Patent ID: 11957038
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 10:
11. A deposition apparatus comprising:
a chamber;
a mask arranged inside the chamber;
a base substrate arranged on the mask, and comprising a first area and a second area surrounding at least a portion of the first area; and
a deposition source which provides a deposition material to the base substrate,
wherein the mask comprises:
a body unit including a deposition area in which a deposition opening exposing the second area is defined; and
protrusion units which only protrudes from corners of the deposition area of the body unit, respectively, so that adjacent protrusion units of the protrusion units are spaced apart from each other and directly face to each other, and cover a remaining portion of the first area,
wherein the first area is adjacent to a corner of the corners,
pattern openings exposing a portion of the first area are defined in each of the protrusion units, and
a thickness of the body unit is greater than a thickness of a protrusion unit of the protrusion units.