Everysolderpastemanufacturerwantstoacquiremorecustomersandsellmoresolderpaste.Toachievethis,wemusthaveathoroughunderstandingofthedemandsofrelevantpurchasersfortheproducts.Next,ShenzhenJJYSolderPasteManufacturerwilltalkaboutwhatthemorecommondemandsare:１PoorconditionssuchasWuxibeads,continuoussolderingorfalsesoldering,andmissedsoldering.Theseconditionsarerelativelytypicaldefectsinelectronicsoldering,andgenerally,manufacturerswillconductrelativelystrictinspectionsandcontrolsonthem.Goodqualityshouldbeguaranteedinproduction......
WhileweareconductingSMTDuringsurfacemounttechnology(SMT)processing,leadedsolderpasteorlead-freehigh-temperaturesolderpasteisusuallyused.Forcardboardboards,weusemedium-temperaturesolderpaste,andforLEDAluminumsubstrateplate,highpowerLEDThenlow-temperaturesolderpasteisrequired,andT5T8Fluorescentlampsrequiremorehigh-temperaturesolderpasteandlessmedium-temperaturesolderpaste.ForLEDSoftboardsheetMPCForboards,high-temperaturesolderpasteisgenerallyonlyusedinsteadofmediumandlow-temperaturesolderpaste,asmediumandlow-temperaturesolderpasteispronetocausecomponentdroppingproblems.Asforscattering......
LEDDiebondingsolderpastenotonlyhasahighthermalconductivity,lowresistanceandfastheattransfer,butalsocanmeettherequirementsLEDTheheatdissipationrequirementsofthechip,aswellasthestablequalityofthesurfacemountandhighmechanicalstrengthofthesoldering,caneffectivelyensurethereliabilityofdiebonding.Thesolderpastemanufacturerbrieflydiscussesthespecificcharacteristicparameters:Thermalconductivity:ThemainalloyofdiebondingsolderpasteSAgCuThethermalconductivityofisapproximately67W/m·KIthaslowresistanceandfastheattransfer,whichcanmeettherequirementsLEDTheheatdissipationrequirementsforchips(generally,thethermalconductivityofsilverglueisusually.1.5-25W/m·K......
Duringtheuseoftinbars,thereisaconsiderableamountoftinslag,whichcanbeclassifiedintohandimmersionfurnacesandwavewavefurnaces(Wavepeakfurnacescomeinsemi-automaticandfullyautomatictypes)Let'sconductananalysis.Now,thesolderpastemanufacturerwillleadeveryonetoanalyzeit:1Generallyspeaking,forhandimmersionfurnaces,theissueofexcessivetinbarsandtinslagisunderstandableandoftenoccurs.Customershavereportedthatthetinsurfaceturnsyelloworpurple.Thissituationmightbeduetosignificanttemperaturedeviationsduringtheoperationofthefurnace,suchashightemperatureorpersistenttinfurnaces......
Everyonewantstousegoodsolderpasteandisafraidofbuyinginferiorsolderpaste,whichwouldwastetimeandenergy.Sowhatkindofsolderpastecanberegardedasgoodsolderpaste?Today,thesolderpastemanufacturerwillexplaintoeveryone:Itisverydifficulttojudgethequalityofsolderpasteinthemarketbyhumaneyes.Onlytestscanbeusedforjudgment.Theinspectionisgenerallycarriedoutintwooperationsteps:First,theevaluationreportafterthesolderpasteisprinted.ThesolderpasteisprintedonPCBAfterthepanelisapplied,iftherearevariousproblemssuchastinadhesion,insufficientadhesion,collapse,orpeeling,arrangethem......
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