RADIATION TRANSMISSION PREVENTING FILM, AND RADIATION TRANSMISSION PREVENTING FILTER AND IMAGING DEVICE EACH UTILIZING SAID RADIATION TRANSMISSION PREVENTING FILM
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United States of America Patent
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Issued Date -
Oct 6, 2022
app pub date -
Jun 18, 2020
filing date -
Aug 21, 2019
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Abstract
The present invention provides a radiation transmission-suppressing film that can protect an imaging apparatus from a radiation without adversely affecting the imaging performance of the imaging apparatus. The radiation transmission-suppressing film of the present invention includes a polyvinyl alcohol-based resin film containing boric acid, wherein a product of a boric acid content (wt %) in the polyvinyl alcohol-based resin film and a thickness (μm) of the polyvinyl alcohol-based resin film is 500 or more.
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