Apparatus for wet processing of a planar workpiece, device for a cell of the apparatus and method of operating the apparatus

Abstract

A device for a cell of an apparatus for wet processing of a planar workpiece, comprises a structure comprising first and second walls. The workpiece is movable in a central plane through a space between the first and second walls in a first direction (y). Apertures for introducing pressurised liquid between the first and second walls are on opposite sides of the central plane and facing the central plane. The apertures are distributed in the first direction (y) and in a second direction (x) transverse to the first direction (y). Discharge openings for the liquid to leave the space are on opposite sides, in the second direction (x), along the space in the first direction (y). The first and second walls form barriers to liquid flow from the space in a direction (z) perpendicular to the central plane. Channels through the walls are arranged to conduct liquid to respective one of the apertures.

Dependencies are inferred from the claim text.