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Technology Stocks : Cree Inc.

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From: EvanG7/8/2021 7:28:24 PM
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slacker711

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STM has been using 500um thick 200mm wafers in their pilot line as opposed to 150mm wafers which are 350um thick. Does anyone know if 150mm wafers were thicker at the start of the rampup and then got thinner?

This link has the latest STM 200mm wafer quality report. Previous report said that thickness was in order to get warp and bow within spec. This report mentions both are within the final spec but doesn't mention if they will try for thinner wafers as a result.

Thicker wafers would be more lucrative for the wafer suppliers.

ec.europa.eu
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