Re: [新聞] 16奈米試產良率逾9成 台積電明年Q3量產已回收
這裡的良率是指 pure SRAM repair yield,這樣的水準是不錯,但也不難理解。
通常製程ready後,一兩年就可以拉到這個水準了,那為什麼 N16 才剛試產就有這種良率,
因為16奈米的後段製程跟20奈米是一樣的,只是前段改成了finFET,而20奈米已經ready
超過一年了,所以N16有這種良率也不用大驚小怪的。
難的是真正產品量產後的良率拉升速度,在N28以前,台積是第一個量產的,有大量的客戶
產品來練兵,來提升良率,而在 N16,若三星也可以有客戶的產品來練兵,
那就要再比一下了,當然除了良率外,晶片效能、產能、交期、客戶服務等也都是客戶
會考慮的,個人認為這場仗還是台積贏面居多,不過台積的隱憂在於製程的微縮快到極限
了,N10會不會是最後一代呢? 看下去.....
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