This could just be authorial confusion, but if the SSB 800 can produce 11nm (presumably he's referring to DUV immersion single exposure, multiple exposures in 7nm), then what's the 7nm machine? EUV?As of now, the Shanghai Microelectronics has launched its first domestic machine, using ARF technology, which it says can fully meet the current needs of SMIC.
According to experts, the advanced machinery launched by Shanghai Microelectronics can accurately produce 11-nanometer chips, although the current large demand for Huawei is mainly supplying 14-nanometer chips.
And, based on this new breakthrough, Shanghai Microelectronics is also advancing to a 7-nanometer chip process. After one more step, the company says it will have machines capable of making 7-nanometer chips – "just around the corner".