CPC H10K 77/111 (2023.02) [C03C 3/066 (2013.01); C03C 3/068 (2013.01); C03C 3/14 (2013.01); C03C 8/04 (2013.01); C03C 8/16 (2013.01); H10K 50/828 (2023.02); H10K 71/00 (2023.02); C03C 2207/00 (2013.01); H10K 30/80 (2023.02); H10K 2102/00 (2023.02); H10K 2102/311 (2023.02); H10K 2102/351 (2023.02); Y10T 428/12618 (2015.01)] | 8 Claims |
1. A sheet for a flexible device, the sheet including either a nickel-plated metal sheet including a nickel-plating layer formed on at least one surface of a metal sheet or a nickel-based sheet, wherein a roughened oxide layer is formed on either the surface of the nickel-plating layer or the surface of the nickel-based sheet,
wherein the oxide layer has an arithmetic mean roughness (Ra) in a range of 30 to 100 nm, and
wherein the oxide layer has a surface having maximum height roughness (Rz) in a range of 420 to 900 nm.
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