邮箱
source:https://en.viction-pcb.com/free/22.html
Release time:2025-02-25
service@viction-pcb.com
Number of layers: 20 layers
plate thickness: 2.0+/-0.2m
minimum aperture: 0.25mm
line width and line spacing: 0.1mm/0.1mm
surface technology: chemical nickel gold