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Re: Lightning_Rod post# 165197

Monday, 10/30/2023 1:34:51 PM

Monday, October 30, 2023 1:34:51 PM

Post# of 195309
Now what about the part “ > 1000”?

Go ahead and Google semiconductor manufacturing and yields and 1000 units. You will only find that yields are only related in the semiconductor industry in association with foundries.

Here is what I get when typing in yields semiconductor foundries and 1000. First or second hit……

As someone who has worked in testing full 200mm memory wafers at a "stable" node the target "good" yield was typically 90% at wafer level. For a company to make a profit and retain customers I would expect >98% to be considered a good yield for wafer testing with over 200die per wafer.



So this gives context to the first part of our phrase “extremely high yields”

Where will you find > 1000 units?
Only in the PVT stage of manufacturing. If anybody can find this outside of the context of foundries…….. good luck.

L_R


Best of luck.

Steve
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