Toshiba in system chip jv deal with Amkor, other

TOKYO, April 28 (Reuters) - Japan's Toshiba Corp (6502.T) said on Tuesday it would set up a joint venture with U.S.'s Amkor Technology (AMKR.O) and Japan's Nakaya Microdevices in October to assemble system chips. Toshiba, Japan's biggest chipmaker, said the outsourcing move would help improve earnings in its battered chip business. (Reporting by Sachi Izumi)