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Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning

  • US 5,659,248 A
  • Filed: 04/15/1996
  • Issued: 08/19/1997
  • Est. Priority Date: 10/17/1994
  • Status: Expired due to Fees
First Claim
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1. An eddy current surface measurement array for static scanning an inspection surface, comprising:

  • a layered flexible structure; and

    a three-dimensional array of eddy current sense elements disposed within the layered flexible structure, said three-dimensional array comprising a plurality of layers each having two-dimensional sub-arrays of sense elements interconnected throughout said layered structure, each two-dimensional sub-array layer staggered with respect to each other, wherein said eddy current sense elements in each sub-array are staggered with respect to said eddy current sense elements in the other sub-arrays, said staggered eddy current sense elements completely covering the inspection surface as said eddy current surface measurement array is placed thereover.

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