| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that a burr is formed in a cut par when a tie bar connecting a part between leads is cut, and the bur is deformed or exfoliated and dropped in the case of lead-forming, so that a withstand voltage between leads is decreased or short circuit occurs. <P>SOLUTION: A recessed part 9d is formed in a part of a lead forming die 9 where a lead retaining surface 9a and a tie bar residual part 10 of a part 9b adjacent to the surface 9a correspond to each other. <P>COPYRIGHT: (C)2003,JPO |
