Stacked Microvias

Up to 6+N+6 build-up with stacked and staggered microvia configurations for maximum routing density.

Via-in-Pad

Copper-filled and resin-plugged via-in-pad for BGA, QFN, and other high-density packages.

Laser Drilling

Precision laser drilling down to 0.002" for microvias with exceptional accuracy and repeatability.

HDI Specifications

Parameter
Specification
Build-up Layers
1+N+1 to 6+N+6
Minimum Laser Drill Size
0.002" (0.05mm)
Microvia Depth
Up to 0.004" (0.1mm)
Microvia Aspect Ratio
0.8:1 to 1:1
Stacked Microvias
Up to 6 stacks
Blind Vias
L1-L2, L1-L3, L1-L4, etc.
Buried Vias
Any internal layers
Via-in-Pad
Plated shut, copper filled
Minimum Trace/Space
0.002" / 0.002" (0.05mm / 0.05mm)
Sequential Lamination
Up to 6 times
Filled Via Flatness
±0.0005" (±0.013mm)
Registration Accuracy
±0.002" (±0.05mm)

HDI Processes

Laser Drilling

CO2 and UV laser drilling for precise microvia formation

  • 0.002" minimum diameter
  • High aspect ratio capability
  • Conformal via walls
  • Automated vision alignment

Sequential Lamination

Build-up process for complex multilayer HDI structures

  • Multiple press cycles
  • Precise registration
  • Layer-to-layer alignment
  • Tight tolerance control

Via Filling

Conductive and non-conductive via fill options

  • Copper electroplating
  • Resin plug
  • Via-in-pad plating
  • Planar surface finish

Typical Applications

Smartphones and Mobile Devices
Wearable Electronics
High-Speed Digital
RF and Microwave
Medical Devices
Automotive Electronics
IoT Devices
5G Communications
AI/ML Hardware
Advanced Computing

Need HDI Expertise?

Our engineering team has extensive experience with complex HDI designs. Contact us to discuss your high-density interconnect requirements.

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