PCB break refers to the phenomenons of copper foil blistering, substrate blistering and delamination due to heat or mechanical action during the processing of PCB;...
2019/10/17PCB manufacturers will attach a description of the processing technology when making the PCB. One of the most important ones is to indicate the surface treatment t...
2019/10/14It is well know that cooper is easily oxidized in the air. The oxide layer of copper has a great influence on the soldering, and it is easy to form false soldering...
2019/10/09The printed circuit board can be made of various metal materials. These special PCB can be called metal base PCB. The choice of metal depends on their application....
2019/10/03In circuits with resistance, inductance, and capacitance, the obstruction to alternating current is called impedance. The impedance is usually represented by symbo...
2019/09/27If 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....
2019/09/24According to a hot topic in the technology market: everyone in the workplace and in the family is implementing “environmental practice”. Environmental protection h...
2019/09/20Why 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...
2019/09/12On 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 ...
2019/09/10Inevitably, PCBs produce substances that are harmful to the environment during production. If the wastewater containing harmful substances is not properly treated,...
2019/09/03