Patent ID: 8783319

Claim:
A die bonder comprising: conveying means for conveying a substrate along a transport path; a coating unit for applying an adhesive to the substrate while the substrate is conveyed along the transport path; a bonding means for bonding a substrate die picked from the wafer to a part coated with the adhesive; and a foreign substance removing device for removing foreign matter on the substrate provided upstream of the coating unit; wherein the foreign substance removing device comprises a cleaning nozzle integrating an air outlet orifice and an air inlet orifice, and a moving means for moving the cleaning nozzle at a distance from the substrate according to the size of the substrate in a direction perpendicular to a direction in which the substrate is conveyed; and wherein a width of the transport path is variable, the cleaning nozzle is one of two cleaning nozzles arranged, one behind the other, so as to extend in respective perpendicular directions toward the center from at least one side of the transport path, and the moving means moves at least one of the two cleaning nozzles.