Product name: 8-layer optical delete device motherboard
Layers: 8L (2R+4F+2R)
Plate thickness: 2mm +0.2mm
Minimum line width and line spacing: 0.2mm/0.2mm
Minimum via hole/PAD: 0.4mm/1.0mm
Minimum distance from hole to line: 0.3mm
Surface treatment: immersion nickel gold
Process requirements: special material impedance control
Field of application: Main board of optical ruler equipment