Home > Terms > English, UK (UE) > Total thickness cariation (TTV)
Total thickness cariation (TTV)
The maximum variation in the wafer thickness. Total Thickness Variation is generally determined by measuring the wafer in 5 locations of a cross pattern (not too close to the wafer edge) and calculating the maximum measured difference in thickness.
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- Part of Speech: noun
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- Industry/Domain: Semiconductors
- Category: Silicon wafer
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