SMD Bestückung – Getting To The Facts
Of the various materials applied for the boards, six are the most widely manufactured: FR-1, FR-2, FR-3, FR-four, CEM-1 and CEM-3. FR stands for flame retardant. FR 1, 2 and three are basically the exact same, with only minor differences in properties. They are not suited for making multilayer boards. The same is correct for [...]























































