Reports from Wccftech and Forbes (May 26, 2026) indicate that Intel Foundry's facility in Rio Rancho, New Mexico, is advancing toward becoming the world's first factory to achieve mass production of glass substrates — a next-generation chip packaging technology considered critical for scaling AI hardware beyond current organic substrate limitations.
The facility has already begun manufacturing silicon photonics products for external customers and is expected to play a central role in Intel's advanced packaging strategy.
Glass substrates address fundamental limitations of current organic (ABF) substrates that are becoming bottlenecks for AI chip scaling:
For AI accelerators that already push CoWoS substrate limits at 5,500+ mm², glass substrates could enable even larger multi-chiplet assemblies. Intel has been building an advanced packaging portfolio:
According to Forbes:
| Milestone | Timeline |
|---|---|
| Glass substrate R&D announcement | 2023 |
| Pilot line (Chandler, AZ) | 2024-2025 |
| Silicon photonics production (Rio Rancho) | 2026 (active) |
| Glass substrate volume production | ~2028-2030 |
Glass substrates won't replace standard PCBs. They target the advanced packaging tier between silicon chips and PCB motherboards. But the technology has ripple effects:
The overall system still requires traditional PCB motherboards, backplanes, and flex circuits — glass substrates raise the performance bar for everything in the signal path.
Sources: Wccftech, Forbes, IC&PCB Union (May 2026) Further reading: