4 layer high precision circuit board, with mechanical blind holes. surface treatment ENIG 2-5U". With L1-2 & L3-4 0.2mm mechanical blind holes.
Our General Capabilities: Can be 1-40 Layers rigid board and 1-12 layers flexible circuit board.
Surface treatment(surface finished) can be: HASL, Lead-free HASL, Hard Gold plating, Immersion Gold, Immersion Silver, Immersion Tin, OSP and the Options: Gold Tabs, Selective Au, Carbon Ink, Peelable Mask, Micro Via, Controlled Impedance, Score, LASER Drill, Blind Vias and Buried Vias.
And the soldermask colour can be: green, bule, white,black, red, yellow, orange, matt-green(semi green), matt-black. The silkscreen colour can be: white, black, yellow.
Copper thickness can be: 1-10 oz Outer and 0.5-8 oz inner.
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