Patent ID: 6369345
Filing Date: 2002-04-09
Classification: B23K,H05K,Y02P

Abstract:
The method of soldering a microelectronic component having a plurality of leads extending therefrom to corresponding electronically conductive pads on a printed wiring board, the method comprising the steps of:placing said microelectronic component on said printed wiring board such that each of said plurality of leads is in contact with a respective one of said corresponding electronically conductive pads; applying a continuous bead of solder paste over said plurality of leads in a vicinity of said corresponding electronically conductive pads; passing a noncontacting heat source over said plurality of leads to thereby reflow said continuous bead of solder paste; mounting a solder paste dispenser and a light source to a movable head; moving said movable head over said plurality of leads to apply said continuous bead of solder paste to said plurality of leads; and simultaneously heating that portion of said plurality of leads to which said continuous bead of solder paste has been applied.