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覆铜铝基板在功率模块上的应用研究

作者:秩名 时间:2015-10-14 16:29

  DAOREXINGNENGBIJIAO

  WUTIDEDAOREXINGNENGCHANGCHANGYONGREZULAIHENGLIANG,QIBIAOSHIDUIWUTIDUIRELIANGCHUANDAODEZUAIXIAOGUO。

  REZUDEGONGSHIWEI:Rth=d/K×ASHIZHONG,

  dBIAOSHICAILIAODEHOUDU;

  KBIAOSHIJIEZHIDAOREXISHU;

  ABIAOSHIDAOREDENGXIAOJIEMIANJI。

  CONGGONGSHIKEJIAN,REZUYUCAILIAOHOUDUCHENGZHENGBI,YUDAOREXISHUHEDAOREYOUXIAOMIANJICHENGFANBI。SUOYIZAICHANPINXIAOXINGHUA、QINGXINGHUADEFAZHANYAOQIUSHANGWOMENGENGXIWANGCAILIAODAOREXISHUYUEDA,CAILIAODEHOUDUYUEBO。SHIYANG1DEREZUZHUYAOYOUDIYICENGHANXICENGR1、DBCFUTONGBANR2、DIYICENGHANXICENGR3HETONGDIBANR4GOUCHENG。SHIYANG2DEREZUZHUYAOYOULVBANR5、JUEYUANCENGR6、HANXICENGR7。WEILEBIANYUJISUANWOMENDOUHULVEDBCTONGPIANHELVJIBANTONGBODEYINGXIANG,TONGSHIJIASHEHANXICENGJUNWEI0.1mmHOU,ZE

  R1=d1/K1×A1=0.1×10-3/60×400×10-6=0.004167(K/w),R3=R1=R7

河北快3   R2=d2/K2×A2=0.63×10-3/30×400×10-6=0.0525(K/w)

  R4=d4/K4×A4=3×10-3/398×400×10-6=0.018844(K/w)

  R5=d5/K5×A5=1.42×10-3/238×400×10-6=0.014916(K/w)

河北快3   R6=d6/K6×A6=120×10-6/3×400×10-6=0.1(K/w)

  SHIYANG1ZONGDEREZUR=0.079678(K/w),ERSHIYANG2ZONGDEREZUR0=0.119083(K/w)。KEJIANSHIYANG2DEREZUJINBISHIYANG1SHAOGAO,DANCONGSHIJIHANJIEJIAODUKAOLV,CHUANTONGHANJIEDUOLEYIHANXICENG,WANGWANGBUKEBIMIANCUNZAIKONGDONG,SHIQIREZUDADAZENGJIA。ERFUTONGLVJIBANDEJUEYUANCENGBUCUNZAIKONGDONGWENTI,FUHEJIAOHAO,YINCIYULILUNZHIGENGWEIJIEJIN。

覆铜铝基板在功率模块上的应用研究




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