① On the circuit board, manually soldered joints can be seen connected to movable wires, but their ability to withstand repeated vibrations is definitely not as good as connectors (even those with leads)
② This is a space board that has already been put into use and was only dismantled later
③ It uses chips from Xilinx, which has been acquired by AMD and has become a subsidiary of AMD
④ What are the standards for aerospace circuit board levels? Have any industry partners shared them
