Best quality Mutilayer Pcb - 8 Years Exporter Electronic Products Pcb /pcb Bare Board – Yongmingsheng

With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and growth, we will build a prosperous future collectively with your esteemed firm for 8 Years Exporter Electronic Products Pcb /pcb Bare Board, Our Lab now is “National Lab of diesel engine turbo technology ” , and we own a experienced R&D team and complete testing facility.
With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and growth, we will build a prosperous future collectively with your esteemed firm for Electronic Pcb, Electronic Products Pcb /pcb Bare Board, Pcb Bare Board, Our company is continuing to serve customers with high quality, competitive price and timely delivery. We sincerely welcome friends from all over the world to cooperate with us and enlarge our business. If you are interested in our products, please feel free to contact us. We would love to provide you with further information.

 HDI basic production process:

A、Brown multilayer circuit board to form Browning film on the surface of copper foil layer, and laser drilling on the surface of copper foil to form laser blind hole

B、 drill the multi-layer circuit board to form a mechanical drill hole

C、 The multi-layer circuit board is coated with copper to form a copper layer in the laser blind hole mechanical drilling, and then the multi-layer circuit board is electroplated to thicken the copper layer in the hole

D、The above multilayer circuit board is made of outer graphics, and the surface treatment of etched screen print resistance welding on the outer layer of graphics electroplating is carried out to obtain the finished HDI board

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