HDI PCB Fabrication

PCBBOX is offering HDI PCBs to global customers with excellent quality and cost efficiency, which are widely applied in complex projects and compact devices. HDI (High-Density Interconnect) PCBs are a type of printed circuit board that features a higher density of wiring connections compared to traditional PCBs with advantages:
1. Miniaturization: HDI PCBs enable the design of smaller and lighter electronic devices.
2. Higher Performance: The high-density interconnections improve signal integrity and reduce signal loss.
3. Increased Functionality: More components can be placed on the board, allowing for more complex and powerful devices.

HDI PCB
FeatureCapability
Quality GradeStandard IPC 2
Number of Layers4 – 24layers
Order Quantity1pc – 10000+pcs
Build Time2days – 5weeks
MaterialFR4 standard Tg 140°C,FR4 High Tg 170°C, FR4 and Rogers combined lamination
Board SizeMin 6*6mm | Max 457*610mm
Board Thickness0.4mm – 3.0mm
Copper Weight (Finished)0.5oz – 2.0oz
Min Tracing/Spacing2.5mil/2.5mil
Solder Mask SidesAs per the file
Solder Mask ColorGreen, White, Blue, Black, Red, Yellow
Silkscreen SidesAs per the file
Silkscreen ColorWhite, Black, Yellow
Surface FinishHASL – Hot Air Solder Leveling
Lead Free HASL – RoHS
ENIG – Electroless Nickle/Immersion Gold – RoHS
Immersion Silver – RoHS
Immersion Tin – RoHS
OSP – Organic Solderability Preservatives – RoHS
Min Annular Ring4mil, 3mil – laser drill
Min Drilling Hole Diameter6mil, 4mil – laser drill
Max Exponents of Blind/Buried Viasstacked vias for 3 layers interconnected, staggered vias for 4 layers interconnected
Other TechniquesFlex-rigid combination
Via In Pad
Buried Capacitor (only for Prototype PCB total area ≤1m²)

Printed circuit board technology has been evolving to meet the demands of smaller and faster products.HDI boards are more compact and feature smaller vias, pads, copper traces, and spaces. As a result, HDI allows for denser routing, making the PCB lighter, more compact, and with fewer layers. Runrays are right here to serve you with outstanding HDI PCB manufacturing servcies.