What is the test principle of PCBA?

01-09 | Industry

PCBA testing is a key step to ensure the quality of production and delivery. It refers to making FCT test fixtures according to the test points, procedures and test steps designed by the customer, and then placing the PCBA board on the FCT test rack


PCBA processing is not equal to "low-level manufacturing"

01-08 | Industry

PCBA processing is the most important part of electronic products. Whether the quality of PCBA processing is stable directly affects the quality of electronic products. If PCBA processing can always have stable quality and efficient production efficie


How to guarantee the quality of PCBA processing after sale?

01-08 | Industry

Many customers are concerned about the after-sales of PCBA processing. How to ensure that the received PCBA board meets the quality requirements? First, the customer will cooperate with the PCBA factory to design a test plan to ensure that 100% of


The overall problem in the PCB assembly process: elastic cracking

01-08 | Industry

In terms of technology, flexible cracking means excessive bending of the PCB under the ceramic chip capacitor. Ceramic chip capacitors cannot withstand excessive stress due to their brittleness. In order to obtain sufficient electrical performance,


The Analysis of Defective PCBAs

01-08 | Industry

The solder joints are shrivelled/incomplete/vacant after wave soldering , the solder of the insertion hole and the via hole is not full, and the solder does not climb to the pad of the component surface.


How to implement the quality management system in the PCBA processing step?

01-08 | Industry

How to implement the quality management system in the PCBA processing step?Many companies can easily get ISO9001 certification. However, the certificate doesn't mean that the company's internal management system conforms to specifications.


What industry does PCBA manufacture belong to?

01-08 | Industry

PCBA manufacturing belongs to the EMS (Electronic Manufacturing Services) electronics manufacturing industry. It refers to the process of turning the design into a product based on the customer's design files (including PCB design, BOM, procedures,


PCB Blind And Buried Hole Diameter Requirements

01-08 | Industry

2.1 HDI+ buried hole process, buried hole diameter requirements: as shown in the figure below, the buried hole diameter of DRL2-3 is ≤0.30mm, because the RCC between L1 and L2 is very thin.


Transformation of BGA Solder Sphere in Reflow

01-08 | Industry

The contact requirements of ICT stylus are mainly caused by obstructing objects on the solder joints, which causes the contact resistance to rise, so the stylus is not well-connected. The flux residue is the most insulating material.


What is the safe way to pack PCBA board?

01-08 | Industry

Because there are lots of electronic components mounted on the PCBA surface, it has extremely high requirements for ESD static electricity and anti-collision. Therefore, the safe packaging of PCBA boards is particularly important. Many factories use


How important is ESD protection during PCBA processing?

01-08 | Industry

There are many precision electronic components on PCBA board, and many components are sensitive to voltage. Shocks higher than the rated voltage will damage these components. However, PCBA boards damaged by static electricity are difficult to


How to control solder paste printing in PCBA processing?

01-08 | Industry

The opening of the stencil must be appropriately enlarged or reduced according to the layout of the electronic components on the PCBA board to determine the amount of tin on the pad, so as to achieve the best soldering effect and avoid the occurrence


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