APPARATUS FOR REMOVING RESIDUAL ETCHANT AND USE METHOD THEREOF

摘要

PURPOSE: An apparatus for removing residual etchant is provided to prevent uneven etching of the external side of glass by residue etchant sprayed from a nozzle and to avoid the accumulation of residue etchant in a supply tube or nozzle entrance. CONSTITUTION: An apparatus for removing residual etchant comprises: an upper supply pipe(3) for receiving etchant of constant pressure from the outside, which is arranged at the upper part of glass(1); a lower supply pipe(7) which is arranged at the lower part of glass and can receive the etchant of constant pressure from the outside; and a vertical supply tube(11) equipped with a nozzle(9) for spraying the etchant at the surrounding surface facing the glass.