China’s biggest memory maker says it has caught up with Samsung and Micron
Our process capability is now on par with the most advanced mass-produced nodes out there in the industry.
Luo Xiaodong, vice president of ChangXin Memory Technologies and head of its marketing centre, said that at the World Manufacturing Convention in Hefei, in remarks reported by Reuters. China’s largest maker of DRAM had just announced that its fifth-generation technology platform had entered mass production.
The CXMT DRAM numbers
The company set out the detail on its own site on Sunday. It puts the active area half-pitch at 11.95 nanometres, the storage capacitor aspect ratio at 45 to 1, and says it reached those dimensions using four-exposure patterning. The platform yields at least 50% more dies per wafer than its fourth generation, measured on an eight-gigabit baseline.
Two products already run on it. Both are 24-gigabit LPDDR5X, the low-power memory used in smartphones and portable electronics, and both hold 50% more...
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