1. FPC copper foil: Basically divided into electrolytic copper and rolled copper. The common thicknesses are 1oz and 1/2oz, with 1/3oz

FPC copper foil is divided into adhesive copper and non adhesive copper according to the non adhesive layer

According to the presence or absence of halogens, it can be divided into: halogenated copper and halogen-free copper

1OZ=36UM

2. FPC substrate film: There are two common thicknesses: 1mil and 1/2mil

3. Adhesive: The thickness depends on customer requirements, commonly 13um.20um

Technical requirements for FPC materials

※ Dimensional stability (TD/MD ± 0.01%)

※ Peel strength (≥ 0.8kgf/cm2)

※ Solderability and immersion welding performance (288 ℃ for 10S)