Patent ID: 8057647
Filing Date: 2011-11-15
Classification: C25D,C25F

Abstract:
1. An electrode mounting structure of a surface treatment apparatus comprising: a metal electrode disposed so as to oppose a surface of an object to be treated, the electrode and the object to be treated being energized in a state where a treatment liquid is interposed between the electrode and the surface of the object to be treated, and under that state, the surface of the object is pre-plated or plated; an electrode holder member to which the metal electrode is detachably attached; and a resin coupler member formed with a threaded portion to be engaged with another threaded portion formed to at least one of the electrode holder member and the electrode to thereby attach the electrode to the electrode holder member, wherein the coupler member and the electrode holder member have the same outer diameter in a state where the electrode is attached to the electrode holder member by the coupler member.