Chinese memory chipmaker ChangXin Memory Technologies, or CXMT, said at the 2026 World Manufacturing Convention that its fifth-generation technology platform has entered mass production. The company disclosed several process metrics for the platform, including an 11.95 nm half-pitch in the active area of the memory array, a 45:1 aspect ratio for memory capacitors, and a core power region height reduced to 6,762 nm. According to the company, the new process platform delivers a major increase in storage density, and wafer output under the same conditions is more than 50% higher than on the previous-generation platform. CXMT also said a 24GB LPDDR5X product built on the fifth-generation platform has moved into formal mass production and has already entered mainstream domestic flagship smartphones. The announcement was reported by ChainCatcher.
Chinese memory chipmaker ChangXin Memory Technologies (CXMT) said at the 2026 World Manufacturing Convention that its fifth-generation technology platform has officially entered mass production.
The company said it has achieved an 11.95 nm half-pitch in the active area of the memory array, a 45:1 aspect ratio for memory capacitors, and reduced the height of the core power region to 6,762 nm.
Process metrics and output gains
CXMT said the fifth-generation process platform delivers a significant increase in storage density. Under the same conditions, output per wafer is more than 50% higher than that of the previous-generation platform.
A 24GB LPDDR5X product built on the platform has already entered formal mass production and has been adopted in mainstream domestic flagship smartphones, according to the company.
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