MASK ASSEMBLY, METHOD OF REPAIRING THE SAME

A mask assembly includes an open mask provided with an opening and disposed on a frame, a unit mask disposed on the open mask, the unit mask including a deposition portion and welding portions, deposition openings are defined on the deposition portion to overlap the opening in a plan view, and the w...

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Bibliographische Detailangaben
Hauptverfasser:	SONG, Seungyong, KIM, Jeongkuk, MOON, Minho, HWANG, Kyu Hwan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A mask assembly includes an open mask provided with an opening and disposed on a frame, a unit mask disposed on the open mask, the unit mask including a deposition portion and welding portions, deposition openings are defined on the deposition portion to overlap the opening in a plan view, and the welding portions each protrude from the deposition portion in a protrusion direction away from the deposition portion, welding protrusions respectively disposed on the welding portions, and at least one residual structure including a residual welding portion separated from the unit mask and a residual welding protrusion disposed on the residual welding portion. The at least one residual structure is disposed between the welding portions.