1. Flex-rigid multilayer PCB.
2. Stiffemer: PI film, FR-4, PET film.
3. UL file No. E216543 (flame class: 94-V0, temperature index: 105°C.)
1. Layers: 3-10. 2. Min. copper thichness: 18. 3. Min. base flilm thichness: 25. 4. Min. coverlay thichness: 25. 5. Surface treatment: gold plating, solder plating, rust-proof treatment.