and the working electrode 1, thereby automatically judging the types of sample solution.
    • 将反应层12与样品溶液中的待测物质反应,设置在工作电极1,对电极2和第三电极3上,工作电极1,对电极2和第三电极3设置在绝缘基板7上以桥接各个电极, 根据从工作电极1和对电极2之间获得的反应的电流值来测量待测物质的含量,并且通过氧化电流值或氧化电流波形之间的差来判断样品溶液的种类, 其在第三电极3和对电极2之间或第三电极3和工作电极1之间获得,从而自动判断样品溶液的类型。
    • 79. 发明授权
    • Vehicle steering control system
    • 车辆转向控制系统
    • US6108599A
    • 2000-08-22
    • US525844
    • 1995-09-08
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • B62D5/04B62D6/00G06F7/00
    • B62D6/00
    • In a vehicle steering control system, a manual steering input is assisted by a powered actuating steering torque which is given by K(.gamma.-t.sub.d .multidot.d .gamma./dt), where y is a detected yaw rate, K and t.sub.d are coefficients which depend on a vehicle speed, and d/dt denotes a time derivative. The detected yaw rate contributes to reducing the yaw rate of the vehicle. In particular, the coefficient t.sub.d is positive in value in a low speed range, and substantially linearly decreases with the vehicle speed, becoming negative at a certain intermediate vehicle speed. Thus, in a high speed range, when the vehicle is steered in one direction either by external disturbances or by a manual steering input, the detected yaw rate and the change rate of the yaw rate both contribute to the reduction of the yaw rate. However, in a low speed range, when the vehicle is steered in one direction, the detected yaw rate contributes to the reduction of the yaw rate but the change rate of the yaw rate contributes to the increase of the yaw rate. Thus, in a high speed range, the vehicle is made highly immune against external disturbances and the effort required for the manual steering of the vehicle is increased with the increase in the change rate of the yaw rate. Conversely, in a low speed range, the stability of the vehicle is of no concern, and the effort required for the manual steering of the vehicle is decreased with the increase in the change rate of the yaw rate.
    • 在车辆转向控制系统中,手动转向输入由由K(γ-DTXDγ/ dt)给出的动力执行转向转矩辅助,其中y是检测到的横摆率,K和td是依赖于 车速,d / dt表示时间导数。 检测到的横摆率有助于降低车辆的横摆角速度。 特别地,系数td在低速范围内的值为正值,并且随着车速大致线性地减小,在某一中间车速下变为负值。 因此,在高速范围内,当车辆通过外部干扰或手动转向输入在一个方向转向时,所检测到的横摆率和偏航率的变化率都有助于减小偏航率。 然而,在低速范围内,当车辆沿一个方向转向时,检测到的横摆率有助于降低横摆率,但偏航率的变化率有助于偏航率的增加。 因此,在高速范围内,使车辆高度免受外部干扰的影响,随着横摆率的变化率的增加,车辆的手动转向所需的努力也增加。 相反,在低速范围内,车辆的稳定性是不必要的,车辆的手动转向所需的努力随着偏航率的变化率的增加而降低。
    • 80. 发明授权
    • Vehicle steering system
    • 车辆转向系统
    • US6018691A
    • 2000-01-25
    • US218135
    • 1994-03-25
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki Tokunaga
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki Tokunaga
    • B62D5/04B62D6/00B62D6/04B62D101/00B62D111/00B62D113/00B62D119/00B62D5/06G06F7/70
    • B62D5/0463B62D5/0484B62D6/008
    • According to the invention, there is provided is a vehicle steering system which can improve the resistance of a vehicle against external disturbances such as crosswind, and can prevent the operability of the steering system from being seriously affected by a failure in a part of the system related to the generation of steering reaction such as a lateral acceleration sensor, a yaw rate sensor or a reaction control unit. Because the assisting steering torque continues to be produced even when a failure has occurred in a part related to the generation of steering reaction. Therefore, a fail-safe feature can be obtained, and unnecessary loss of the operability of the steering system can be avoided. By reducing the assisting steering torque from the normal level, which is effective when the sensors are operating normally, at such a time, the driveability of the steering system similar to that under the normal condition can be ensured.
    • 根据本发明,提供了一种车辆转向系统,其可以改善车辆抵抗诸如侧风等外部干扰的阻力,并且可以防止转向系统的可操作性受到系统的一部分中的故障的严重影响 与侧向加速度传感器,横摆率传感器或反应控制单元等的转向反应的产生有关。 因为即使在与转向反作用的产生相关的部分中发生故障,继续产生辅助转向转矩。 因此,可以获得故障保护功能,并且可以避免转向系统的可操作性的不必要的损失。 通过将辅助转向扭矩从正常水平减小,这在传感器正常运行时有效,可以确保与正常情况下相似的转向系统的驾驶性能。