Company Name: XIAMEN POWERWAY ADVANCED MATERIAL
Tel: +86-592-5601404
Fax: +86-592-5563272
E-Mail: sic@powerwaywafer.com

Address: #506B, Henghui Business Center,No.77,Lingxia Nan Road, High Technology Zone, Huli, Xiamen,361006
2-12.Edge Exclusion

2-12.Edge Exclusion


The outer annulus of the wafer is designated as wafer handling area and is excluded from surface nish criteria (such as scratches, pits, haze, contamination, craters,dimples, grooves, mounds, orange peel and saw marks). This annulus is 2 mm for 76.2 mm substrates, and 3 mm for 100.0 mm substrates.

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