Patent ID: 11891688
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C

Claim 13:
14. A deposition apparatus comprising:
a chamber accommodating a base substrate;
a deposition source spraying a deposition material to the base substrate; and
a mask comprising:
a first protruding portion including a first deposition hole,
a second protruding portion including a second deposition hole spaced apart from the first deposition hole,
a peripheral portion surrounding the first protruding portion and the second protruding portion, the peripheral portion comprising:
a first surface facing the deposition source, and
a second surface facing the first surface and contacting the base substrate, and

a coating layer, wherein

each of the first protruding portion and the second protruding portion comprises:
a lower surface,
an upper surface extending from the first surface of the peripheral portion, and
a side surface disposed between the upper surface and the lower surface and inclined at an angle with respect to the lower surface,

the second protruding portion comprises:
a protrusion protruded from the side surface of the second protruding portion, and
a groove formed by removing at least a portion of the second protruding portion; and

the coating layer covers at least one of the protrusion and the groove.