8-layered High-density Multilayer PCB, Bare Board from China PCB Factory, Measures 610 x 508mm

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Basic Info

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Product Description

Specifications:

Layers: 1 to 20
Materials: FR-4, CEM-1, aluminum, Rogers, Taconic, Greek andmarlin
Finish board thickness: 0.2 to 3.2mm
External copper thickness: 35 to 210um
Internal copper thickness: 17 to 140um
Trace width and line spacing: 0.075/0.1mm (3/4-mil)
Punching whole diameter: 0.9mm (35-mil) (minimum)
Panel size: 610 x 508mm (maximum)
Hole dimension tolerance: 0.075 (PTH) and 0.05mm (NPTH)
Outline tolerances: 0.125 (CNS) and 0.15mm (punching)
Solder mask bridge: 0.0635mm (minimum)
Distance between lines to board bridges: 0.25 (minimum)(outline) and 0.40mm (v-cut)
Test voltage: 10 to 300V
Solder mask types: green, yellow, red, white, blue, mattegreen, matte black and more
Surface finishing: HASL, immersion gold, immersion silver,gold-plated, gold finger and OSP