A few days ago, IT House reported that due to the low yield of TSMC 3 nm process, iPhone 15 series using A17 and M3 may become a small chip between a chip manufactured by 3 nm process and a chip manufactured by 5 nm process. According to DigiTimes, in order to solve the problem of low quality rate in 3 nm process "N3", TSMC began to launch the improved version "N3E" of "N3".
The media reported that TSMC will start manufacturing semiconductors using the 3 nm process "N3" in the second half of 2022 (July-December) and the improved "N3E" in the second half of 2023 (July-December). The production line is expected to be ready for operation in the second quarter of 2023 (April-June) before TSMC N3E begins mass production. In N3E, the extreme ultraviolet (EUV:Extreme Ultra Violet) mask is expected to reduce the number of exposures than originally scheduled, but even in this case, the transistor density is only 8% lower than N3 and 60% higher than 5 nm process "N5". Elchapuzas reported that the rate of good products during the trial production stage was much higher than that of the 3 nm process "N3B (N3B is not specified)".
Source:DigiTimes,elchapuzas via GAMINGSYMPhoto:Apple Hub/Facebook (FT729)
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