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MULTI-LAYER EDDY CURRENT PROBE, METHOD FOR PRODUCING A MULTI-LAYER EDDY CURRENT PROBE, AND TEST DEVICE HAVING A MULTI-LAYER EDDY CURRENT PROBE
MULTI-LAYER EDDY CURRENT PROBE, METHOD FOR PRODUCING A MULTI-LAYER EDDY CURRENT PROBE, AND TEST DEVICE HAVING A MULTI-LAYER EDDY CURRENT PROBE
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机译:多层涡流探头,多层涡流探头的制造方法以及具有多层涡流探头的试验装置
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摘要
A multi-layer eddy current probe has a large number of flat spiral coils which are arranged in different coil layers of a multi-layer arrangement, wherein a respective insulating layer which is composed of electrically insulating material is arranged between adjacent coil layers of the multi-layer arrangement. Each of the flat coils has an inner terminal and an outer terminal. Selected terminals of selected flat coils of different coil layers are electrically connected to one another by way of vias. The flat coils form at least one coil group which has at least three flat coils which are arranged one above the other in different layers, wherein the inner terminals of the at least three flat coils of the coil group are electrically conductively connected by means of a common inner via.
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