| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasonic horn which is wide in the range of welding conditions for many times of use and can secure a stable welding strength. SOLUTION: This ultrasonic horn has: a plurality of rectangular flat parts disposed on the same plane in parallel on a processing plane 4a; and grooves of V-shaped sections between the flat parts. COPYRIGHT: (C)2008,JPO&INPIT |
