| 摘要 |
PURPOSE:To prevent the damage of pellets by a method wherein a lead frame being finished with joining is rolled up together with a hoop type spacer consisting of a soft material and having the prescribed pitch, openings and a thickness. CONSTITUTION:The lead frame 1 is rolled up on a reel 3 passing in a feeder 4 and imposing the openings 12a of the spacer 12 on the lead. The frame 1 is fed intermittently 4, and the joining of the pellet 7 with the lead frame 1 or the joining of wires 8 with the pellet 7 is performed at the position 11 with the jig 6a of a head 6. The spacer 12 is imposed on the frame in succession through a guide roller 14 to be rolled up on the reel 3. By this constitution, the pellets 7 and the wires 8 which are joined to the lead frame are rolled up being located in the openings 12a of the spacer and is protected. |
