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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 [...]

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