ISOLATION FILM, METHOD OF MANUFACTURING ISOLATION FILM, AND UHF RFID TAG USING ISOLATION FILM
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Mar 31, 2023
filing date -
Mar 31, 2023
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Abstract
The present disclosure provides an isolation sheet comprising a resin layer and a plurality of dispersed insulated soft magnetic particles in the resin layer. By adjusting the weight percentage of the insulated soft magnetic particles in the isolation sheet, the product of the imaginary part of the dielectric constant, the dielectric quality factor, the real part of the permeability and the magnetic quality factor of the isolation sheet falls between 3000 and 4500. The present disclosure also provides a method for producing the aforementioned isolation sheet to produce a flexible rolled isolation material for printing and bonding with the antenna of the UHF RFID tag with conveniences, thus it is highly practical. The present disclosure also provides a UHF RFID tag comprising the aforementioned isolation sheet.
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