About Usmore

About us
 Shenzhen KingshengPCBA Tech Co.,Ltd (HK C-Alley Co.,Ltd), an professional PCBA manufactuer and electronics manufacturing service (EMS) provider for 12years.SMT factory has ISO9001, ISO14001, TS16949 certification, advanced production equipment and rich experience in the production of PCBA. more

Different PCB's Quality Inspection Way
Different PCB's Quality Inspection Way
Although there are many different types of printed circuit boards, same quality inspections are required to be proceed. Quality inspection is including visual inspection, electric performance and general technological inspection.
At first, it's Visual Inspection: While using ruler, gauge, vernier caliper and glass etc to perform the visual inspection. 
1- The surface appearance, board thickness and dimensions.
3- To checks whether have short circuit and open circuit.
4- Coating quality is also part of visual inspection.
The second part is Electrical Inspection:
1- It is known as connecting performance test.
2- The  different way is insulating performance test.
Finally, General Technological Inspection: It covers solderability and adhesion of plates.The wetting performance of solder to conductive patterns should be inspected. And other procedures can be adopted according to special requirements.