Asymmetries in wafer map defects are usually treated as random production hardware defects. For example, asymmetric wafer defects can be caused by particles inadvertently deposited on a wafer during ...

Partially defective, marginal die can still be functional enough to pass final electrical test. Some of these “walking wounded” chips get past final testing, but in the customer’s end product, under ...

Microelectronic device manufacturers can use the IRIS wafer-inspectionsystem from SemiProbe to detect flaws in the wafer circuit pattern, aswell as contamination or process damage. Depending on the ...

Modern photolithography machines must deliver extraordinary precision on a repeatable basis, and in high volume production. In response to demands for increased throughput in the semiconductor ...