ASTM D4935-18
- Standard Test Method for Measuring the Electromagnetic Shielding Effectiveness of Planar Materials
- standard by ASTM International, 05/01/2018
- Category: ASTM
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1.1 This test method provides a procedure for measuring the electromagnetic (EM) shielding effectiveness (SE) of a planar material for a plane, far-field EM wave. From the measured data, near-field SE values can be calculated for magnetic (H) sources for electrically thin specimens.2,3 Electric (E) field SE values are also able to be calculated from this same far-field data, but their validity and applicability have not been established.
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