Method for treating a workpiece and apparatus for treating workpieces

Abstract

To provide a method for treating a workpiece, wherein the method comprises the following: introducing at least one workpiece into a treatment chamber; providing a bath of a liquid treatment agent in the treatment chamber; cyclically changing the pressure in the treatment chamber while the treatment agent is in the treatment chamber; in which an enhanced treatment effect is achieved on the workpiece, it is proposed that the method further comprises the following: carrying out at least one pressure change operation in the treatment chamber, during the course of which the pressure in the treatment chamber is decreased at least once and increased at least once while at least one treatment region of at least one workpiece is outside the bath of liquid treatment agent; and carrying out at least one pressure change operation in the treatment chamber, during the course of which the pressure in the treatment chamber is decreased at least once and increased at least once while the at least one treatment region of the at least one workpiece is within the bath of liquid treatment agent.

Dependencies are inferred from the claim text.