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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...
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 ...
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...
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...
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...
(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...
(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...
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...
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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