Nvidia, Google among US tech companies vying to secure material from top producer

20260203N Nittobo cloth

Nitto Boseki’s glass cloth features low thermal expansion, making it a valuable material for high-performance AI chips. (Nitto Boseki)

ANNA SATO, ARATA SHIGENO and EMI OKADA

February 4, 2026 07:17 JST

TOKYO — Japan’s Nitto Boseki aims to offer an upgraded version of its in-demand glass fiber cloth as early as 2028, improving resistance to heat-related warping for increasingly powerful artificial intelligence semiconductors.