4 boards in this category

2+N+2 Structure manufacturer

Sequential lamination decides which nets can be routed at all. These structures are released for mass production, not just prototype runs.

2+N+2 Structure built by PEAK PCB in Shenzhen

Process window

  • Blind / buried / hybrid via
  • 5+N(N+M)+5 structure
  • Trace width and spacing 1.6 / 1.6 mil
  • Laser hole size ≥ 0.075 mm
  • High density interconnector
HDI PCB detail

What this category was actually built to

Ranges below are computed from the 4 boards listed on this page, not from a marketing sheet.

Built toRange across this category
Layer counts built8–14
Base materialsCTI≥600, FR4 TG170
Surface finishesENIG & Hard Gold, ENIG 1u, ENIG 2u, OSP
Solder mask coloursGreen
Special processesBuried Capacitance
Finished thickness1.6–2.8 mm

4 2+N+2 Structure builds

Need 2+n+2 structure quoted?

Send Gerber plus a drill file and a stack-up note. Quotation comes back within 6 hours, with DFM comments attached.