prov:value
| - As a material for the resin layers 14 a, a polyester such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyether sulfone (PES), or polyethylene naphthalate (PEN), a resin such as polycarbonate (PC), a metal foil such as an aluminum foil, a copper foil, a Koval foil, or a laminate of a metal thin film and a resin film is preferably used.
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