Japanese PC memory maker Elpida Memory Inc will buy all the DRAM chips made by Taiwan's Powerchip as it looks for alliances to bolster its competitiveness in a market torn by oversupply and depressed prices. Elpida, the world's No.3 maker of dynamic random access memory chips (DRAM) behind South Korea's Samsung Electronics and Hynix Semiconductor , will sell those chips under the Elpida brand. Elpida and Powerchip are long-term partners and operate the Rexchip joint venture in Taiwan, while the Japanese company outsources some production to Taiwanese firms ProMOS Technologies and Winbond Electronics Corp .
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