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    • 5. 发明公开
    • 전자 부품 내의 고주파 전류 흐름을 상당히 억제할 수 있는 라디에이터
    • 高频电流抑制散热
    • KR1020010095275A
    • 2001-11-03
    • KR1020010017665
    • 2001-04-03
    • 가부시키가이샤 토킨
    • 요시다,시게요시아와쿠라,요시오오노,히로시
    • H05K7/20
    • H01L23/66H01L23/36H01L23/552H01L2924/0002H01L2924/01012H01L2924/01039H01L2924/30107H01L2924/3011H01L2924/00
    • PURPOSE: To provide a high-frequency current suppressing heat sink, where electromagnetic interference is prevented by sufficiently suppressing high-frequency current, even if an electronic part is used at high frequency. CONSTITUTION: For the heat sink 1, a plurality of wings are erected at a prescribed intervals on a base bottom plate 1b, whose one main surface side is a fitting surface as one body, and the fitting surface of the base bottom plate 1b is provided with a high-frequency current suppressing body 2, which attenuates high frequency current of several tens of MHz to several GHz band that flow the heat sink 1 itself. When it is mounted on a printed wiring circuit board 4 where a semiconductor integrated circuit element (IC) 5 is provided, the high-frequency current suppressing body 2 provided to the fitting surface of the heat sink 1 hits another equivalent high-frequency current suppressing body 3 film-formed around the IC 5 on the printed wiring circuit board 4 in advance, thus the heat sink 1 is added, while the entire surface of IC 5 is covered with the high-frequency current suppressing bodies 2 and 3.
    • 目的:提供一种高频电流抑制散热器,即使高频率地使用电子部件,也能充分抑制高频电流而防止电磁干扰。 构成:对于散热器1,在基底板1b上以规定的间隔竖立多个翼,其一个主面侧为配合面为一体,底座1b的嵌合面设置 具有高频电流抑制体2,其使流过散热器1本身的数十MHz至数GHz频带的高频电流衰减。 当安装在设置有半导体集成电路元件(IC)5的印刷布线电路板4上时,设置在散热器1的嵌合表面的高频电流抑制体2与另一个等效的高频电流抑制 预先在印刷布线电路板4上的IC5周围形成的本体3,从而在IC5的整个表面被高频电流抑制体2,3覆盖的同时加入散热器1。