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Testing of Larger Silicon Wafer Bodes Well, Motorola Says.

Knight Ridder/Tribune Business News, June, 1999 by J. Leffall

Knight Ridder/Tribune Business News

Jun. 10 -- Motorola Inc. and its White Oak Semiconductor partner, Infineon Technologies, announced yesterday that initial testing of the 300 millimeter silicon wafer manufacturing line is yielding working memory chips at a rate of more than 60 percent.

The manufacturing standard at White Oak in Henrico County and other chip plants is an 8-inch or 200 mm silicon wafer. The larger wafers represent the next generation for manufacturing, and makers hope for significant cost advantages in volume production.

The 60 percent yield means more chips come from a 300 mm wafer than current, smaller wafers.

The announcement from project headquarters in Dresden, Germany, is significant to Motorola's postponed $3...

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