| http://www.w3.org/ns/prov#value | - Examples of sheets that allow these effects to be achieved are metal sheets such as aluminum sheets and nickel sheets with a thickness in the range of 12 to 100 ??m and resin sheets such as fluorine-based, PTFE-based, and polyimide-based resin sheets with a thickness in the range of 12 to 100 ??m, and these may be constituted by a single sheet or a composite of several sheets.
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