Micron breaks ground on new cleanroom at Hiroshima facility - Evertiq

Micron Technology has initiated construction of a new cleanroom at its manufacturing facility in Higashi-Hiroshima, Japan, marking the largest capacity expansion at the site since its acquisition of E... Read original →

Micron’s Hiroshima cleanroom expansion is less about capacity and more a strategic pivot to anchor EUV-based DRAM leadership. This move pressures upstream suppliers to refine EUV mask and light-source yields while forcing AI chipmakers to recalibrate HBM memory bandwidth roadmaps. Although Japan’s $3.3B subsidy eases near-term capex, it locks Micron into tighter local supply chains vulnerable to tightening U.S.-Japan export controls—especially on critical materials like photoresists. Facing Samsung and SK hynix’s aggressive 1-gamma DRAM rollout, Micron leverages Japan as a geopolitically ‘safe’ manufacturing base to win trust from North American and European automakers like Ford and GM. Over the next 24 months, this facility will serve as Micron’s pilot line for 1-beta to 1-gamma transitions and could catalyze Japan’s shift from a materials supplier to a closed-loop memory manufacturing hub, redrawing East Asia’s semiconductor power map.