| CPC G01N 27/9006 (2013.01) | 20 Claims |

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1. A sensor for inspecting a component, comprising:
a drive coil selectably energizable to generate a magnetic field and extending in a first direction;
a first set of sensing coils arranged adjacent to each other in the first direction; and
a second set of sensing coils arranged adjacent to each other in the first direction and overlying the first set of sensing coils, wherein the second set of sensing coils are offset from the first set of sensing coils in the first direction.
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