HYBRID INTEGRATED CIRCUIT DEVICE
    1.
    发明申请
    HYBRID INTEGRATED CIRCUIT DEVICE 有权
    混合集成电路设备

    公开(公告)号:US20090086457A1

    公开(公告)日:2009-04-02

    申请号:US12233682

    申请日:2008-09-19

    IPC分类号: H05K7/02

    摘要: In a hybrid integrated circuit device that uses a metal substrate, a sound noise is prevented, which would otherwise be generated due to transmission, to the metal substrate, of vibration caused when a ceramic capacitor expands and contracts by switching ON and OFF a transistor. For improving a heat dissipation effect, a switching transistor driven by a driving pulse and a ceramic capacitor connected to the switching transistor are incorporated on a conductive path on an insulated metal substrate. Both ends of the ceramic capacitor are fixed to the conductive path by solders which are covered with a hard resin to be protected from a solder crack by thermal expansion of the metal substrate. The ceramic capacitor and the hard resin are wholly covered with a soft resin which absorbs noise due to expansion caused when the ceramic capacitor is switched, so that the metal substrate is prevented from resonating.

    摘要翻译: 在使用金属基板的混合集成电路装置中,当陶瓷电容器通过接通和断开晶体管而膨胀和收缩时,防止由于传输而向金属基板产生振动的声音噪声。 为了提高散热效果,由驱动脉冲驱动的开关晶体管和连接到开关晶体管的陶瓷电容器并入绝缘金属基板上的导电路径上。 陶瓷电容器的两端通过被硬质树脂覆盖的焊料固定到导电路径上,以通过金属基板的热膨胀来防止焊料裂纹。 陶瓷电容器和硬树脂完全被柔性树脂覆盖,该软树脂在陶瓷电容器被切换时由于膨胀而吸收噪声,从而防止金属基板发生谐振。

    Hybrid integrated circuit device
    2.
    发明授权
    Hybrid integrated circuit device 有权
    混合集成电路器件

    公开(公告)号:US08064212B2

    公开(公告)日:2011-11-22

    申请号:US12233682

    申请日:2008-09-19

    IPC分类号: H05K7/00

    摘要: In a hybrid integrated circuit device that uses a metal substrate, a sound noise is prevented, which would otherwise be generated due to transmission, to the metal substrate, of vibration caused when a ceramic capacitor expands and contracts by switching ON and OFF a transistor. For improving a heat dissipation effect, a switching transistor driven by a driving pulse and a ceramic capacitor connected to the switching transistor are incorporated on a conductive path on an insulated metal substrate. Both ends of the ceramic capacitor are fixed to the conductive path by solders which are covered with a hard resin to be protected from a solder crack by thermal expansion of the metal substrate. The ceramic capacitor and the hard resin are wholly covered with a soft resin which absorbs noise due to expansion caused when the ceramic capacitor is switched, so that the metal substrate is prevented from resonating.

    摘要翻译: 在使用金属基板的混合集成电路装置中,当陶瓷电容器通过接通和断开晶体管而膨胀和收缩时,防止由于传输而向金属基板产生振动的声音噪声。 为了提高散热效果,由驱动脉冲驱动的开关晶体管和连接到开关晶体管的陶瓷电容器并入绝缘金属基板上的导电路径上。 陶瓷电容器的两端通过被硬质树脂覆盖的焊料固定到导电路径上,以通过金属基板的热膨胀来防止焊料裂纹。 陶瓷电容器和硬树脂完全被柔性树脂覆盖,该软树脂在陶瓷电容器被切换时由于膨胀而吸收噪声,从而防止金属基板发生谐振。

    Circuit device
    9.
    发明授权
    Circuit device 有权
    电路设备

    公开(公告)号:US08614397B2

    公开(公告)日:2013-12-24

    申请号:US13188707

    申请日:2011-07-22

    IPC分类号: H05K1/16

    摘要: In a circuit device of the present invention, the lower surface side of a circuit board is covered with a second resin encapsulant, and the upper surface side and the like of the circuit board are covered with a first resin encapsulant. Since heat dissipation to the outside of the circuit device is achieved mainly through the second resin encapsulant, a particle size of filler contained in the second resin encapsulant is made larger than a particle size of filler contained in the first resin encapsulant. Heat dissipation to the outside of the circuit device is greatly improved.

    摘要翻译: 在本发明的电路装置中,电路板的下表面侧被第二树脂密封剂覆盖,电路板的上表面等被第一树脂密封剂覆盖。 由于主要通过第二树脂密封剂实现对电路器件外部的散热,所以第二树脂密封剂中包含的填料的粒径大于第一树脂密封剂中所含的填料的粒径。 对电路设备外部的散热大大提高。