What is the PCB manufacturing process? ( Part 2)

Solder mask :

In this step, we apply a layer of green ink in the place where it is not welded. In addition, we finish this step by coating with green ink under the screen printing process,as shown below

Silk Screen:

characters and legends,like component label, LOGO, and symbols in the Gerber file

are printed on the surface of the PCB board by screen printing method

 

Surface Treatment

This step is to do some processing on the pad or on the PCB surface to prevent copper from oxidizing in the air.

Besides, we can do surface finishing as following :

HASL/LF-HASL,Gold Finger,Hard Gold,OSP,Immersion Gold,Immersion Tin,Immersion Silver

What’s more, we can also make according to customer’s requirements

 

E-TEST->FQC->Packing

After all  above manufacturing process, a PCB board now is completed. However, the PCB boards we finished need to do E-TEST to check

whether  there is a short circuit or open circuit for PCB,it will be tested in an electric testing machine

 

To sum up:
As we can see, PCB manufacturing/PCB production/PCB fabrication process is very complicated,even through, we can produce multilayer pcb, rigid flex pcb

and HDI pcb in our factory

Mike



Shenzhen Renchuangyi Electronics Co., Ltd
Tel: 0755-27314226
Address:
Building 4, JinFeng Industry Zone, Heping Village, Fuyong Town, Bao’an District, Shenzhen, Guangdong Province, PRC.:
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