what is the stack up (cores and prepreg thicknesses) for 1.2 and 1.5 mm 4-layer PCB?Could you also provide electrical properties? (epsilon and tan delta)
I'd like to know what the minimum hole to material edge dimension is for 4mm aluminum. In other words how close can a cutout be to the edge of material.And also what is the minimum hole size for a giv...
Do you offer this style of punched + tapped holes for sheet metal? I am trying to add an M5 tapped hole to a 2 or 3mm thick stainless steel sheet metal part. I would like to avoid using an insert.