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Micron Technology of the U.S. will invest about 100 billion yen ($866 million) in a Japanese plant to boost production of DRAM chips.
The plant, located in Hiroshima Prefecture, once belonged to the old Elpida Memory, a Japanese company that Micron acquired in the summer of 2013. It will step up output of DRAM chips with 20-nanometer circuit widths. This type raises chip yields on wafers by 20% compared with their older 25nm counterparts.