What is PCB DFM/DFA
Why do we need DFM/DFA
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What free DFM do we offer
Improper panel since the edge connectors are inside of the panel which is not good for chamfer on the gold connectors.
The thermal pad overlaps with the isolating pad, and the continuity cannot be determined.
Isolation area of The power and ground layer are too small, the connecting line of the same network.
Distance between the circuit is too small.
The distance betwen the inner layer isolation pads is too small.
Vias and PTH holes overlap. The hole attribute is NPTH in drawing, but there are pads/ring around the drill.
No relative notes for special holes. Some times specials holes can be be imported by EDA software, so the should be marked in the drill drawing.
The drill size is the same size as the pin of the PTH components.
Blind and bured vias
What free DFA do we offer
PCB DFMWe will do a thoroughly DFM for PCB before productions, mainly including the file check for the following aspects.
Stated roughly, the important functions of PCBA are described below.
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