Built with revolutionary “nanostack” 3D chip architecture, IBM’s sub-1 nm chip to propel semiconductor industry forward for the next decade Jun 25, 2026 YORKTOWN HEIGHTS, NY, June 25, 2026 – IBM (NYSE: IBM) today unveiled a major semiconductor breakthrough with the introduction of the world’s first sub-1 nanometer (nm) chip technology, featuring a revolutionary transistor architecture at the 0.7 nm, or 7 angstrom node. The achievement marks a landmark moment for an industry facing the physical l...