3D InCites Podcast
3D InCites Podcast
Francoise von Trapp
IMAPS Symposium 2025: Chiplets vs. Dielets and the Truth about Co-Packaged Optics
45 minutes Posted Oct 9, 2025 at 1:00 pm.
Live at IMAPS: Setup & Sponsor
Meet Dr. Subu Ayer
Chiplets vs Dialets: Definitions
Why “No Universal Chiplet Ecosystem”
Standards, Bump Pitch, and UCIE
Packaging as Extension of Silicon
Power, Cooling, and AI Energy
Value, Margins, and TSMC Strategy
Roadmaps and Industry Inertia
MRHIEP and Open Roadmapping
NAPMP Rebrand and What Matters
Talent, Visas, and U.S. Competitiveness
Co‑Packaged Optics Panel Intro
What CPO Really Is
Bandwidth, Latency, and Power Drivers
Infrastructure Gaps and Cost Targets
Hyperscalers, AI, and Adoption Timing
Outlook: Scaling CPO Over Five Years
Closing and What’s Next at IMAPS
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We sit down with Dr. Subu Iyer of UCLA to unpack chiplets vs dielets, why a universal ecosystem is missing, and how sub‑10 µm bump pitch could make protocols optional. Then we host a panel featuring John Knickerbocker, IBM; Mike Kelly, Amkor; and Tolga Tekin, Fraunhofer IZM on co‑packaged optics, bandwidth, and power for AI data centers.

• chiplet as design construct, dielet as physical die
• lack of universal chiplet ecosystem and interoperability
• bump pitch scaling and protocol overhead trade‑offs
• packaging purpose reframed as power, communication, and cooling
• economic shift and value capture in advanced packaging
• national competitiveness, prototyping access, and talent pipeline
• co‑packaged optics definition, drivers, and cost targets
• copper reach limits, latency, and bandwidth density for AI
• hyperscalers as early adopters and five‑year outlook

Learn more at imaps.org


IMAPS International
IMAPS is the largest society dedicated to microelectronics and electronics packaging advancement.

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