Specification :

Doule-sided Flexible Circuit( FPC) consists of double-sided copper clad material with top and bottom cover films( PI or Green/ Yellow Oil, Carbon Ink, etc) . The two layers of copper circuitry with copper plating on the pads and through the printed through holes( PTH) covering the dielectric layer.
CMD Circuits is a full service of flexible circuits( FPC) in China, if you need more infomation, please don' t hesitate to contact us.
http: / / www.flexiblecircuitpcb.com