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Renesas Electronics attempts at restoring IC production: 300mm fab out until July, 2011

28 March 2011 | By Mark Osborne | News > Cleanroom

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Renesas Electronics has only one front-end IC fab still out of action after the March 11 Tohoku earthquakes, though several plants are still suffering from rolling blackouts, providing only limited production between blackouts. Renesas also noted in an updated report as to the recent impact the disaster has had on its Japan-based manufacturing that eight factories were still experiencing shortages of electricity and fuel supply and unstable logistics networking among other effects caused by the earthquake.

Renesas’ 300mm Naka front-end fab in Hitachinaka-shi, Ibaraki remains with only partial electricity supply, adequate for lighting requirements but not for production. A 200mm wafer fabrication line at the same site is also affected in the same way. The company noted that it is targeting to restart part of its manufacturing at the site from July, 2011.

The company noted that at Naka, a nearby electrical substation had been severely damaged in the earthquake. The assumption is that Renesas has received a schedule of some kind that give its confidence the facility will be operational in July.

According to an announcement, Renesas' President, Yasushi Akao has made a personal inspection of the facility and agreement with the assessment team production can be restored.

Those facilities, both front-end and back-end that are to restart production were not expected to return to full production until after the rolling blackouts were lifted.

Initially, the worst affected utility was TEPCO, which has yet to update when capacity could once again meet historical demand. The actual blackout period for each designated area is a maximum of about 3 hours, according to the utility, which announced new timelines for blackouts on March 24.

Japanese Government figures have showed that 660,000 households have no running water and more than 209,000 do not have electricity.

However, electricity problems are not limited to TEPCO. According to Kyushu Electric Power it has postponed restart of two of its nuclear reactors due to continued radioactive material leakage from TEPCO’s Fukushima Daiichi Nuclear Power Plant.

Actual power supply, despite calls for a reduction in power consumption, are well below historical demand patterns and no updates to when the supply/demand imbalances will be resolved have been announced by the utilities or government.


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