FPC flexible circuit board structure

The utility model discloses an FPC flexible circuit board structure, comprising a flexible composite circuit board, two surfaces of the flexible composite circuit board are respectively a stainless steel plate and a PC plate, and one surfaces, facing the flexible composite circuit board, of the stainless steel plate and the PC plate are sprayed with foam rubber; the foam rubber is sprayed and attached to the stainless steel plate and the PC plate, and one surface, facing the flexible composite circuit board, of the foam rubber is sticky; the flexible circuit board is structurally characterized in that the stainless steel plate and the PC plate are adopted to protect the two sides of the flexible circuit board, and the foam rubber layers sprayed on the stainless steel plate and the PC plate in advance are utilized, so that the assembly production process can be simplified, the problems of product wrinkles, surface scratches and bonding pad pollution are reduced, and the production efficiency is improved. The f