Kepler Computing exits stealth with new 3D memory chip architecture
Kepler Computing, a seven-year-old San Jose startup, has emerged from stealth mode claiming a novel 3D-stacking method and proprietary material can boost memory chip density without relying on costly EUV lithography. The approach applies to both high-bandwidth memory used in AI systems and SRAM cache found in CPUs and GPUs, and can reportedly be built using existing fabrication plants rather than requiring new facilities.
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The global memory shortage has become a major bottleneck for AI hardware production, and any technology that increases chip density without EUV could lower costs and expand manufacturing capacity faster than building new advanced fabs. Backing from Intel Capital, AMD Ventures, GlobalFoundries, Bill Gates, and a $245 million US Commerce Department commitment signals serious institutional bets that Kepler's approach could reshape memory supply chains if it scales successfully.
- Kepler Computing has raised $468 million and secured up to $245 million from the US Commerce Department.
- Its 3D-stacking technique targets both HBM and SRAM memory without requiring EUV lithography.
- Testing is underway at GlobalFoundries' Singapore facility through Kepler's experimental 'mini fabs.'
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Published there as: “A Stealth Startup Thinks It Just Hacked the Memory Shortage”
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