FLEX PCB
Basematerial | Layers | Surface treatment | Overlays | Other |
---|---|---|---|---|
Polyimid (PI) | single layer | Rollzinn (only PET and PEN) | Coverlay (PI) | With adhesive film for mounting flex pcb |
Polyester (PET/PEN) | Multilayered (2-4 layers) | electrolytic galvanizing (coating thickness 5-50μm) | Soldermask | PI and FR 4 reinforcements |
laminated copper (with / without adhesive) | chemical gilding | protective coating | Surface colouring with color or foil | |
17,5µm - 70µm | mixed surfaces (for example, HAL and chemical Au) | |||
Silver print on PET instead of copper is possible | Anti Tarnish coating |