ULTRASOUND MACHINE HIGH-LEVEL PCB CIRCUIT BOARD NO FURTHER A MYSTERY

Suggestion: Each copper layer is assumed to provide the identical concluded copper fat Unless of course usually laid out in your fabrication notes. A 4-layer board with a defined fat of 1oz, is assumed to possess a concluded copper thickness of 1.37mils (or even more) on just about every copper layer.Maintaining signal integrity is without doubt