Quality control in printed circuit board assembly

Quality assurance in Printed circuit board assembly

The PCB assembly quality assurance is a series of defined systems and processes in final test and inspection routines that culminates in final test and inspection routines but begins with the systems used to issue the database to defines the specification of the product.

1. Each components will match completely the specification as stated by the BOM list and will be supplied from approved sources.

2. The PCB Boards(Printed circuit board) being tested to ensure that there are no defects before the assembly process takes places.

3. Strict storage and handling methos of the components by the PCBA specialist.Each components stored prescribed and followed to ensure the quality / reliability of the electronic products.

4. Electro-static sensitive precautions are in place at every handling stage to ensure that components are not damaged and components that are sensitive to moisture will follow strict handling processes including the ability to “bake” the component.

5. Automatic Optical Inspection(AOI),The AOI machine will check the part which used in the assembly process matches its specification,After the PCB assembled,The AOI machines can verify that the part fitted to the PCB is in the right place and matches not only the specification but also if the soldered correctly.All components subsequently placed by hand or by other semi-automatic processes are quality assured using various methods of in-line and off-line inspection techniques.Only after all the inspection process have been sucessfully passed,A verification test will confirm what the process has been designed to delivery - that the assembly or product will meet the standards required when in use.

6. Continuous Investment in QA,Taking product quality very seriously,Using the latest equipment and systems to make sure the PCB assemblies meet clients’ specification.combined with experienced, trained and motivated staff, ensures reliable product is despatched.

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