Taiwan Semiconductor Manufacturing Company relies on Tokyo Ohka Kogyo

TSMC depends on Tokyo Ohka Kogyo (TOK), the largest global EUV photoresist supplier, which operates Taiwan production facilities with engineers co-located alongside TSMC process teams.

From: Taiwan Semiconductor Manufacturing Company
To: Tokyo Ohka Kogyo
Importance: Medium
Confidence: 62/100

Sources (1)

JSR, Tokyo Ohka Kogyo (TOK) and Shin-Etsu Chemical supply EUV photoresist to TSMC — TrendForce / Tom's Hardware, May 5, 2026

Cite this

InsightNodes, "Taiwan Semiconductor Manufacturing Company relies on Tokyo Ohka Kogyo" — Medium importance, 1 source. https://insightnodes.com/claims/r/tsmc~tokyo-ohka-kogyo~depends-on (accessed October 31, 2026).

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