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    • 31. 发明公开
    • 스크린을 구비한 인쇄회로기판
    • 印刷电路板与屏幕
    • KR1020120067958A
    • 2012-06-26
    • KR1020110135673
    • 2011-12-15
    • 세미크론 엘렉트로니크 지엠비에치 앤드 코. 케이지
    • 알렉산더바이겔마리오미첼
    • H05K9/00H05K3/46H05K1/18
    • H05K1/0218H05K1/0228H05K1/0237H05K2201/09354H05K2201/09618H05K2201/09972
    • PURPOSE: A printed circuit board which includes a screen is provided to improve electromagnetic compatibility(EMC) of an entire circuit board by arranging the screen between partial circuits which are sensitive to EMC interference. CONSTITUTION: A carrier plate(4) has an upper surface(6) and a lower surface(8). An electric circuit(12) comprises a first conductor track surface(10a) and a second conductor track surface(10b) separated from the first conductor track surface. The electric circuit occupies one or more parts(18) of the carrier plate. A printed circuit board(2) comprises a screen(20) which isolates the circuit from indirect electromagnetic radiation. The screen is arranged on the first conductor track surface. A first screen conductor track(22a) confines the part in a closed mode. A second screen conductor track(22b) is arranged on the second conductor track surface. The first screen conductor track and the second screen conductor track are mutually matched at least on a peripheral region(24). The screen penetrates the carrier plate on the peripheral region.
    • 目的:提供一种包括屏幕的印刷电路板,通过在对EMC干扰敏感的部分电路之间布置屏幕来提高整个电路板的电磁兼容性(EMC)。 构成:承载板(4)具有上表面(6)和下表面(8)。 电路(12)包括与第一导体轨道表面分离的第一导体轨道表面(10a)和第二导体轨迹表面(10b)。 电路占据载体板的一个或多个部分(18)。 印刷电路板(2)包括将电路与间接电磁辐射隔离的屏幕(20)。 屏幕布置在第一导体轨道表面上。 第一屏幕导体轨道(22a)将零件限制在闭合模式。 在第二导体轨道表面上布置有第二屏蔽导体轨道(22b)。 至少在周边区域(24)上相互匹配第一屏幕导体轨道和第二屏幕导体轨迹。 屏幕穿透周边区域上的载板。
    • 33. 发明公开
    • 분리 그라운드를 구비하는 인쇄 회로 기판과 이를 이용한휴대 단말기
    • 具有独立地面的印刷电路板和使用其的移动终端
    • KR1020090010801A
    • 2009-01-30
    • KR1020070074195
    • 2007-07-24
    • 삼성전자주식회사
    • 장석민이한덕라용준
    • H05K1/02H04B1/38
    • H05K1/0215H01Q1/243H04B1/3833H05K2201/09354
    • A PCB and mobile terminal using the same are provided to control ground length of a PCB by controlling inductance or capacitance of a connection device. A PCB comprises a substrate ground and connection devices(130, 131, 132). The substrate ground comprises main grounds(110, 111, 112) and isolation grounds(120, 121, 122). The isolation ground is separated from the main ground. The connection device is an inductor or a capacitor. A size of the main ground is larger than a size of the isolation ground. A ground length of the PCB is controlled according to inductance of the inductor or capacitance of the capacitor. If the inductance of the inductor increases, the ground length is increased. If the inductance of the inductor decreases, the ground length is decreased. If the capacitance of the capacitor increases, the ground length is decreased. If the capacitance of the capacitor decreases, the ground length is increased.
    • 通过控制连接装置的电感或电容,提供使用其的PCB和移动终端来控制PCB的接地长度。 PCB包括衬底接地和连接装置(130,131,132)。 衬底接地包括主接地(110,111,112)和隔离接地(120,121,122)。 隔离地与主地相分离。 连接装置是电感器或电容器。 主地面的尺寸大于隔离地面的大小。 PCB的接地长度根据电感的电感或电容的电容来控制。 如果电感的电感增加,则接地长度增加。 如果电感的电感减小,则接地长度减小。 如果电容器的电容增加,则接地长度减小。 如果电容器的电容减小,则接地长度增加。