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How to deal with waste gas from circuit boards

How to deal with waste gas from circuit boards

The serious harm of PCB exhaust gas to the environment and human health has aroused great attention all over the world. PCB exhaust gas treatment has also becom...

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Why the PCB must be cleaned after soldering

Why the PCB must be cleaned after soldering

No matter the performance of the flux is high or low, it will be more or less corrosive. The residue and residue after soldering the circuit board will lead to ...

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Method for circuit board manufacturer to identify IC mark and pin sequence

Method for circuit board manufacturer to identify IC mark and pin sequence

There are many ways for circuit board manufacturers to identify IC marks and pin sequences. Now, let's review the identification methods of several marks an...

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Six Common Methods of Circuit Board Maintenance

Six Common Methods of Circuit Board Maintenance

1. Appearance inspection methodObserve whether there is any burnt place on the circuit board, whether there is any fracture in the copper coating, whether there...

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What is the resin plug hole of the circuit board

What is the resin plug hole of the circuit board

The process of using resin plug holes in circuit boards is often due to BGA parts, because the traditional BGA may do VIA wiring from the PAD to the back of the...

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Solution to PCB multilayer circuit board

Solution to PCB multilayer circuit board

(1) The inner circuit board shall be baked and kept dry before laminating and pressing.Strictly control the process procedures before and after pressing to ensu...

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Causes of PCB multilayer circuit board

Causes of PCB multilayer circuit board

(1) Insufficient glue flow;(2) The inner circuit board or the prepreg is contaminated;(3) Improper suppression results in air, water vapor and pollutant accumul...

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The reason and solution of delamination and blistering of PCB multilayer circuit board

The reason and solution of delamination and blistering of PCB multilayer circuit board

In the process of many varieties and small batch military production of circuit boards, many products also need lead tin plates. Especially for high-precision p...

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Formation principle of impedance interference of circuit board conductor

Formation principle of impedance interference of circuit board conductor

At present, in the manufacturing of printed circuit boards in PCB factories, most of the wires are copper wires. The physical characteristics of copper metal it...

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