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    • 4. 发明授权
    • Method of cleaning glass substrate for magnetic disk or semiconductor
substrate
    • 清洁磁盘或半导体衬底的玻璃衬底的方法
    • US6048466A
    • 2000-04-11
    • US44228
    • 1998-03-19
    • Toshinori MorizaneMasao KawaguchiTadao Tokushima
    • Toshinori MorizaneMasao KawaguchiTadao Tokushima
    • G11B5/84B08B6/00B01D17/06B44C1/22C25B9/00C25F1/00
    • G11B5/8404
    • To propose a method of cleaning a surface of a glass substrate fabricated by a process of strengthening a surface thereof by alkaline ion exchange reaction by selectively removing alkaline metal on the surface by cleaning the surface by using an activated ionic water produced by electric polarization and as a result, to provide a glass substrate for a magnetic disk having a magnetic medium with insignificant corrosion and excellent S/N ratio, in cleaning a glass substrate for a magnetic disk using a glass substrate pulled up from a chemically strengthening treatment solution produced by an alkaline ion exchange reaction, after a final polishing step of fabricating the glass substrate for a magnetic disk, the glass substrate is cleaned by an activated anodically electrolyzed water produced by electric polarization to thereby selectively remove the alkaline metal at the vicinity of the surface.
    • 提出一种通过碱性离子交换反应来强化其表面的方法来清洗玻璃基板的表面的方法,通过使用由电极化产生的活化离子水清洗表面,并且通过选择性地除去表面上的碱金属 结果是,提供一种具有磁性介质的玻璃基板,该磁盘具有不可忽视的腐蚀和优异的S / N比,在使用从由化学强化处理液生产的化学强化处理溶液提拉的玻璃基板上清洁用于磁盘的玻璃基板 碱性离子交换反应,在制造用于磁盘的玻璃基板的最终研磨步骤之后,通过由电极化产生的活性阳极电解水来清洗玻璃基板,从而选择性地除去表面附近的碱金属。
    • 5. 发明申请
    • SEMICONDUCTOR LASER DEVICE
    • 半导体激光器件
    • US20110051770A1
    • 2011-03-03
    • US12742573
    • 2009-10-16
    • Masao Kawaguchi
    • Masao Kawaguchi
    • H01S5/00
    • H01S5/22B82Y20/00H01S5/2201H01S5/3203H01S5/34333
    • A semiconductor laser device includes a semiconductor-layer lamination (20) having an active layer (26) formed over a substrate (11). The semiconductor-layer lamination (20) includes a front face which emits light, a strip-shaped optical waveguide formed in a direction transverse to the front face, a first region (20A) extending in a direction transverse to the front face, a second region (20B) having a top surface whose height is different from that of the first region (20A), and a planar region (20C) formed between the first region (20A) and the second region (20B), and having periodic surface undulations whose variation is smaller than that of the second region (20B). The optical waveguide is formed in the planar region (20C).
    • 半导体激光器件包括半导体层层压(20),其具有在衬底(11)上形成的有源层(26)。 半导体层叠层(20)包括发射光的正面,与前表面垂直的方向形成的条形光波导,沿与前表面相垂直的方向延伸的第一区域(20A),第二区域 具有高度不同于第一区域(20A)的顶表面的区域(20B)和形成在第一区域(20A)和第二区域(20B)之间的平面区域(20C),并且具有周期性表面起伏 其变化小于第二区域(20B)的变化。 光波导形成在平面区域(20C)中。
    • 7. 发明授权
    • Method and system for internal combustion engine oxygen sensor heating
control which provide sensor heating limited for reliable operation
    • 内燃机氧传感器加热控制方法和系统,提供传感器加热限制可靠运行
    • US4611562A
    • 1986-09-16
    • US666470
    • 1984-10-30
    • Jiro NakanoTakao IshibashiTakao AkatsukaMasao Kawaguchi
    • Jiro NakanoTakao IshibashiTakao AkatsukaMasao Kawaguchi
    • F02D41/34F02D41/00F02D41/14G01N27/406G01N27/409F02M7/00G01N27/46
    • F02D41/1494G01N27/4065G01N27/4067
    • An internal combustion engine has an exhaust system and an oxygen sensor fitted to the exhaust system including a sensor element and an electrically powered heater for heating the sensor element. A method is disclosed for controlling the power supplied to said heater by restricting it to be less than a predetermined value. This restriction may be done by controlling the value of a relatively steady current flowing through said heater, or alternatively may be done by supplying an intermittent voltage to said heater and by controlling the duty factor of said intermittent voltage. The power supplied to said heater may be determined by detecting the current flowing through said heater, or may be determined by detecting the voltage across said heater and the current flowing through said heater. Thereby, during engine heating up operation, the temperature of the heater element is raised as quickly as practicable, without any risk of over quick heating of the heater occurring, which might lead to damage thereto. Accordingly it is ensured that engine performance and the quality of exhaust gas emissions at the time of such engine warming up operation are good. A system is also described for implementing this method.
    • 内燃机具有排气系统和安装在排气系统上的氧传感器,该排气系统包括用于加热传感器元件的传感器元件和电动加热器。 公开了一种通过将其限制为小于预定值来控制供应给所述加热器的功率的方法。 该限制可以通过控制流经所述加热器的相对稳定的电流的值来进行,或者可以通过向所述加热器提供间歇电压并且通过控制所述间歇电压的占空系数来完成。 提供给所述加热器的功率可以通过检测流过所述加热器的电流来确定,或者可以通过检测所述加热器两端的电压和流过所述加热器的电流来确定。 因此,在发动机加热运转时,加热器元件的温度尽可能快地上升,而不会发生加热器的过快加热的风险,这可能导致其损坏。 因此,能够确保在发动机升温运转时的发动机性能和排气质量良好。 还描述了用于实现该方法的系统。