
Micron breaks ground on $9.3B Hiroshima HBM fab with $3.3B in Japanese subsidy
Micron broke ground on a ¥1.5 trillion (~$9.3B) expansion of its Hiroshima plant to make high-bandwidth memory for AI servers, with Japan's METI adding up to ¥536 billion (~$3.3B) toward the round. The move plants a U.S.-linked HBM supply chain on Japanese soil, backed by state subsidy — a direct challenge to SK hynix and Samsung's lead in the memory that AI GPUs depend on.
Source: upi.com ↗
As AI is increasingly implemented in society, demand for high-performance semiconductors will continue to grow. The efforts in Hiroshima will become even more important.
Fumio Kishida, former Japanese Prime Minister
Why this matters
- → Japan subsidizes foreign chipmaker to challenge South Korea's AI memory dominance.
- → Secures advanced semiconductor supply chain outside Taiwan amid geopolitical risk.
- → Signals shift in global AI chip production geography away from Korea.
Japan's AI chip gambit