The PCBSYNC Buried Via Stackup HDI PCB delivers precise structural integrity and high-density interconnection for advanced electronic devices. Utilising a Type II build-up board architecture, this printed circuit board incorporates sequential lamination with both buried vias and blind vias. This specific layout allows hardware designers to maximise routing density, reduce layer counts, and manage thermal dissipation effectively in space-constrained enclosures.
Advanced Buried Via Stackup HDI PCB Features
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Build-Up Configuration: Type II ($1+N+1$ and $2+N+2$ sequential lamination structures)
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Via Technologies: Laser-drilled microvias, blind vias, and buried vias with copper filling
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Base Materials: High-$T_g$ FR-4, halogen-free materials, and low-loss high-speed laminates
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Line Width / Spacing: Fine pitch capabilities down to $3\text{ mil } / 3\text{ mil}$ ($75\,\mu\text{m}$)
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Surface Finishes: ENIG, ENEPIG, and Immersion Silver for optimal solderability and shelf life
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Compliance & Standards: IPC-Class 2 and IPC-Class 3 compliant, RoHS certified
Applications
Our Type II HDI PCB architectures are widely utilised across sectors demanding miniaturisation and high frequency performance:
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Telecommunications: 5G network routing infrastructure, base stations, and high-speed switches
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Computing & Storage: High-density motherboards, server line cards, and solid-state storage modules
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Aerospace & Avionics: Compact flight control systems and satellite communication payloads
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Medical Devices: Portable diagnostic equipment, imaging systems, and implantable monitors
Why Choose PCBSYNC
PCBSYNC is a professional PCB fabrication, PCBA, and EMS manufacturer delivering precision-built electronics for aerospace, medical, automotive, industrial, and smart energy applications. We handle everything from rapid prototyping to mass production — including rigid, flexible, and rigid-flex PCBs, full turnkey assembly, component sourcing, AOI and X-ray inspection, and OEM/ODM support. Reliable boards. Consistent quality. From prototype to production — PCBSYNC.
For tailored technical advice or to submit your Gerber files for a detailed DFM review, please contact our engineering team or request a quote online.