Patent ID: 6253985
Filing Date: 2001-07-03
Classification: B23K,H01L,H05K,Y10T

Abstract:
A unit for supplying solder balls comprising:a primary hopper for storing a number of solder balls;a ball tray for storing the solder balls to be sucked on a mount head;a secondary hopper provided near said ball tray;a ball supply path connecting said primary hopper and said secondary hopper so as to supply the solder balls; andvibration means for vibrating said secondary hopper to thereby supply the solder balls to said ball tray by vibration, wherein a first ball supply inlet formed at a forward terminal of said ball supply path is exposed from a first inner wall of said secondary hopper, and a ball discharge outlet for supplying the solder balls to said ball tray is formed on a second inner wall of said secondary hopper which does not face said inner wall.