Patent ID: 8807416
Filing Date: 2014-08-19
Classification: B23K,H05K

Abstract:
1. A reflow soldering system which transports a printed circuit board on which a solder paste has been printed or coated to a sealable heating oven for reflow soldering, wherein said heating oven is provided with a contact heating unit which has a transport rail which supports an outer edge part of said printed circuit board from below and a top heat transfer heater which supports an outer edge part of said printed circuit board from above, and with a hot gas blowing heating unit for heating inside of the printed circuit board, said transport rail contains heat transfer heaters embedded therein which heat the outer edge part of the printed circuit board, said transport rail or top heat transfer heater moves in an up-down direction after loading of said printed circuit board so that said transport rail and top heat transfer heater clamp and heat the outer edge part of said printed circuit board, and said transport rail comprises comprises: