杜邦產品介紹.ppt
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1、Introduction to Flexible Circuit Materials,Presented by:Jonathan C.Li,m,Part II:(40 minutes),簡報大綱,軟性電路板基材之介紹基材的主要CompositionDielectric Substrates(絕緣體)Adhesive(膠質)Conductor(導體),m,簡報大綱(continue),杜邦產品壓克力膠系列(Modified WA Acrylic)之基材環亞樹脂膠系列(Modified Epoxy)之基材杜邦 料號解說PyraluxTelcam,m,軟性電路板之主要基材,Copper Clad L
2、aminates(銅箔基材)Single-Sided C.C.L.(單面銅箔基材),Adhesive,Conductor,Dielectric Substrate,m,Double-Sided C.C.L.(雙面銅箔基材),Conductor,Dielectric Substrate,Adhesive,軟性電路板之主要基材,m,Adhesive-Less C.C.L.(無膠銅箔基材),Dielectric Substrate,Conductor,軟性電路板之主要基材,m,Coverlay(覆蓋膜),軟性電路板之主要基材,m,Stiffner(補強材),軟性電路板之主要基材,Dielectric
3、 Substrate,Adhesive,m,Bondply,Dielectric Substrate,Adhesive,Adhesive,軟性電路板之主要基材,m,Mylar,Adhesive,Kapton,Adhesive,Sheet AdhesivePhotoImageable Coverlay(PIC)Dry FilmFine-Line ApplicationCameraAutomotiveOthers,軟性電路板之主要基材,m,Dielectric Substrates,DefinitionA base film on which the printed conductors are
4、laid.A film which provides electrical insulation between conductors.A film which provides mechanical strength of the circuit.,m,必備之特性Mechanical StrengthFlexibilityDimensional StabilityDielectric PropertiesThermal PropertiesChemical ResistanceMoisture AbsorptionCost,Dielectric Substrates,m,Substrates
5、 之種類PolyimidePolyesterFluorocarbonAramid PaperComposite,Dielectric Substrates,m,Polyimide:Popularized by DuPont under“Kapton”Also known as PI First choice of film in most FPCInfusible and flame retardantHigh Tg(約 260C-280C)Good dimensional stability,Substrates,m,Substrates,Polyester:Popularized by D
6、uPont under“Mylar”Also known as PETLowest cost dielectric materialMostly used in low-cost consumer applicationGood mechanical propertiesBad thermal properties,m,Substrates,Aramid Paper:Sold under DuPont trade name“Nomex”Used in specialized applicationGood thermal insulation material,m,Property Polye
7、ster Polyimide Fluorocarbon Aramid Paper Composite,Tensile Strength Excellent Excellent Fair Good Best,Flexibility Excellent Excellent Excellent Good Fair/Good,Dim.Stability Fair/Good Good Fair Good Fair/Good,Dielectric Str.Good Good Very Good Very Good Good,Solderibility Poor Excellent Fair Excelle
8、nt Excellent,C.O.T.(C)105 200-230 150-180 220 105-180,Thermal Exp.Low Low High Moderate Low,Chem.Resist.Good Good Excellent Very Good Fair,Moisture Absorp.Very Low High Very Low Very High Low,Cost Low High High Moderate Moderate,Trade Name Mylar Kapton Teflon/Tedlar Nomex,Dielectric Substrates,m,Adh
9、esive,DefinitionMaterial that bonds layers togetherThermosettingThermoplastic,m,Adhesive,必備之特性Adhesion StrengthFlexibilityChemical ResistanceThermal ResistanceMoisture AbsorptionElectrical PropertiesCost,m,Adhesive,Adhesive之種類PolyesterAcrylicEpoxyPolyimideButyral Phenolic,m,Adhesive,Polyester:Used w
10、here the dielectric is also polyesterUsed where no soldering is neededTypical application:Instant camera film interconnectsInstrument cluster connection in automobiles,m,Adhesive,Acrylic:Used in demanding temperature requirement applicationMost popular acrylic system is Pyralux by DuPontExcellent ad
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