| 摘要 |
PURPOSE:To obtain completely automated process which can meet automatically the alternation of quality by a method wherein respective kinds of assembly programs are symbolized and written in tie-bar pants of lead frames and are read out by automatic assembly equipments. CONSTITUTION:The surface electrode pattern of a pellet 5 is read by a camera 8 and a small hole (m) determined in accordance with the read out signal is punched at the tie-bar part 3 of a lead frame 1 which corresponds to the pellet 5. Then the lead frame 1 and the pellet 5 are transferred to an automatic pellet mounting equipment A'. The equipment A' reads the small hole (m) and mounts the pellet 5 automatically on a radiator plate 4 in accordance with the program corresponding the read out import. |
