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时间: 2019-12-28 20:28
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Packaginghasalwaysbeenthe“AchillesHeal”ofextract-ingthemaximummicrowaveperformanceoutofanyICtechnology.Theinherentparasiticcapacitanceandin-ductanceassociatedwithbondwires,leadframes,andencapsulatingdielectricmaterialsdominatethefnalproductshighfrequencyperformance.OnewaytosolvethisproblemistoeliminateparasiticcausingfactorsandmaketheICbecomethepackage.ThisisthebasisofWSP(WaferScalePackaging).GaAs-BasedSurfaceMountWaferScalePackageMMICsforDCto45GHzApplicationsWhitePaperBy:HenrikMorknerI.IntroductionPackaginghasalwaysbeenthe“AchillesHeal”ofextract-AvagoTechnologieshasbeenexperimentingwithWSPforingthemaximummicrowaveperformanceoutofanyICover10years.Itwasoriginallydevelopedtoprovidealowtechnology.Theinherentparasiticcapacitanceandin-costhermeticpackageforFBARMEMssilicontechnology.ductanceassociatedwithbondwires,leadframes,andLeveragingoffsiliconwaferbondingtechnology,theWSPencapsulatingdielectricmaterialsdominatethefinalsolutionwasappliedtoGaAsPHEMTICfab……