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Custom PCB circuit board FAQ

There will be engineering review and approval of your information, if there is a problem with the first time to combine with you! In order not to delay your time, the combination of the form must be accurate, if not combined, we will stop production!

The first step of DFM: Reliability design of PCB circuit board wiring

Width and spacing of printed wire are important design parameters, which affect not only the electrical performance and electromagnetic compatibility of PCB, but also the manufacturability and reliability of PCB.

Printed circuit boards and lead-free assembly requirements

Why is lead not allowed on printed boards, assembly processes and products? There are two reasons for this: first, lead is toxic and affects the environment; Second, leaded solder is not suitable for new assembly technology.

Reverse deformation mounting of printed circuit board components

During the installation of the reinforced frame and the PCBA, and the installation of the PCBA and the chassis, directly or forcibly install the warped PCBA or the warped reinforced frame and install the PCBA in the deformed chassis.

PCBA circuit board repair job prospects? What books do you need to read?

With sufficient theoretical basis, more practice, more learning, more summary, in order to be qualified for the PCBA circuit board maintenance post.

How to choose HASL, ENIG, OSP circuit board surface treatment process?

After the design of PCB board, the need to choose the circuit board surface treatment process, the circuit board surface treatment process is now commonly used HASL (surface spray tin process), ENIG (gold process), OSP (oxidation prevention process).

Performance test of 7 common PCBA circuit boards

PCB performance test is a necessary test to ensure the stability of product performance after processing. It is divided into different tests according to the actual environment and purpose of product use.

There are four main methods of electroplating in circuit board

Through the above five points of analysis, we should be able to find the cause of short circuit tinning of PCB board after wave soldering.

What is a pcb circuit board? How much do you know about the composition of PCB circuit board?

he computer has the computer circuit board, the machine has the machine circuit board, a lot of electronic products are required to be equipped with the corresponding circuit board.

Various circuit board process flow

The higher the TG value, the better the temperature resistance of the plate, especially in the lead-free process, high Tg is often used. High Tg means high heat resistance.

What are the differences between wash and wash free process of circuit board and the types of flux?

PCB wave soldering, surface welding to use detergent or pure water to clean off the pollutants on the board, with the design of electronic parts more and more diverse, but also more and more small, washing made gradually appeared some problems.

Why does PCBA circuit board need to spray three anti - paint?

Three anti-paint, also known as PCBA electronic circuit board protective oil, the use of three anti-paint PCBA circuit board with waterproof, moisture, dust "three", cold and heat shock resistance, aging resistance, radiation resistance, salt sp...

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