What specific measures should be implemented to produce high reliability PCB boards?
Whether in the manufacturing and assembly process or in actual use, PCB to have reliable performance, this is very important.
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The rules and regulations in PCB manufacturing
In short, PCB manufacturing is a complex, long project, need to comply with a lot of rules and regulations, to ensure the normal operation of machinery and equipment, to ensure that improve the work efficiency and yield.
Why is it so difficult to make multilayer PCB board?
The high floor board uses high TG, high speed, high frequency, thick copper, thin dielectric layer and other special materials, which puts forward high requirements for the inner line fabrication and graphic size control.
7 commonly used PCB board detection methods
The purpose of testing PCB board is to find out the defects of PCB board and repair them to ensure the production quality of PCB board and improve the qualified rate of products.
What are the general PCB process?
PCB production is divided into: layout → core board production → inner layer layout transfer → drilling and inspection → lamination → drilling → copper chemical precipitation → Outer layer layout transfer → computer control and copper plating.
PCB etching process
In PCB board production, only two steps will use film stripping. D/F stripping after etching of the inner line and D/F stripping before etching of the outer line (if the outer line is made into a negative film process).
How does SMT affect PCB production time and speed it up?
By using SMT, the PCB does not need to be drilled into it. Instead, what they do is they use solder paste. In addition to adding a lot of speed, this simplifies the process significantly.
What materials should be prepared for PCBA processing?
Effective techniques to improve PCB design spread rate and design efficiency: first, PCB board size and wiring layer number need to be determined in the early design, second, automatic wiring tool itself does not know what should be done, third, in the la
PCB design company introduces PCB design code layout rules
Considering the performance and processing efficiency of PCB, the preferred process sequence is as follows: 1. If the component surface is mounted on one side, it is formed by reflow welding; 2. 2. If the component surface patch and plug-in are mixed: one
PCB design company detailed PCB process design requirements
The PCB process design requirements are introduced in detail: 1, test point addition, 2, optical location point, 3, add working edge, 4, film file output, 5, plate rules, 6, board information annotation
Where can PCBA patch processing be done?
Common pads are: 1, square pad, 2, round pad, 3, island pad, 4, polygonal pad, 5, oval pad, 6, open shape pad
Seven methods commonly used in PCB maintenance are shared
We should not only master various maintenance methods and analysis methods, but also learn and use them flexibly. To be calm, to work hard, to guard against arrogance and impetuous, to maintain a common heart, to make a difference.
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