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
2-9.(Area) Wafer Contamination

2-9.(Area) Contamination


Any foreign matter on the surface in localized areas which is revealed under high intensity (or diffuse) illumination as discolored, mottled, or cloudy appearance resulting from smudges, stains or water spots.
 

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