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SummaryOfElectronicCeramicMaterialsChinessname:梁福霞Engnishname:LucyStructureandApplicationDevelopmentdirection點擊添加文本點擊添加文本contentsBasicconceptsBriefhistoryofthedevelopmentWhatistheelectronicceramicsElectronicceramicsisakindofnorganicnonmetallicsolidmaterialThemainchemicalbondingforceistheionicbondandcovalentbond
Usingitselectric,magnetic,sound,light,heat,andotherdirecteffectsandcouplingeffecttoachieveafunctionofadvancedceramicmaterialsHowdoesthedevelopmenthistory?AfteraWorldWar,thedemandofthehighperformanceofmotorvehiclesandaircraftenginesparkplugpromotesthedevelopmentofhighelectricalinsulatingmaterialsInthetwoWorldWar,UniversalapplicationofceramiccapacitorsinelectronicequipmentpromotesthedevelopmentofdielectricceramicsIn1940s,bariumtitanateferroelectricceramicswithspontaneouspolarizationhasbeendevelopedIn1960s,theleadzirconiumtitanatepiezoelectricceramicsaredevelopedforthewideuseoftheenergyexchangedevice
In1980s,SuperconductingceramicsaredevelopedInearlytwenty-firstCentury,graphenewassuccessfullyisolated.Howdoesthestructure?Itisapolycrystallinemultiphasematerials
microstructureStructureofPCBMofHOMOandLUMOWhatareasofapplication?Theearliestceramics,makingchinawareSuperconductingceramicusedinstealthfighterNanomaterialsofelectronicceramicsElectronicceramicthinfilmElectronicdeviceElectricitysupplierscommunicationfieldHowdoesthedevelopmentdirection?miniaturizationWiththerapiddevelopmentofmobilecommunicationandsatellitecommunication,therequirementsforminiaturizationofdevicesarebecomingmoreandmoreurgent.Inparticular,theuseofelectronicceramicmaterialsbasedonvarioustypesofpassivecomponents,isthemainbottleneckoftheminiaturizationofthewholemachine.Therefore,miniaturization(includingchip)isanimportanttargetforresearchanddevelopmentofcomponents,themarketdemandisalsoverystrong.HighfrequencyandfrequencyseriesHighfrequencyistheinevitabletrendofthedevelopmentofdigital3Cproducts.Tomobilecommunicationasanexample,themaincharacteristicsofthefirstgenerationmobilecommunicationisinthe800~900MHz,thesecondgenerationmobilecommunicationwithdigitalsignalasthemaincharacteristicsis900MHzand1.8GHz,atpresent,thefrequencyofthethirdgenerationmobilecommunicationsystemisstudiedin2GHz.Howtoadapttothehighworkingfrequencyisaseverechallengetotheceramicmaterialofallkindsofelectroniccomponents.Therefore,itisahotresearchtopicinthefieldofnewelectroniccomponentstofindthefunctionalceramicmaterialwithgoodhighfrequencycharacteristicsandseriesofworkingfrequency.IntegrationandmodularizationAtpresent,themobilephoneandnotebookcomputertofurthermoreconvenient,morefunctional,fulldigitalandhighintegrationandlowcostdirectiondevelopment,greatlypromotedtheelectroniccomponentsofthechip,miniaturizationandlowcostanddevicecombination,functionalintegrationofthedevelopmentprocess.Integratedfunctionalceramiccomponentsarebasedonlowtemperaturecofiredceramicastheplatform,multilayerceramictechnologyisadoptedtointegratethecapacitance,inductanceandresistancematerialintothelowtemperaturecofiredceramicsubstrate,formingapassiveintegratedceramicdevice.LeadfreeandenvironmentalcoordinationInrecentyears,withtherequirementofenvironmentalprotectionandsustainabledevelopmentofhumansociety,theresearchanddevelopmentofnewenvironmentallyfriendlyironvoltageceramicshasbecomeoneofthehotresearchanddevelopmentofthedevelopedcountries.In2001,theEuropeanParliamentpassedadecreeonthelimitsofharmfulsubstancesinelectricalandelectronicequipment,andhasscheduledtobeimplementedin2008,whichislimitedtotheuseofsubstancesincludingleadbasedpiezoelectricdevices.Thedevelopmentofinfor
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