The retention times of PCBA is related to the storage environment and it is suggested to store it in a dry, clean, dust-free environment. The humidity and dust content of the storage environment will ...

The regular layer structure of printed circuit board includes Single Layer PCB, Double Layer PCB and Multi Layer PCB....

Board Size and thicknessPCB manufacturer needs to set a maximum size for all the PCB boards. As well as their panel size limit. In order to save more space and reduce the costs in mass production, peo...

Raw MaterialsThe substrate most commonly used in printed circuit boards is a glass fiber reinforced (fiberglass) epoxy resin with a copper foil bonded on to one or both sides. PCBs made from paper rei...

Copper Chloride is concentrated by (CuCl2･2H2O) and HCl and H2O; Fecl_3 Solution is made by Fecl 3 and HCl and H2O;...

A jumper is a tiny metal connector that is used to close or open part of an electrical circuit. It may be used as an alternative to a dual in-line package (DIP) switch....

The printed circuit board (PCB) is usually on a glass epoxy substrate bonded to a layer of copper, The copper thickness generally includes 18μm,35μm,55μm and 70μm and the most common copper thickness ...

Surface Mounted Devices (SMD) is one of electronic components and assemblied in high density, small size and light weight. The volume and weight is only 1/10 of tranditional DIP components. Being repl...