Patent ID: 6915940

Claim:
An apparatus for applying solder balls to a substrate ( 7 , 9 ), and for remelting the solder balls on soldering points ( 6 ) of the substrate ( 7 , 9 ); with a capillary ( 3 ) for supplying a solder ball ( 5 ) to the soldering point ( 6 ) and for placing the solder ball ( 5 ) at the free end ( 4 ) of a capillary ( 3 ) opposite the soldering point; a means for supplying heat to the solder ball ( 5 ) for remelting the same; and a pressing apparatus ( 10 ) for holding down the substrate ( 7 , 9 ) to prevent the substrate ( 7 , 9 ) from being resilient when placing and remelting the solder ball ( 5 ).