Patent ID: 6347732
Filing Date: 2002-02-19
Classification: B23K,H05K,Y02P

Abstract:
A soldering oven for use in connecting terminals of electronic components to first and second sides of a circuit board at solder joints located between said electronic component terminals and said circuit board, said oven comprising:conveyor means arranged for passing said circuit board, on a first pass, through a soldering zone in said soldering oven for soldering a first group of said electronic components to said first side of said circuit board at solder joints located on said first side of said circuit board, said soldering zone being maintained above a solder flow temperature at which said solder joints liquefy, said conveyor means being further operable for passing said circuit board on a second pass through said soldering zone for soldering a second group of electronic components to said second side of said circuit board at solder joints located on said second side of said circuit board; and injection means arranged for directing a gas flow into said soldering zone at said first side of said circuit board during said second pass.