Patent ID: 6637637
Filing Date: 2003-10-28
Classification: B23K

Abstract:
A reflow apparatus, comprising:at least one heating unit, each of the at least one heating unit including: an air blower for circulating air; a partition for defining an air circulating path; at least a first slit heater and a second slit heater for heating a workpiece with the circulating air, the workpiece having a first surface and a second surface; and a furnace housing for accommodating the workpiece, wherein: the air blower includes a first fan for blowing the air toward the first surface of the workpiece, a second fan for blowing the air toward the second surface of the workpiece, and a motor for rotating both the first fan and the second fan, and the first fan and the second fan are provided in correspondence with the first slit heater and the second slit heater, so that only air from the first fan enters the first slit heater and only air from the second fan enters the second slit heater.