SurfaceMountTechnologyIntroduction表面贴装技术简介Definition/定义2➢SMT-SurfaceMountingTechnology:SMTisaprocessorassemblytechniquebywhichcomponentsaresolderedontotheboardsurface
/SMT是把零件焊接到印刷线路板表面的工艺或装配技术
LearningObjective3➢》GeneralProcessEngineeringIntroduction/一般的工艺流程介绍➢》SMTvsTHT/表面贴装技术vs通孔装配技术➢Composition/组成➢AssemblyClassifications/装配分类➢Advantages/优点➢DevelopmentTrend/发展趋势➢SMTdefect&Countermeasure/SMT不良及改善对策》Processflow/工艺流程图4PrintingPasteInspectionPlacementReflowsolderClearingPCBFAFunctionTestPackingFQAInspectionShippingOKNGVisualInspectionICTTESTPCBAFUNCTIONTESTBoxBuildingReworkNGNGOKOKNGOKVisualInspectionAOTtestHandloadingWavesolderOKReworkOKNGNGOKPCBAProcessFlowChart/SMT工艺流程图SMTEquipmentOverview/SMT设备纵览5SurfaceMountingTechnologyPrinterP&PP&PReflowOvenAOIQualitycontrolpointQualitycontrolpointPro