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台积电扩大 CoW 封装外包,ASE 等 OSAT 将承接 CoW 产能以缓解 AI 芯片制造瓶颈

2026-08-05 09:15:25

ChainCatcher 消息,据电子时报报道,台积电(TSMC)计划进一步扩大其CoWoS先进封装中CoW(Chip-on-Wafer) 环节的外包规模,将更多封装订单交由ASE等OSAT厂商承接。CoWoS是台积电2.5D封装技术,将GPU等AI处理器与HBM通过中介层连接,其中CoW为芯片与中介层结合步骤,WoS为中基板封装步骤。此前台积电主要外包WoS环节,CoW仅少量委托。

此举旨在缓解因AI芯片需求持续飙升导致的封装产能瓶颈。台积电占据全球AI芯片制造市场约 90% 份额,但随着英伟达等厂商及AI数据中心自研芯片需求激增,产能已难以满足。业内预计OSAT将大幅增加设备投资,特别是在晶圆切割与键合等后工序领域。韩国多家激光加工及键合设备供应商已被证实正在与OSAT就CoW设备供应进行洽谈。

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