Multilayer PCB
Susan Yang
Senior Engineer sales ★★PCB boards ★★Printed circuit boards manufactures★★electronic★★electric business★★PCB supplier
What is a multilayer PCB?
It is a PCB made with three or more conductive copper layers. The conductive foil appears to be various layers of a multi-sided circuit board. The different inner layers are processed in pairs (on a core) and then bonded together using prepreg as the insulating layer. The layers are then placed in such a way that both sides of the PCB can be used to mount components with additional tracking/electrical connections on the inside of the board. Vias are used as a source of the electrical connections between the different layers of a multilayer PCB.
Many products use multilayer PCBs, including computers, medical equipment, in-car systems, GPS and satellite systems, industrial control systems
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Multilayer, 12L, high density, small line and space, dense BGA designing, materials: FR4 (KB 6165F), solder mask color: Green, ENIG, inner layer line to hole space: 6 mil, inner/outer layer line width and space: 3 mil/3 mil, impedance tolerance: +/-7%, hole tolerance: +/-2mil, width of bga: 10 mil
