After manufacturing, we individually inspect all substrates, measuring their flatness, bow and taper, and checking them for surface saw marks, edge chips and cracks. We then package them in a class 100 environment and ship them to customers in inert-atmosphere individually-sealed containers to secure the substrate quality at delivery.

In order to satisfy customers' just-in-time delivery requirements, we generally keep a consignment supply of as-sliced substrates in inventory for our standard product lines. In most cases, our customers can expect a quick turnaround in 2 to 4 weeks.

AXT provides a guarantee for each substrate purchased. We will replace or rework substrates to customer satisfaction according to the purchase specifications. However, AXT cannot be responsible for any defects caused by customers' intended or unintended misuse of the products.