Idea: Just about every copper layer is assumed to hold the very same completed copper weight Except or else laid out in your fabrication notes. A four-layer board with an outlined excess weight of 1oz, is assumed to have a completed copper thickness of 1.37mils (or more) on each and https://customservicebaseboardfor37159.blog-gold.com/38998701/the-definitive-guide-to-16-layer-5-order-hdi-high-frequency-storage-server-pcb