TSMC on Friday revealed more details regarding an incident with a photoresist material at its Fab 14B earlier this year. The contaminated chemical damaged wafers on TSMC’s 12 nm and 16 nm lines, and the company now expects the full impact of the event to reduce their revenue by a whopping $550 million in the first quarter. TSMC said that a batch of photoresist it used included a specific element which was abnormally treated, creating a foreign polymer in the photoresist. The problem was detected late when the wafer yeilds were lower than expected. As it turns out, consequences of the photoresist incident at Fab 14B were more serious than initially calculated by TSMC. There are media reports claiming that between 10,000 and 30,000 wafers...
When new flagship silicon chips are released, one thing that I always eagerly await is somebody publishing a die shot of said design. Over the past few years this...27 by Andrei Frumusanu on 11/7/2018
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