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AQUEOUS VCN CLEANING SYSTEMS > WAFER PROCESSING

VCN Wafer Processsing

VCN wafer processed in 7 min versus the standard 20 min process time with half the KOH and 20% of the IPA required.


VCN Texturized Wafer



The video shows racked wafers being processed with VCN. Vacuum vapor bubbles periodically sweep the wafer surface clean of hydrogen and ion byproducts delivering OH- rapidly and uniformly for shorter, more effective wafer techturizing. VCN also assists in delivering fresh bulk solution between the racked wafers.


Suntech’s Pluto Texturized Wafer


Poor Hydroxide Distribution


Hydroxide Distribution with VCN