LONDON – Japan's Renesas Electronics Corp. has announced that it plans to run test production on the 200-mm wafer fabrication line at its Naka wafer fabrication factory on Saturday (April 23) with mass production scheduled to start on June 15. The company also said that it has begun transferring some chip production to foundries. A manufacturing line for 300-mm diameter wafers at the Naka site is still set to restart at the beginning of July.
The Naka wafer fab in Hitachinaka, Ibaraki prefecture, halted production as a result of the earthquake in northern Japan on March 11. Renesas is the leading manufacturer of microcontrollers and the threat of microcontroller shortages has hung over multiple industries since the event.
The June 15 date is a wafers-in start date. It can take up to three months for a wafer to be processed and packaged for shipment to customers.
Meanhwhile Renesas has designated alternate manufacturing sites to make what would otherwise have been made at Naka. These include Renesas Electronics' Saijo factory in Saijo, Ehime; Renesas Northern Japan Semiconductor's Tsugaru factory in Goshogawara, Aomori; Renesas Yamagata Semiconductor's Tsuruoka factory in Tsuruoka, Yamagata; and other Renesas Electronics Group manufacturing sites. The company also has started transferring additional production to outside foundries beginning April, 2011.
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