Auditable claim record

TSMC Arizona First Fab · has process capability

TSMC N4 · SUPPORTED

urn:vlsi:claim:7554425af231980c7697a9f94c62f4e16cf8ad37f1cb0224f87d8805653ae264

First Arizona fab N4 high-volume production.

Evidence

The first fab began high-volume production on N4 in Q4 2024.

TSMC · Key Milestones — First Fab · supports

Published date unknown · Retrieved 2026-09-08T15:56:30.763Z

urn:vlsi:evidence:76326728297770b8a3bdcfd2b04cf9f997eb7f6f2418c6a53c8d1986b376a502

New assessments preserve earlier records. A correction changes the current interpretation without rewriting what VLSI knew before it.

Recorded assessments, oldest first
Revision	Recorded at (UTC)	Status	Validity	Reviewer & reason
1	2026-09-08T15:57:21.457Z	SUPPORTED	unknown unknown	curated-source-agent (agent) Evidence ingested by curated-primary-sources/1.0.0. Does not identify chips, customers, or installed equipment.