What are the hazards of PCB plate deformation?
The board can not be installed in the case or in the machine socket, so the assembly plant meets the board is also very worried. At present, surface mount technology is developing toward high precision, high speed and intelligent. This requires higher flatness requirements for the PCB boards (Circuit board manufacturing) of various components and homes.
PCB board (Printed circuit board in china) consists of copper foil, resin, glass cloth and other materials, and the physical and chemical properties of each material are different. After pressing together, the residual stress will be generated, resulting in deformation. At the same time during the processing of PCB, after high temperature, mechanical cutting, wet processing and other processes, will also have an important impact on plate deformation, the cause of PCB plate deformation is complicated, how to reduce or eliminate the deformation caused by different material properties or processing, has become one of the PCB manufacturers face the most complex the problem.