Gold Multi-layer Printed Circuits Board (PCB) with aspect ratio 8:1 vias-plugging for industrial Solution
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Multi-layer immerision gold board                          Board thickness 63 mil                          min hole size 8 mil                            Aspect ratio 8:1                                  min. line width/spacing 5.9/9.8mil               min. S/M bridge 4mil                                    via plugging