General
• RoHs Certification
• Components
• Board Design
• Warehouse Management; JIT-delivery, First-in-First-Out (FIFO)
• Process Window is significantly smaller

Wave Soldering
The limited temperature range between Melting Point and the Soldering Temperature 
 •    Early Solidification

r  Incomplete fillets
r Shorts
 •    Higher Viscosity
r Shorts
 •    Solidification between Waves
r Cracking
r Shorts

SMT/Reflow Soldering                                                           • Solder Paste Identification • Cross Contamination by Tools See also Troubleshooting Pb-Free Technology

At Cobar Pb-Free solder paste is packaged in green colored materials