Dummy Wafer (Coinroll)

Dummy wafers (also called as test wafers) are wafers mainly used for experiment and test and being different from general wafers for product.

Accordingly, reclaimed wafers are mostly applied as dummy wafers (test wafers).

Dummy wafers are often used in a production device to improve safety in the beginning of production process and are used for delivery check and evaluation of process form.

As dummy wafers are often used for experiment and test, size and thickness thereof are important factors in most occasions.

In each process, film thickness, pressure resistance, reflection index and presence of pinball are measured using dummy wafers (test wafers). Also, dummy wafers (test wafers) are used for measurement of pattern size, check of defect and so on in lithography.

We have a large variety of dummy wafers. The dimensions range from 2 to 12 inches. The dummy wafers provided by us are guaranteed in quality for delivery check and process check, which can satisfy your request.

Our products are sourced exclusively from the world's top five manufacturers and leading domestic factories. Supported by highly skilled domestic and international technical teams and stringent quality control measures.

Our objective is to provide customers with comprehensive one-on-one support, ensuring smooth channels of communication that are professional, timely, and efficient. We offer a low minimum order quantity and guarantee swift delivery within 24 hours.

Our vast inventory consists of 1000+ products, ensuring that customers can place orders for as little as one piece. Our self-owned equipments for dicing & backgrinding, and full cooperation in the global industrial chain enable us prompt shipment to ensure customer one-stop satisfaction and convenience.

Our company takes pride in the various certifications we have earned, including our patent certificate, ISO9001 certificate, and National High-Tech Enterprise certificate. These certifications represent our dedication to innovation, quality management, and commitment to excellence.

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