Aligned with IPC-2226, IPC-6016, and Industry Fabrication Best Practices
1. Core Microvia Geometry & Aspect Ratio
Finished microvia diameter: 20–150µm (0.8–6 mils) (IPC-2226 definitio...
The exponential growth of semiconductor integration—smaller dies, higher I/O counts (exceeding 1,000 pins for advanced BGAs/ASICs), and finer pitch requirements (down to 0.12mm)—has pushed traditio...
The relentless demand for smaller, faster, and more feature-dense electronic devices has transformed high-density interconnect (HDI) printed circuit boards (PCBs) from a niche technology to a corne...
In the era of miniaturized electronics, the demand for high-density interconnect (HDI) PCBs has skyrocketed. Consumer devices, industrial controllers, medical equipment, and aerospace systems incre...
Introduction
Microvias (≤150µm diameter) are critical in high-density interconnect (HDI) PCBs, enabling miniaturization in 5G, IoT, and aerospace electronics. However, their adoption introduces ma...
What is an HDI PCB? Key Definitions & Types
A High Density Interconnect (HDI) PCB is a cutting-edge circuit board distinguished by blind/buried vias, microvias (≤0.006”/150μm diamete...
What is an HDI PCB? Core Definition
A High-Density Interconnect (HDI) PCB is a advanced circuit board characterized by high pin density (120–160 pins per square inch), dense component placeme...
What is HDI PCB? Core Concepts & Standards
Definition & Evolution of HDI Technology
High Density Interconnect (HDI) PCBs are advanced circuit boards optimized for packing more components ...
What is HDI PCB? Definition & IPC-2226 Standards
Core Definition of High-Density Interconnect PCB
Per the IPC-2226 international standard, a High-Density Interconnect (HDI) PCB is a printed c...
Two critical via types used in HDI PCB design to lower interconnect density, enhance signal integrity, and maximize performance are skip vias and blind vias. Engineers frequently have to choose bet...
With the increasing emphasis on sustainability, fire safety, and compliance, the demand for halogen-free FR4 alternatives in automotive applications is rapidly growing. Traditional FR4 PCB material...