3-Layer Flex Circuit with FR-4 Frame on Bottom

Layer Count: 3 layer flexible circuit
Structure: 3 Flex
Material: ITEQ FCCL (18/25 & 18/25/18)
Stiffener: FR-4 (FR-4 Frame on bottom to replace SMT carrier, can be removed after PCB assembly)
Flex Circuit Thickness: 0.27mm+/-0.05mm
FR-4 Frame Zone Thickness: 1.6mm+/-10%
Coverlay: yellow x2
Silkscreen: white x1
Unit Size: 106 x 12mm
Panel Size: 120 x 84mm/4up
Finished Copper Weight: 1/0.5/1oz
Surface Finish: ENIG (Au: 2-3 Ni: 120-240μ”)