FPC board production process
1 . Single-sided FPC board
Single-sided flexible circuit board composition diagram
Cutting material → drilling → sticking dry film → alignment → exposure → developing → etching → stripping → surface treatment → covering film → pressing → curing → surface treatment → immersion nickel gold → character printing → shearing → electrical measurement → punching Cutting → Final Inspection → Packing → Shipping
single-sided flexible circuit board stack

2.Double-sided FPC board
Material cutting → drilling → PTH → electroplating → pretreatment → dry film sticking → alignment → exposure → development → pattern plating → film release → pretreatment → dry film sticking → alignment exposure → development → etching → film release → surface treatment → Applying cover film → Pressing → Curing → Immersion Nickel Gold → Character Printing → Cutting → Electrical Testing → Punching → Final Inspection → Packaging → Shipping
double-panel stackDouble-sided flexible circuit board stack
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