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1、电子封装材料之功能陶瓷_下篇（Electronicpackagingmaterialsoffunctionalceramics_2）Electronicpackagingmaterialsoffunctionalceramics_the.TxtComrades:donotinvestinstocks,theriskistoobig,ortofu'ssafety!Dothehard,itisdriedbeancurd,dodiluteisbeancurdbrain,dothinisbeancurdskin,donothaveissoyabeanmilk,putsmelly,itissmel
2、lybeancurd!Cannotlose!Thisarticleiscontributedbyjidushan_34PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Filmmaterial,conductorfilmmaterialThemainuseoftypesandpropertiesofconductorfilmmaterialformingcircuitpattern,andl
3、eadtomutualprovideelectrodesemiconductorelement,semiconductorchip,resistorsandcapacitorswithmetallizedcircuitcomponents,andtoensuretheconnectionbetweenthemetalsemiconductorohmiccontacts,requirements:thebindingsiteofmetalandsemiconductornottoformabarrierforNtypesemiconductorandtheworkfunctionofthe
4、metalsemiconductorworkfunctionthanforsmallPtypesemiconductor,theoppositeofmetalandsemiconductorwiththespacechargelayerofthewidthisnarrow,electronsdirectlyfromthemetalandsemiconductormigrationlimitetc.2.FilmmaterialConductivefilmmaterial;resistorfilmmaterial;dielectricfilmmaterial;functionalfilmma
5、terial2.Filmmaterial,conductorfilmmaterialThekindofmaterialpropertiesandtheactualsituationwithsurfacetreatmentinsemiconductor,conductorandsemiconductorsurfaceoftenhavethinoxidefilm,buttheelectroniceffectcanbethroughthetunnelthroughthefilm,sothereisnobigproblemaccordingtodifferentsurfacetreatmentc
6、onditions,thesurfacestateofasemiconductorwillchangetheworkfunctionofthecorrespondingmetalandsemiconductorwillchangetheworkfunctionandsurfaceenergy,crystalorientationandotherrelated,mustpayattentiontoitsvaluechanges2.Filmmaterial,conductorfilmmaterialTheconductormaterialtypesandpropertiesofotherwi
7、ringandelectrode,shouldalsohavethefollowingcharacteristics:highconductivityofcircuitelementdoesnotproduceharmfuleffects,asohmicconnectionhighthermalconductivity,highmechanicalstrength,fortheelectrochemicalreactionofalk
