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7423424 Method and apparatus for the non-destructive and contactless detection of faults in a test piece which is moved relative to a probe  
Method for nondestructive and contact-free detection of faults in a test specimen which is moved relative to a probe that detects a periodic electrical signal having a carrier oscillation whose...
7289913 Local feature characterization using quasistatic electromagnetic sensors  
Local features such as cracks in materials are nondestructively characterized by measuring a response with an electromagnetic sensor and converting this response into a selected property using a...
7214941 Crack detection in razor blades  
Methods are provided for determining the presence of cracks in razor blades during manufacturing. The methods may include, for example, providing a plurality of razor blades in a stack, inducing a...
Matches 1 - 3 out of 3