Resistance welding method has great destroy to the magnetic property of the seam, which will cause image distortion of the display when swerving, and post heat treatments are needed.

This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size, welding form, welding surface size, welding method.

Curved seams should be placed over the end of the sleeve or skirt board to prevent distortion occurring on either side of the seam line.