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台積電擴大 CoW 封裝外包,ASE 等 OSAT 將承接 CoW 產能以緩解 AI 晶片製造瓶頸

2026-08-05 09:15:25

ChainCatcher 消息,据電子時報報導,台積電(TSMC)計劃進一步擴大其CoWoS 先進封裝中CoW(Chip-on-Wafer) 環節的外包規模,將更多封裝訂單交由ASE 等OSAT 廠商承接。CoWoS是台積電2.5D 封裝技術,將GPU等AI處理器與HBM通過中介層連接,其中CoW為晶片與中介層結合步驟,WoS為中基板封裝步驟。此前台積電主要外包WoS環節,CoW僅少量委託。

此舉旨在緩解因AI晶片需求持續飆升導致的封裝產能瓶頸。台積電占據全球AI晶片製造市場約 90% 份額,但隨著英偉達等廠商及AI數據中心自研晶片需求激增,產能已難以滿足。業內預計OSAT將大幅增加設備投資,特別是在晶圓切割與鍵合等後工序領域。韓國多家激光加工及鍵合設備供應商已被證實正在與OSAT就CoW設備供應進行洽談。

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