Company Name: Xiamen Powerway Advanced Material Co., Ltd
Tel: +86-592-5601404
Fax: +86-592-5745822
E-Mail: sic@powerwaywafer.com

Address: #3007-3008, No.89, Anling,Huli Developing Zone, Xiamen,China
2-26.TTV

2-26.TTV:


Total Thickness Variation (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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