Modern electronics continue to pack more functionality into increasingly compact designs. At the same time, the demand for higher performance, stronger connectivity, and greater reliability continues to grow.
As a result, engineers must increase routing density, maintain signal performance, and support more advanced designs without increasing board size. This is where High-Density Interconnect (HDI) technology plays an increasingly important role.
From industrial equipment and telecommunications systems to automotive electronics and wireless applications, HDI PCBs are used across a broad range of modern electronic products.
What is HDI PCB Technology?
HDI (High-Density Interconnect) PCBs utilise advanced interconnection structures such as microvias, blind vias, and buried vias to achieve higher circuit density than conventional multilayer PCBs.
By creating more efficient connections between layers, HDI technology helps engineers optimise board layouts, improve routing efficiency, and maximise available PCB space. In addition, it supports more compact designs without compromising functionality.
Key benefits of HDI technology include:
- Higher component density
- Reduced board footprint and weight
- Improved routing efficiency
- Greater design flexibility
Together, these advantages make HDI PCBs well suited for compact electronic applications that require high routing density, fine-pitch component integration, and efficient interconnect structures.
Key Considerations for HDI PCB Design
Although HDI technology provides additional routing options, careful planning remains essential throughout the design process.
Stack-up Optimisation
A well-planned stack-up helps balance routing requirements, electrical performance, and manufacturing considerations.
Via Strategy
Selecting the appropriate via structure can improve routing efficiency while ensuring reliable interconnections between layers.
Signal Integrity
As circuit density and operating frequencies increase, maintaining signal integrity becomes increasingly important during PCB development.
Design for Manufacturability (DFM)
Therefore, early collaboration between design and manufacturing teams helps ensure design requirements align with manufacturing capabilities before production begins.
JST’s Manufacturing Capabilities
To address evolving PCB design requirements, our Jiangyou STARTEAM (JST) factory in Sichuan, China continues to expand STARTEAM’s HDI manufacturing capabilities.
Our JST current capabilities include:
- HDI stack-ups up to 2+N+2
- Multilayer PCB constructions up to 20 layers
- Heavy copper designs up to 6oz
- Copper inlay integration
- PTFE material solutions for high-frequency applications
Together, these capabilities support a wide range of PCB requirements, from high-density multilayer designs to specialised applications requiring advanced materials and thermal management solutions.
JST’s Future HDI Manufacturing Roadmap
Looking ahead, JST’s technology roadmap includes expansion towards 3+N+3 HDI configurations with staggered vias, as well as support for up to 26 layers. These planned advancements will further enhance JST’s ability to support higher-density PCB layouts, advanced HDI interconnect structures, and more complex multilayer designs.
Partner with STARTEAM GLOBAL on Your Next HDI PCB Project
Backed by JST’s manufacturing capabilities, STARTEAM GLOBAL works closely with customers to support PCB projects from design through production. Early engagement allows design and manufacturing requirements to be reviewed together, helping ensure a smoother path to production.
Whether you’re developing industrial electronics, telecommunications equipment, high-frequency applications, or other high-density designs, our team is ready to help bring your next HDI PCB project to market.
Contact us at sales@starteam.global to discuss your requirements.
