Back中國長鑫究竟突破什麼?竟引發全球晶片股暴跌
中國長鑫究竟突破什麼?竟引發全球晶片股暴跌
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自由时报2 hours agoBusiness2 min readChinaView translation

中國長鑫究竟突破什麼?竟引發全球晶片股暴跌

Quick Look

中國長鑫存儲宣布在新一代4F² DRAM架構取得關鍵進展,計畫今年底推出伺服器記憶體產品,引發全球半導體股震盪,三星與SK海力士股價分別下跌約13%及15%,美光、SanDisk及歐洲半導體廠商亦下跌,市場擔憂中國廠商可能縮小與國際大廠的技術差距。

AI-generated summary

Why It Matters

全球記憶體市場長期由三星電子、SK海力士及美光等少數國際大廠壟斷,中國長鑫存儲作為國產替代品牌,近年透過國家補助與產能擴張逐步提升技術實力。其最新宣稱的4F² DRAM架構若成功商業化,將有望顯著提升記憶體密度並降低單位成本。

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中國長鑫新技術震撼全球晶片股,三星、SK海力士重挫。(法新社)

〔財經頻道/綜合報導〕中國記憶體大廠長鑫存儲(CXMT)一項最新技術進展,竟引發全球半導體股震盪!據報導,長鑫宣布在新一代DRAM記憶體架構取得關鍵進展,計畫今年底推出採用4F²技術的伺服器記憶體產品,消息引發市場擔憂,中國廠商可能加速縮小與三星電子、SK海力士及美光的技術差距,進一步威脅全球記憶體大廠的競爭優勢。

《IBTimes》指出,中國長鑫的一項技術進步,可能能夠生產出更有效率的記憶體晶片,從而在更小的空間內儲存更多的數據,此消息一出令投資者感到震驚。

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根據《Morningstar》10月14日報導,長鑫的新技術消息加劇投資人對中國競爭的疑慮,三星與SK海力士自週一開盤以來,股價分別累計下跌約13%及15%。美國記憶體大廠美光與SanDisk也在13日分別下跌約5%及3%,歐洲半導體設備及晶片業者ASML、BE Semiconductor與意法半導體則下跌約2%至4%。

這項技術究竟有何突破?根據《TrendForce News》報導,長鑫總裁曹堪宇10日在上海舉行的產業會議上,介紹新一代4F² DRAM架構。相較目前主流的6F²設計,4F²可縮小單一記憶體單元所占面積,理論上使相同晶片面積的記憶體密度提高約30%至50%。

長鑫採用的技術包括垂直環繞閘極電晶體(VSG),有助改善電晶體控制能力,降低漏電流及短通道效應,並探索利用晶圓混合鍵合技術改善記憶體單元與周邊電路的連接。曹堪宇表示,公司已公布超過300個與4F²架構相關的專利家族。

值得注意的是,長鑫計畫今年底推出採用新架構的伺服器DDR5 RDIMM產品,顯示其正積極切入原本由國際記憶體大廠主導的伺服器市場。

《Morningstar》股票分析師Jing Jie Yu指出,長鑫的宣布打亂市場對新一代記憶體技術開發時程的預期。如果長鑫能比競爭對手更早實現商業化,將凸顯中國DRAM產業的技術競爭力。考量中國正在快速擴張DRAM產能,也可能增加未來市場供應過剩的風險。

不過,三星與SK海力士同樣正在開發4F²相關技術。TrendForce News指出,三星已展示結合4F²單元與混合鍵合技術的16Gb原型產品,而長鑫年底推出新產品,也不代表已具備大規模量產能力,新產品甚至可能僅部分採用4F²架構。

此外,《路透》指出,這波半導體股跌勢也受到市場對AI投資支出的擔憂影響。博通執行長陳福陽日前將部分AI投資行為比喻為賭場投機,進一步加重市場疑慮。因此,長鑫技術消息雖然引發全球記憶體股賣壓,但新架構能否真正實現商業化,仍有待觀察。

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What to Watch

AI outlook — possibilities, not facts

  • 長鑫存儲將在2026年底前成功推出基於4F²架構的伺服器DDR5 RDIMM產品並實現小批量出貨

    Possible · Within months

  • 三星與SK海力士將在未來6至12個月內加大對4F²及混合鍵合技術的研發投入,以維持技術領先地位

    Likely · Within months

Open Questions

  • 長鑫存儲的4F²技術是否能夠實現大規模量產?
  • 新產品是否將完全採用4F²架構,或僅部分應用?
  • 三星與SK海力士的4F²技術開發進度為何?何時將推出競爭產品?
  • 此波半導體股下跌有多少歸因於長鑫技術消息,有多少來自AI投資支出擔憂?

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This article was originally published by 自由时报.

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