Startups

Substrate

San Francisco, California

X-ray lithography for semiconductors. Founders Fund, GC, Valor invested $100M+.

Founded 2022

Team

No team members on record yet.

$100M2025-10-28	Paul Kwan, Hemant Taneja
$100M2025	Founders Fund, Long Journey Ventures, General Catalyst, Y Combinator, In-Q-Tel, Valor Equity Partners