摘要 |
PURPOSE:To execute bending process for overhanging to unwanted region of a lead frame to prevent increase of size in the resin sealing in a lead frame where a plurality of external connecting leads consisting of thin plate overhang an island formed of a thick plate. CONSTITUTION:In view of making a post portion 26 of second lead 22 overhang an island 18, a first bending process 24 is executed at the root portion of the island of a first lead 21 coupled with the island 18 and a second bending process 25 is then conducted to an unwanted portion which will be cut out after resin sealing of the first lead 21. |