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In circuits with resistance, inductance, and capacitance, the obstruction to alternating current is called impedance. The impedance is usually represented by symbo...
2019/09/27
If some components on the PCB are exposed to the air for a long time, they are easily oxidized and lose their luster, and they are corroded and lose solderability....
2019/09/24
According to a hot topic in the technology market: everyone in the workplace and in the family is implementing “environmental practice”. Environmental protection h...
2019/09/20
Why are the prices of the same PCBs in different factories different, some are expensive, some are very cheap, some are moderately priced, what causes a variety of...
2019/09/12
On the computer memory bank and the graphics card, we can see a row of golden conductive contacts, the surface of which is gold-plated and the conductive contacts ...
2019/09/10
Inevitably, PCBs produce substances that are harmful to the environment during production. If the wastewater containing harmful substances is not properly treated,...
2019/09/03
Both the dry film and the wet film of the PCB refer to the raw materials used for the Circuit. The dry film is a kind of high-molecular compound. It generates a po...
2019/08/28
A high performance organic rigid PCB substrate, usually composed of dielectric layer(epoxy resin, fiberglass) and high purify conductor(copper foil). The relevant ...
2019/08/22
The rigid PCB has alternating layers of different materials laminated together by heat and adhesive to form a single object. So what materials is it mainly compose...
2019/08/13
PCB proofing is a small production before the mass production of the board. It is generally used to test the reliability and efficiency of circuit design and is a ...
2019/08/07
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