Optimum Solder Wave Profile Maximizes SMT Process Goals Solder Wave Peak Temperature 260°C Entrance to Solder Wave Exit from Solder Wave (Time in Wave - 5 to 10 Secs.) Flux Zone Preheat Zone Hot Air Debridging 250°C 225°C Exit from Solder Machine 80°C To 120°C 200°C Free Air Cool Degrees -°C 175°C 150°C Entrance to Solder Machine 125°C Bottom Side Temperature Range Entrance to In-Line Cleaner 150°C Max. 100°C 75°C Exit From In-Line Cleaner (Time in Cleaner May be Less) Immersion in Cleaning Vapor Top Side Nominal 50°C 25°C 0 1 2 3 4 5 6 Time (Minutes) 11/11/2005