L - Rolko
www.hytek.eu www.hytekaalborg.dk © ® IPC standarder www.hytekaalborg.dk 2 © ® Generel anvendelse af IPC standarder www.hytekaalborg.dk 3 © ® IPC-A-600H-2010 Workmanship IPC-A-600 Design Specifications Laminates IPC-7351 2220-KIT IPC-6010 series IPC-4101 Documentation Surface Finish IPC-2510 IPC-2581 IPC-D-325 www.hytekaalborg.dk Fx IPC-4552 (NiAu) 4 Solder Mask SM-840 © ® Default Requirements www.hytekaalborg.dk 5 © ® Borekvalitet www.hytekaalborg.dk 6 © ® Laminat-”kvalitet” Bore- / pletteringsproblem Fugtfølsomhed / Delaminering www.hytekaalborg.dk 7 © ® Ikke acceptabel pletteringskvalitet www.hytekaalborg.dk 8 (Ustresset PCB) © ® Annularringsbrud www.hytekaalborg.dk 9 © ® Delaminering Fugtfølsomhed: IPC-1601 www.hytekaalborg.dk 10 © ® Eksempel på presseparametre (Isola) www.hytekaalborg.dk 11 © ® Pad lifting relateret til CTE Pad lifting Brud www.hytekaalborg.dk 12 © ® IPC-4101 Laminat specifikation www.hytekaalborg.dk 13 © ® IPC-4101 Laminat specifikation Prepreg eksempel – IPC-4101/25 www.hytekaalborg.dk 14 © ® IPC-4101 Laminat specifikation (Eksempel: Type 126) www.hytekaalborg.dk 15 © ® IPC-4101 Laminat specifikation (Eksempel: Type 126) www.hytekaalborg.dk 16 © ® Base material UL - approval Product safety may require that the base materials withstand tests performed by a product safety agency Ex. Underwriters Laboratories. Tests include: Flame retardance (UL 94) Printed board construction (UL 796) Base material (UL746). www.hytekaalborg.dk 17 © ® ANSI/UL Type Materials may be classified based on generic material type and tests conducted in accordance with ANSI/UL 746E, "Polymeric Materials - Industrial Laminates, Filament Wound Tubing, Vulcanized Fibre, and Materials Used in Printed-Wiring Boards." ANSI/UL Type Resin Reinforcement Material X Phenolic Paper XP Phenolic Paper XPC Phenolic Paper XX Phenolic Paper XXP Phenolic Paper XXX Phenolic Paper XXXP Phenolic Paper XXXPC Phenolic Paper C Phenolic Cotton fabric CE Phenolic Cotton fabric L Phenolic Cotton fabric LE Phenolic Cotton fabric G-3 Phenolic Continuous-filament-woven glass fabric G-5 FR-4 Epoxy Continuous-filament-woven glass fabric Melamine Continuous-filament-woven glass fabric G-7 Silicone Continuous-filament-woven glass fabric G-9 Melamine Continuous-filament-woven glass fabric G-10 Epoxy Continuous-filament-woven glass fabric G-11 Epoxy Continuous-filament-woven glass fabric FR-1 Phenolic Paper FR-2 Phenolic Paper FR-3 Epoxy Paper FR-4 Epoxy Continuous-filament-woven glass fabric FR-5 Epoxy Continuous-filament-woven glass fabric CEM-1 Epoxy Continuous-filament-woven glass fabric surfaces, cellulose paper core CEM-3 Epoxy Continuous-filament-woven glass fabric surfaces, nonwoven glass core GPO-2 Polyester Random-laid material of glass fibers GPO-3 Polyester Random-laid material of glass fibers FR-6 Polyester Random-laid material of glass fibers GPY Polyimide Continuous-filament-woven glass fabric www.hytekaalborg.dk 18 © ® Eksempel på uddrag af datablad for PCB (Isola 370 HR) www.hytekaalborg.dk 19 © ® Eksempel på uddrag af oversigt for laminater (Isola) www.hytekaalborg.dk 20 © ® Z-axis expansion CTE og Tg CTE Z Post Tg CTE xy Pre/Post Tg CTE Z Pre Tg Copper expansion rate Tg Temperature www.hytekaalborg.dk 21 © ® Tg CTEZ Pre Tg CTEZ Post Tg : 120 °C : 59 ppm/°C : 301 ppm/°C IPC-4101/21 (Standard laminate) www.hytekaalborg.dk 22 © ® Tg CTEZ Pre Tg CTEZ Post Tg : 168 °C : 64 ppm/°C : 253 ppm/°C IPC-4101/24 (High Tg laminate) www.hytekaalborg.dk 23 © ® Tg CTEZ Pre Tg CTEZ Post Tg : 258 °C : 62 ppm/°C : 184 ppm/°C IPC-4101/40 (Polyimide) www.hytekaalborg.dk 24 © ® Polyimide PCB after stress test 288°C/10 sec. www.hytekaalborg.dk 25 © ® Komponenter vs PCB CTEZ CTE kobber vs CTE laminat www.hytekaalborg.dk 26 PCB build-up !! © ® Revner i fx keramiske kondensatorer www.hytekaalborg.dk 27 © ® Specifikation Eksempel PCB data Single sided, double sided, multi layer PCB size – L= mm / W= mm / tolerance Laminat tykkelse / tolerance Panelstørrelse Laminat / prepreg type / f.eks. IPC-4101/24 Tg>130C, CTE post Tg Z <300ppm/C Warp and twist Antal opvarmninger RoHS ? www.hytekaalborg.dk 28 © ® PCB pålidelighed 2013 Anvendelses miljø for produkt – – Analyser og definer slutbruger miljø Definer produkt krav Design for manufacturing (DfM) – – Levetid Pålidelighed PCB specifikation – Specificer klart og tydeligt!! Temperatur cycling Vibration Shock IPC-A-600H-2010 IPC-6010 Serie Klassifikation!!!!! Type laminat – Specificer klart og tydeligt!! IPC-4101 IPC-4202 Fokus på relevante elementer for pålidelighed !!! ”Godkendt” producent www.hytekaalborg.dk 29 © ®
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