Patent ID: 7179359
Filing Date: 2007-02-20
Classification: C25D,H01L

Abstract:
1. A cup-shaped plating apparatus comprising: a plating tank for storing a plating solution; a placement portion for an object to be plated, which is provided at an opening end of the plating tank; means for feeding plating solution into the plating tank; a plating solution outlet port which is formed in an inner circumferential surface of the plating tank; a cavity portion into which plating solution flows from the outlet port; a plate within the cavity portion, the plate having discharge ports, which discharge ports allow plating solution to flow therethrough, and which discharge ports comprise slotted openings having hole pieces detachably mounted in the slotted openings, each defining an opening area; and a collection tank for plating solution discharged from the discharge ports, wherein the shape and/or the opening area of the discharge ports is changeable.