Protective film
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United States of America Patent
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Aug 13, 2013
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app pub date -
Mar 29, 2011
filing date -
Mar 29, 2011
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Abstract
A protective film has a soluble polyimide polymer base layer and an exterior layer directly contacting the base layer exterior surface. The base layer is less than 12 microns thick, and is at least 2 meters long. The exterior layer includes at least one of a fluorinated polymer, a dielectric layer, one or more metallic layers, a metalloid layer, or a plurality of dielectric layers where each dielectric layer has a dielectric layer thickness that varies no more than 3%. The exterior layer or the base layer can also include additives, as desired.
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