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1、AppliedMechanicsandMaterialsVols.148-149(2012)pp963-967Onlineavailablesince2011/Dec/22atwww.scientific.net©(2012)TransTechPublications,Switzerlanddoi:10.4028/www.scientific.net/AMM.148-149.963ElectrolessPlatingNickelFilmonSurfaceofEpoxyResinandEvaluationofItsElectromagneticShieldingEffect
2、iveness1,a1,b1,c1,dPengJin,Shi-YunDong,Bin-ShiXu,Zhan-YongSong1ScienceandTechnologyonRemanufacturingLaboratory,AcademyofArmoredForcesEngineering,Beijing100072,Chinaabcdjinpeng1301@163.com,syd422@sohu.com,xubinshi@vip.sina.com,stranger303@163.comKeywords:EpoxyResin;Electrolessnickelplating
3、;Electromagneticshieldingeffectiveness.Abstract.NickelcoatingwaspreparedonsurfaceofEpoxyResinplatebyelectrolessplatingprocess.Surfaceandsectionmorphologiesofthecoatingswereobservedbyscanningelectronmicroscopy(SEM)andmetallographicopticmicroscopy.Electromagneticshieldingeffectivenesswaseva
4、luatedviaflangedcoaxialelectromagneticshieldingeffectivenesstester.Theresultsshowedthatthesurfaceofthenickelcoatingpreparedbyelectrolessplatingprocesswassmooth,anditsstructurewasfineandcompact.Theelectrolessdepositionrateofthenickelcoatingreachedat12µm/h.Inthefrequencyrangeof300kHzto100MH
5、ztheelectromagneticshieldingeffectivenessofthenickelcoatingwasabove60dB,andinthefrequencyrangeof100MHzto1.5GHztheelectromagneticshieldingeffectivenessofthenickelcoatingwasabove44dB.IntroductionEpoxyresinisonekindofthermosettingpolymermaterialswithgoodadhesive,electricalinsulation,corrosio
6、nresistance,highstrengthandotherproperties.Inthemeantimeasanelectronicdeviceandintegratedcircuitspackagingmaterial,itiswidelyusedinelectronicsindustrytopreventmoisture,dustandharmfulgasfromingressingintoelectronicdevicesorintegratedcircuits[1-3].Butasakindofelectricalinsulatormaterials,th
7、eepoxyresinhasnoshieldingfunctionforelectromagneticwaves.Itmustbeprocessedforthemetallizationandconductivetreatmentinordertohavethefunctionofelectromagneticshieldingeffectiveness.Theelectrolessplatingasaneffectivemethodfornon-metallicsurfacemetallizingsatisfiesthepe
