K1 Semiconductor offers a wafer‑spalling platform that delaminates ultra‑thin layers from compound‑semiconductor wafers, enabling up to 20 reuse cycles per wafer and reducing material waste to under 5 %. The process delivers engineered substrates with nanometer‑level thickness control and typical 20 % performance gains for high‑frequency and high‑power devices, and integrates with standard 200 mm/300 mm fab equipment for AI, automotive, quantum and defense applications.
Funding
Funding not disclosed
Founders
Product
Problem
The semiconductor supply chain loses more than 65 % of valuable compound‑semiconductor material during conventional wafer sawing and grinding, driving up costs and limiting the availability of high‑performance substrates needed for AI accelerators, autonomous‑vehicle processors, quantum‑computing chips, and defense electronics. This material scarcity hampers scaling of next‑generation devices that require substrates capable of withstanding extreme heat, radiation, and voltage.
Solution
K1 Semiconductor’s wafer‑splitting (spalling) platform transforms the upstream manufacturing flow by enabling the controlled delamination of ultra‑thin layers from premium compound‑semiconductor wafers. The process allows a single high‑cost wafer to be reused up to twenty times, dramatically reducing raw‑material waste while delivering engineered substrates with a typical 20 % performance uplift. Extracted layers can be heterogeneously stacked or combined with other materials to create customized, high‑frequency or high‑power wafers tailored to demanding applications. The technology integrates with existing fab equipment, so manufacturers can adopt it without extensive line retooling. By lowering substrate cost and improving performance, K1’s platform unlocks higher‑density chip designs for data‑center AI, autonomous systems, quantum processors, and rugged defense hardware.
Target Audience
Primary customers are semiconductor foundries and fabless chip designers developing high‑performance AI accelerators, autonomous‑vehicle processors, quantum‑computing chips, and defense electronics that require advanced compound‑semiconductor substrates.
Features
- Precision spalling process that separates wafer‑scale thin films (≤ 10 µm) with nanometer‑level thickness control
- Reuse cycle of up to 20 passes per parent wafer, cutting material waste from > 65 % to < 5 %
- Generation of heterogeneous “engineered” wafers that combine multiple compound‑semiconductor layers for tailored bandgap and thermal properties
- Compatibility with standard 200 mm/300 mm fab tooling, enabling incremental adoption without major capital expense
- Demonstrated 20 % device‑level performance gain in high‑frequency and high‑power transistor benchmarks
- Integrated metrology suite for in‑process thickness verification and defect mapping
- Scalable batch‑processing workflow that supports high‑volume production for AI, automotive, quantum, and defense markets