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QFN PCB Assembly in High Quality PCB Factory
Layer account: 4 layer rigid flexible
Material: FR4 TG170 + 2mil Polymide, 1.6mm, 1 OZ for all layer
Minimum track: 4 mil
Minimum space(gap): 4 mil
Minimum hole: 0.20mm
Surface finished: LF HASL
Panel size: 178*110mm/2up
QFN chips assembly, type C assembly, high reliable PCBA, high quality PCB assembly