Welding Device

Abstract

A welding device includes a thin film and an ultrasonic welding machine including an ultrasonic welding head welding a first component and a second component of a product together. The thin film is pressed against the product by the ultrasonic welding head and covers a welding area and a non-welding area of the product. The thin film absorbs a vibration energy located in the non-welding area to prevent the vibration energy from being concentrated in the welding area of the product.

Dependencies are inferred from the claim text.