News
Kyocera and Toray are working on overcoming a key technological challenge in photoelectric fusion.
Wednesday, December 10, 2025 at 08:25 PM
The companies are focused on developing faster and more precise bonding methods, which is a difficult process step for the technology critical to next-generation co-packaged optics (CPO) and AI data centers.
Context
Japanese materials and device makers are tackling a core hurdle in photoelectric fusion — the speed and precision of bonding optical and electronic elements. Toray has adapted its micro‐LED mass‐transfer know‐how to build a high‐speed laser transfer system that mounts laser emitters onto silicon, while Kyocera is developing simpler, sub‐micron alignment techniques to speed positioning and improve yields. These fixes aim squarely at the '接合' step that has constrained scaling.
That progress matters for semiconductor and AI supply chains because integrated photonics can slash interconnect power and unlock much higher bandwidth for data centers and AI accelerators. Toray targets ¥250 billion in its DI business by 2025, and industry forecasts peg semiconductor shipment value up to ¥100 trillion by 2030 — indicating pilots and early commercialization pathways in 2024–25 that could reshape optical‐component sourcing and equipment demand.
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