What is the pcb circuit board process? Ask the technical engineer what to say
This battery, this battery, that battery, unfortunately, has not yet been mass-produced on the road, and there are several experimental bus routes in use.
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Circuit board factory teach you how to distinguish PCB circuit board is good or bad?
many times if the site sorting, rectification and other work to do, then some of the existing quality problems will improve a lot.
Five methods of PCB board removal integrated circuit
In the process of PCB board copying, since the circuit board needs to be split, the integrated circuit and other components are removed to make BOM list, and the bare PCB board is scanned and copied.
What is the production process of PCB multilayer pressing?
The platen method of this new concept is called "mass platen" or "large platen". In recent years, there have been many professional OEM pressing industry.
Production experience of halogen-free PCB printed circuit boards
Halogen-free PCB printed circuit boards have low water absorption and meet the requirements of environmental protection, in other performance can also meet the quality requirements of PCB board.
pcb circuit board copper plating surface foaming what causes
Based on many years of actual production experience and service experience, the author now makes a brief analysis of the causes of bubbling on the copper plating surface of the circuit board.
Factors influencing the quality of pcba process
Many factors affect the quality of PCBA quality, including human, machine, material factors, technological factors, environmental factors, etc. The quality of pcba process is mainly affected by the following conditions.
The presence of interference in PCB board
In the actual study, it is found that PCB design mainly has four aspects of interference: power supply noise, transmission line interference, coupling and electromagnetic interference (EMI).
Analysis of power supply and Ground interference in PCB electromagnetic Compatibility design
In the design of PCB electromagnetic compatibility, the main problem that needs attention is the interference problem of power supply and ground.
What are the problems of tin penetration in the process of PCBA production?
In the process of PCBA production, the selection of PCBA transtin is also very important. In the process of through hole plug-in, tin penetration is not good, which is easy to cause problems such as virtual welding, tin cracking and even falling parts.
What are the contents of PCB incoming material inspection
The content of PCB incoming material inspection includes PCB size and appearance inspection, PCB warping and distortion detection, PCB weldability test, PCB solder resistance film integrity test, PCB internal defect detection.
Green manufacturing is the main direction of PCB industry development
Although PCB can be called a high-tech product in the electronics industry, but now the development of PCB is not only challenged by its own cost-effectiveness problems, more is from the challenge of energy conservation and environmental protection.
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