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Published by：
KEYOU PCB
May 30,2019
The design of the printed circuit board is based on the circuit schematic diagram to achieve the functions required by the circuit designer. The design of the printed circuit board mainly refers to th...
Published by：
KEYOU PCB
May 29,2019
First, the materials selected for the pcb board are different in PCB price.
Sheets generally have FR-4, CEM-3, etc., the thickness of the sheet varies from 0.6mm to 3.0mm, and the thickness of copper...
Published by：
KEYOU PCB
May 28,2019
The 2 layer PCB refers to copper foil on both sides and has metallized holes. There are wiring on both sides of the 2 layer PCB, but to use the wires on both sides, it is necessary to have proper circ...
Published by：
KEYOU PCB
May 27,2019
PCB surface finish is the coating between the component and the bare PCB. There are two basic reasons for its application: ensuring solderability and protecting bare copper circuits. Since there ...
Published by：
KEYOU PCB
May 24,2019
PCB plating is a process of plating a thin layer of other metals or alloys on certain metal surfaces by electrolysis. It is a process of attaching a metal film to the surface of metal or other materia...
Published by：
KEYOU PCB
May 23,2019
The absence of impedance control on the PCB will cause considerable signal reflection and signal distortion, resulting in design failure. Common signals, such as PCI bus, PCI-E bus, USB, Ethernet, DDR...
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