Importance

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Abstract

Provided is film formation apparatus of a metal film and a film formation method therefor capable of forming a homogeneous metal film of a uniform thickness stably, while being less affected by the surface state of the anode. A film formation apparatus 1A includes: an anode 11; a solid electrolyte membrane 13 disposed between the anode 11 and a base B serving as a cathode; and a power supply unit 14 to apply voltage between the anode 11 and the base B, the film formation apparatus being configured so that, when the solid electrolyte membrane 13 is brought into contact with a surface of the base B, and voltage is applied between the anode 11 and the base B, metal is deposited on the surface of the base B from metal ions included inside of the solid electrolyte membrane 13, so that the metal film F made of the metal is formed. The film formation apparatus 1A includes a mounting base 21 on which the base B is to be placed, and the mounting base 21 has a suction unit 22 to suck the solid electrolyte membrane 13 from a side of the base B so that the solid electrolyte membrane 13 is brought into intimate contact with the surface of the base B during formation of the metal film F.

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First Claim