电子器件冷却技术

,,230043;;/.:,PACC:71201.,,.,,.1.1::().,100%,100%,,.,,.:IC.1AX1,Y1,...X2,Y2,...;Q;,EX1+EY1+=EX2+EY2++Q(1),Q0,.1.,,LNA,:2004210215273Vol.27,No.320058CHINESEJOURNALOFLOWTEMPERATUREPHYSICSAug.,2005©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.....,.1.2,:,.,,..,..,,..1.3,:,...120K.,..,ICDSPLNA;,.,..()GM(LN2LHe)((,)65227©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,,.,,:);;.,,,:,;,,;,().,,:2.(a)TaTcQc=Ein-Eout;(b)TaTcQc=Ein-Eout+ErA2;Ta2;B2;C2();Tc2();EinEout2;Qc2();Er22.1,..:,.,.,..,.7523:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.,,,,,.3,,71.5cm.77K,.4..34CO2.100150W/cm2,1020W/cm2,50,,1/50.,..0.001100,.55100W/cm2,50m500m==(510m)(810m).,.,1cm2K/W,0.1cm2K/W,1cm2150W/cm215.0.05cm2K/W.,,,.20052006,IC200W/cm2,.2.285227©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,1000.6,.672.37,,.IC,,.(IGBT),600W/cm2.1kW/cm2.2.4.,,,,.,.,,,..,.8CPU,3,(8),,,,.,...9523:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.33.19,3mm,,,.9()10()10,.11,.,.,.MEMS,11().3.2,,,.,,.(),06227©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..60%70%,3050%,8%.,,,,,.,(12).,,.,(13).12134(1),;(2),,,,,.,,,.1623:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.NEWTECHNOLOGIESOFELECTRONICSCOOLINGCHENDENG2KEVacreeTechnologiesCo.,Ltd.,Hefei230043(Received15October,2004)Thispaperdiscussedtheelectronicsobjectsneedtobecoolingandcoolingmeth2ods.Somenewconceptcoolingmethodsandapparatus,suchasmicro2channel,inte2gratedheatcircuit,heatejection,havebeenintroduced.Keywords:Electronics,CoolingPACC:712026227©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.