Chiplets Revolution: How Advanced Packaging is Reshaping PCB Manufacturing

The semiconductor industry is undergoing a paradigm shift with chiplets and advanced packaging technologies. These innovations are creating new demands for PCB manufacturers in 2026.

What Are Chiplets?

Chiplets represent a revolutionary approach to chip design where multiple smaller chips (chiplets) are packaged together to form a complete processor. This approach offers several advantages:

• Cost Efficiency - Smaller dies yield better, reducing production costs
• Design Flexibility - Mix and match different IP blocks
• Performance Optimization - Best-in-class components for each function
• Faster Time-to-Market - Reusable chiplet libraries

Impact on PCB Manufacturing

Chiplet and advanced packaging technologies are driving significant changes in PCB requirements:

• Higher Layer Counts - 20-40 layer PCBs for complex interposers
• Ultra-Fine Line Width - 25μm or tighter trace/space
• Advanced Materials - Low-loss substrates for high-speed signals
• Thermal Management - Multi-die packages generate significant heat
• Microvia Density - HDI with 50μm or smaller vias

2.5D vs 3D Packaging

Two primary advanced packaging approaches dominate the industry:

2.5D Packaging uses an interposer to connect multiple chiplets horizontally. This approach requires sophisticated substrate PCBs with embedded trace routing.

3D Packaging stacks chiplets vertically using through-silicon vias (TSV), demanding even more advanced PCB technologies with ultra-high density.

Industry Leaders Driving Adoption

Major semiconductor companies are leading the chiplet revolution:

• AMD - Zen architecture chiplets
• Intel - Foveros and EMIB technologies
• NVIDIA - AI accelerator packaging
• TSMC - CoWoS and InFO packaging

XYD ET LTD: Ready for Advanced Packaging

We have invested in capabilities to support chiplet and advanced packaging PCB requirements:

• High-layer count PCBs (up to 108 layers)
• HDI and any-layer constructions
• Fine-line technology (25μm/25μm)
• Advanced materials (Rogers, Megtron, Panasonic)
• Impedance-controlled designs
• Thermal management solutions