# OBSIDIA Semiconductors > OBSIDIA builds foundational hardware security for AI. Our ReelScan product uses non-linear RF fingerprinting to authenticate semiconductors and stop counterfeits before they ship. OBSIDIA Semiconductors Inc. is a San Jose, California company developing non-contact, non-invasive, IP-agnostic chip authentication technology. We protect the supply chain by verifying each chip's unique physical fingerprint, no chip modifications required. ## Pages - [Home](/): Company overview, mission, vision, and contact. - [ReelScan](/reelscan): The world's most advanced RF fingerprinting system for semiconductor authentication. - [Who We Serve](/who-we-serve): Defense, commercial, and manufacturing applications we protect. - [Podcast](/podcast): Obsidio, our podcast on hardware security, semiconductor trust, and supply chain resilience. - [OBSIDIA for Slack](/slack): About the OBSIDIA Slack app and how to install it. - [Support / Help](/support): How to contact the team, book a demo, and get help as an existing customer. - [Security & Compliance](/security): Our security commitment, Trust Center, and how to report a vulnerability. - [Careers](/careers): Open roles and how to introduce yourself. - [Privacy Policy](/privacy): How we collect, use, and protect information on this site, and where product privacy is covered. - [Terms of Use](/terms): Terms governing use of the website, and what they do not cover.