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HOME    PRODUCT CENTER    High-TG PCBs    Four Layer - High end instrument standard board 
Fourlayerdifferentialimpedance
fourlayer
fourlayerwithhardgold

Material Vendor :FR4 High TG  /ROSH
Layer /pcb thickness :  4 Layer /1.45mm 
Copper thickness : 1oz copper 
Solder mask /silkscreen  ;Green  solder mask/ white silkscreen
Surface finished :immersion gold
Min width/space: 5/ 3 mil 
Min holes : 0.3mm
Thickness &Hole-diameter ratio : 4.8 : 01
Technical  Requirement:
1, High end instrument standard board ,trace widths and trace spacing require ±10%,Two differential impedance + single line impedance PCB 
2, surface finished is required to be flat and scratch is not allowed . 
3,Quality requirement with IPC class III standard
Standard Produce time : 7-10 days 
Fast produce time : 48h ~72h 

 

Four Layer - High end instrument standard board