CPC G01N 23/046 (2013.01) [H01M 50/105 (2021.01); G01N 2223/303 (2013.01); G01N 2223/304 (2013.01); G01N 2223/611 (2013.01)] | 20 Claims |
1. An apparatus comprising:
a plurality of body layers configured to extend in a longitudinal direction of the apparatus;
at least one calibration pair configured to extend in the longitudinal direction of the apparatus and form an interleaved arrangement with the plurality of body layers, the at least one calibration pair comprising
a first calibration layer having a first edge;
a second calibration layer having a second edge; and
one or more opening extending through the first calibration layer and the second calibration layer;
wherein a first calibration dimension is defined by a distance between the first edge and a first predetermined point within the one or more openings; and
wherein a second calibration dimension is defined by a distance between the second edge and a second predetermined point within the one or more openings.
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