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12 layers rigid-flex board,4 layers flex,impedance control requirements,trace width and trace spacing 3.5mil/4.5mil,the spacing of hole to line is 7mil,9 place with BGA
link:http://www.uniwellcircuits.net
12 layers rigid-flex board
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12 layers rigid-flex board
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12 layers rigid-flex board,4 layers flex,impedance control requirements,trace width and trace spacing 3.5mil/4.5mil,the spacing of hole to line is 7mil,9 place with BGA
link:http://www.uniwellcircuits.net |