4 inch

Our 4-inch Silicon Dummy Wafers are the fundamental, cost-effective consumables essential for sustaining daily semiconductor operations. They are meticulously designed for routine yet critical tasks such as chamber fill, tool seasoning, and protective runs during equipment maintenance and start-up. By serving as a reliable shield, they prevent contamination and protect your valuable product wafers, ensuring process tool stability and longevity. This makes them an indispensable asset for R&D labs, pilot lines, and operations utilizing mature process nodes. 

Sourced from a select network of trusted Asian suppliers, with premium options available from our Japanese partners, they deliver consistent performance and outstanding value.