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    • 1. 发明授权
    • Method for forming ventilation holes in an electrode plate
    • 在电极板中形成通气孔的方法
    • US08709328B2
    • 2014-04-29
    • US13393582
    • 2010-10-06
    • Satoshi FujitaAtsushi Matsuda
    • Satoshi FujitaAtsushi Matsuda
    • B29C35/08
    • H01J37/32724B23K26/389B23K26/60H01J37/32541
    • This method for forming ventilation holes in an electrode plate includes: a roughening step of roughening a surface of an electrode plate for a plasma processing apparatus such that a center line average roughness Ra becomes in a range of 0.2 μm to 30 μm; and a ventilation hole forming step of irradiating a laser beam having a wavelength within a range of 200 nm to 600 nm on a roughened surface of the electrode plate so as to form ventilation holes in the electrode plate which pass through the electrode plate in a thickness direction, wherein in the ventilation hole forming step, a focus spot of the laser light is swirled along a planar direction of the electrode plate so as to form a circular irradiation area, and while moving the irradiation area along a planar direction of the electrode plate in a circular movement, the focus spot of the laser light is shifted in a thickness direction of the electrode plate.
    • 这种在电极板中形成通风孔的方法包括:粗糙化步骤,使等离子体处理装置的电极板的表面粗糙化,使得中心线平均粗糙度Ra变为0.2μm至30μm的范围; 以及通气孔形成步骤,在200〜600nm范围内的波长的激光束照射在电极板的粗糙面上,在电极板上形成通气孔,该电极板以厚度方式穿过电极板 方向,其中在所述通气孔形成步骤中,沿着所述电极板的平面方向旋转所述激光的聚焦点,以形成圆形照射区域,并且沿着所述电极板的平面方向移动所述照射区域 在圆周运动中,激光的聚焦点在电极板的厚度方向上偏移。
    • 2. 发明申请
    • METHOD FOR FORMING VENTILATION HOLES IN AN ELECTRODE PLATE
    • 在电极板中形成通气孔的方法
    • US20120187605A1
    • 2012-07-26
    • US13393582
    • 2010-10-06
    • Satoshi FujitaAtsushi Matsuda
    • Satoshi FujitaAtsushi Matsuda
    • H01B13/00
    • H01J37/32724B23K26/389B23K26/60H01J37/32541
    • This method for forming ventilation holes in an electrode plate includes: a roughening step of roughening a surface of an electrode plate for a plasma processing apparatus such that a center line average roughness Ra becomes in a range of 0.2 μm to 30 μm; and a ventilation hole forming step of irradiating a laser beam having a wavelength within a range of 200 nm to 600 nm on a roughened surface of the electrode plate so as to form ventilation holes in the electrode plate which pass through the electrode plate in a thickness direction, wherein in the ventilation hole forming step, a focus spot of the laser light is swirled along a planar direction of the electrode plate so as to form a circular irradiation area, and while moving the irradiation area along a planar direction of the electrode plate in a circular movement, the focus spot of the laser light is shifted in a thickness direction of the electrode plate.
    • 这种在电极板中形成通风孔的方法包括:粗糙化步骤,使等离子体处理装置的电极板的表面粗糙化,使得中心线平均粗糙度Ra变为0.2μm至30μm的范围; 以及通气孔形成步骤,在200〜600nm范围内的波长的激光束照射在电极板的粗糙面上,在电极板上形成通气孔,该电极板以厚度方式穿过电极板 方向,其中在所述通气孔形成步骤中,沿着所述电极板的平面方向旋转所述激光的聚焦点,以形成圆形照射区域,并且沿着所述电极板的平面方向移动所述照射区域 在圆周运动中,激光的聚焦点在电极板的厚度方向上偏移。
    • 6. 发明授权
    • Oscillation circuit and PLL circuit using same
    • 振荡电路和PLL电路采用相同方式
    • US5870000A
    • 1999-02-09
    • US805365
    • 1997-02-24
    • Atsushi MatsudaYuji Segawa
    • Atsushi MatsudaYuji Segawa
    • H03K3/0231H03L7/099H03L7/183H03L7/00
    • H03K3/0231H03L7/099H03L7/183
    • An oscillation circuit for producing an output whose frequency accords with an input voltage value, comprises a first constant current source whose current has a value according to the input voltage value; a charge capacitor to be charged by the first constant current source; a comparator having one input terminal connected to a charge terminal of the charge capacitor to be charged and an other input terminal supplied with a first reference voltage, for comparing inputs to both input terminals with each other and outputting an output signal having a high level or a low level; and first switch means for pulling down a potential of the charge terminal of the charge capacitor to a second reference voltage lower than the first reference voltage under control by an output of the comparator.
    • 用于产生其频率符合输入电压值的输出的振荡电路包括电流具有根据输入电压值的值的第一恒流源; 由第一恒流源充电的充电电容器; 比较器,其具有连接到要充电的充电电容器的充电端子的一个输入端子和被提供有第一参考电压的另一个输入端子,用于将两个输入端子的输入彼此进行比较,并输出具有高电平的输出信号或 低水平 以及第一开关装置,用于通过比较器的输出将充电电容器的充电端子的电位降低到低于第一参考电压的第二参考电压。
    • 10. 发明授权
    • Loudspeaker
    • 喇叭
    • US4252211A
    • 1981-02-24
    • US65626
    • 1979-08-10
    • Atsushi MatsudaJun Kishigami
    • Atsushi MatsudaJun Kishigami
    • H04R1/22H04R7/04H04R7/26H04R9/02H04R9/06H04R7/00
    • H04R7/04H04R1/22H04R7/26H04R9/02H04R9/063H04R9/025
    • A loudspeaker includes a flat plate diaphragm mounted in a speaker frame and which is driven by a plurality of magnetic drivers each having a magnetic gap, a voice coil bobbin connected to the diaphragm at a respective node portion of the divided vibration mode and a voice coil in the respective magnetic gap and being wound around the voice coil bobbin therein. Rotational vibration of the diaphragm is prevented by a pole member which is connected from the center of the diaphragm to a damper supported behind the speaker frame on a damper supporting frame. The leverage due to the longer length of the pole member makes the damper member more effective in resisting rotational vibration. The damper supporting frame is mechanically connected to the speaker frame and/or magnetic drivers to add stiffness to the structure.
    • 扬声器包括安装在扬声器框架中的平板隔膜,其由分别具有磁隙的多个磁驱动器驱动,在分隔振动模式的相应节点处连接到隔膜的音圈筒管和音圈 在各自的磁隙中并缠绕在其中的音圈筒管上。 通过从隔膜的中心连接到支撑在扬声器框架后面的阻尼器支撑框架上的阻尼器的极构件来防止隔膜的旋转振动。 由于极构件的长度较长的杠杆作用使阻尼构件更有效地抵抗旋转振动。 阻尼器支撑框架机械地连接到扬声器框架和/或磁性驱动器以增加结构的刚度。