Importance

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Abstract

In a master plate having an electrodeposition surface in which a metal formed article is formed by electrodeposition, and having a product region and a non-product region in the electrodeposition surface, the master plate includes: a product pattern that is formed in the product region and includes a recess and a protrusion; and a dummy pattern that is formed in at least a partial region of the non-product region and includes a plurality of recesses and a plurality of protrusions, the dummy pattern in which, in a case where a surface area of the product pattern per unit area of the product region is a first surface area, and a surface area of the dummy pattern per unit area of a dummy region in which the dummy pattern is formed is a second surface area, the second surface area is larger than the first surface area.

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First Claim