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    • 4. 发明授权
    • Electronic apparatus having a printed circuit board with multi-point grounding
    • 具有多点接地印刷电路板的电子设备
    • US06573804B2
    • 2003-06-03
    • US09804265
    • 2001-03-13
    • Seiji Hayashi
    • Seiji Hayashi
    • H03H738
    • H05K1/0234H01L23/64H01L23/66H01L2224/48137H01L2924/30107H01L2924/3011H05K1/0215H05K1/0237H05K1/148H05K3/36H05K2201/09809H05K2201/10022H05K2201/10356H01L2924/00
    • An electronic apparatus comprises a conductive device frame, a signal transmitting print wiring plate arranged on said conductive device frame, incorporating a digital clock circuit and having a ground conductive member, a signal receiving print wiring plate arranged on said conductive device frame, incorporating a digital clock circuit and having a ground conductive member, a cable including a signal wire and a ground wire for a signal transmission and electrically connecting said signal transmitting print wiring plate to said signal receiving print wiring plate on said conductive device frame and an impedance element electrically connecting an arbitrary single point on the ground conductive member of said signal receiving print wiring plate to said conductive device frame, wherein said impedance element has circuit parameters equivalent to impedance characteristics between said cable ground wire and said conductive device frame.
    • 电子设备包括导电器件框架,布置在所述导电器件框架上的信号传输印刷布线板,包括数字时钟电路并具有接地导电构件,布置在所述导电器件框架上的信号接收印刷布线板,包括数字 时钟电路并具有接地导电部件,电缆,包括用于信号传输的信号线和接地线,并将所述信号传输印刷布线板电连接到所述导电装置框架上的所述信号接收印刷布线板和电连接 所述信号接收印刷布线板的接地导电部件上的任意单点到所述导电器件框架,其中所述阻抗元件具有与所述电缆接地线和所述导电器件框架之间的阻抗特性相当的电路参数。
    • 5. 发明授权
    • Frequency multiplier, dielectric transmission line device and radio device
    • 频率倍增器,介质传输线路设备和无线电设备
    • US06262641B1
    • 2001-07-17
    • US09326202
    • 1999-06-04
    • Takatoshi KatoKoichi SakamotoAtsushi Saitoh
    • Takatoshi KatoKoichi SakamotoAtsushi Saitoh
    • H03H738
    • H03B19/14
    • In a dielectric transmission line device and a radio device using a dielectric transmission line device, an output matching circuit is constructed in a simplified fashion and an output signal of a frequency multiplier is output via a dielectric transmission line. The frequency multiplier is constructed in a small form in the dielectric transmission line device so as to obtain a dielectric transmission line device with a small total size and also obtain a small-sized high-efficiency radio device using such a dielectric transmission line device as a transmission line for transmitting a transmission signal. An input matching circuit is disposed between an input terminal and an FET for generating a harmonic. An open-ended transmission line is also provided which is coupled with an electromagnetic field of a dielectric transmission line in the form of a dielectric strip.
    • 在介质传输线装置和使用电介质传输线装置的无线电装置中,以简化的方式构成输出匹配电路,经由介质传输线输出倍频器的输出信号。 在介质传输线路器件中以倍频器的形式构造倍频器,以获得总体尺寸小的介质传输线路器件,并且还可以获得使用这样的介质传输线路器件的小型高效无线电设备 用于发送发送信号的传输线。 输入匹配电路设置在输入端子和用于产生谐波的FET之间。 还提供了开口传输线,其与介质条形式的电介质传输线的电磁场耦合。
    • 8. 发明授权
    • RF matching unit
    • 射频匹配单元
    • US06816029B2
    • 2004-11-09
    • US09935582
    • 2001-08-24
    • Dae-Kyu ChoiYoung-Min MinSang-Mun ChonYun-Sik YangJin-Man Kim
    • Dae-Kyu ChoiYoung-Min MinSang-Mun ChonYun-Sik YangJin-Man Kim
    • H03H738
    • H01J37/32082H01F2021/125H01J37/32183
    • An apparatus for matching the impedance of an RF generator to the impedance of an RF load, for use in manufacturing semiconductor devices by using a plasma. The apparatus includes a variable inductor coupled to a variable capacitor and an invariable capacitor, the variable inductor having two inductors coupled electrically with each other in series and disposed adjacent to each other. At least one of the two inductors is disposed movably to make the magnetic flux of the one inductor interfere with the magnetic flux of the other inductor, thereby to control the inductance of the variable inductor. In the case of a plasma enhanced semiconductor wafer processing system, the apparatus can reduce the time necessary to achieve an RF match between the RF generator and the RF load, thereby increasing the life of the apparatus.
    • 一种用于将RF发生器的阻抗与RF负载的阻抗相匹配的装置,用于通过使用等离子体制造半导体器件。 该装置包括耦合到可变电容器和不变电容器的可变电感器,该可变电感器具有串联并彼此相邻布置的彼此电耦合的两个电感器。 两个电感器中的至少一个被可移动地设置,以使一个电感器的磁通量与另一个电感器的磁通量相互干扰,从而控制可变电感器的电感。 在等离子体增强半导体晶片处理系统的情况下,该装置可以减少在RF发生器和RF负载之间实现RF匹配所需的时间,从而延长设备的使用寿命。