PROBLEM TO BE SOLVED: To provide a plating treatment method applied to the holding face of a holder having a fine tip, and a holder applied with the plating treatment method.SOLUTION: Provided is a plating treatment method for the holding face of a holder, in which a plurality of the first diamond particles in which the particle diameter being a fixed first particle diameter are uniformly, temporarily fixed in such a manner that the upper faces of the first diamond particles are arranged, and, after the temporary fixing, nickel-containing metal is precipitated on the holding face to a fixed thickness not exceeding the first particle diameter after the temporary fixing to fix the first diamond particles to the holding face.SELECTED DRAWING: Figure 1【課題】微小な先端を有する把持具の把持面に施すめっき処理方法及びこのめっき処理方法を施した把持具を提供する。【解決手段】本発明に係る把持具の把持面のめっき処理方法は、粒径が一定の第１粒径である複数の第１のダイヤモンド粒子を、第１のダイヤモンド粒子の上面が揃うように均一に仮固定し、仮固定後に、第１粒径を超えない一定の厚さまで把持面にニッケルを含む金属を析出させて第１のダイヤモンド粒子を把持面に固着する。【選択図】図１
