What are the raw and auxiliary materials of FPC soft board?
Views：1110 Date：2020-05-09
Cover protection material: PI cover film, PEN cover film, PET cover film
Solder resist ink, photosensitive resin
Surface conductor: metal zd, solder, nickel / gold, tin, silver
Coating material: other organic antioxidants, flux
Reinforcement materials: PI, PET (transparent and white), FR4, metal sheet (steel sheet)
Materials for connection between layers: copper plating, conductive paste (adhesive)
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