台積跳電 傳3萬片晶圓報廢 - 工程師
By George
at 2021-04-15T09:57
at 2021-04-15T09:57
Table of Contents
台積電(2330)南科14廠P7昨(14)日中午發生停電意外,傳出40/45奈米等成熟製程生
產受影響,至少數千至上萬片晶圓面臨報廢,最嚴重影響逾3萬至4萬片晶圓生產,損失恐
逾10億元以上。
台積電表示,事件發生後,廠區內同仁無安全疑慮亦無人員疏散,已在昨天傍晚恢復正常
供電,實際影響仍待釐清再說明。
https://imgur.com/q1it26k
業界人士透露,事件發生後,台積電南科14廠P7大部分機台立即啟動不斷電系統,未全面
跳電,昨天傍晚恢復正常供電,但該廠區生產的CIS影像感測晶片及車用電源管理晶片,
都是目前極缺的IC,雖然台積電生產線會很快恢復,但重新施作將讓這些晶片交期拉長,
預料在台積電重新調整產線後,交期將拉長至少一季,衝擊程度遠比台積電營業中斷損失
還大。
據了解,此次意外主因緯創集團旗下網通廠啟碁昨日進行南科廠擴建工程,承包商不慎挖
斷台電161KV地下電纜,導致南科—三福線線路跳脫。台積電今日將開線上法說會,預料
將釋出最新訊息。
半導體業者表示,台積電這次面臨的是中度壓降衝擊,通常晶圓製程中最關鍵的爐管及黃
光設備 ,都會有不斷電系統,避免最核心的曝光顯影受到波及,至於後續的蝕刻、研磨
等都採批次作業,評估影響得看有多少機台連結不斷電系統。
此次台積電傳出停電的廠區,業界盛傳主要生產40與45奈米等成熟製程,鄰近14廠P8部分
較多在特殊製程相對未有影響,其餘先進製程產線也未受干擾。
由於當下全球晶圓代工產能吃緊,台積電全球晶圓代工市占逾五成,此次事件讓全球半導
體業神經緊繃。業界對事件影響評估程度不一,單就生產線來看,有部分人士推估影響不
到1萬片12吋晶圓生產,以每片晶圓均價1,600美元估算,生產線上的晶圓損失約5億元以
內。
不過,台積受到其他廠商施工影響短期電力供應,主要影響不在線上生產晶圓,而是後續
排程的晶圓出貨時程,因為實際恢復正常供電時間約三至四小時,相關潛在影響排程晶圓
出貨片數則約3萬至4萬片不等,損失將逾10億元。
就終端應用而言,業界推測,此次意外估計間接影響車用電子或影像感測終端產品缺貨改
善情況,預測會較原先來得慢,雖然有機會篩選重複下單的客戶,但估計整體供不應求緩
解的情況仍會從第2季中旬延後至約第2季下旬。
https://money.udn.com/money/story/5612/5389056
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