Patent ID: 6848457
Filing Date: 2005-02-01
Classification: C25D,H01L,Y10S

Abstract:
1. Liquid treatment equipment comprising: a treatment solution bath capable of accommodating a treatment solution including a metallic ion for implementing liquid treatment of a substrate; a treatment solution circulating system, connected to the treatment solution bath, that circulates the accommodated treatment solution between the treatment solution bath and an outside of the treatment solution bath; a product removal unit, disposed in the treatment solution circulating system, that includes an electric absorbing unit to absorb a reaction product due to the liquid treatment contained in the circulated treatment solution and a heating unit to heat the circulated treatment solution, and wherein the product removal unit removes the reaction product except the metallic ion; and an additive agent supplier, connected to the treatment solution circulating system, that supplies in the circulated treatment solution an organic component additive agent and/or a sulfur component additive agent.