Patent ID: 8691016

Claim:
A deposition apparatus, comprising: a deposition mask that is used to form a thin film in a stripe pattern on a substrate by deposition, including a plate-like mask body, a and a plurality of openings arranged in line in the mask body, the plurality of openings including an improved opening in which an opening amount in a longitudinal direction perpendicular to a lateral direction varies depending on a position in the lateral direction, and the lateral direction is a direction parallel to a direction in which the plurality of openings are arranged, and the improved opening being formed so that the opening amount at an end in the lateral direction is larger than that in a central portion in the lateral direction; a deposition source that emits deposition particles forming the thin film; a mask unit that includes the deposition mask and the deposition source, and maintains a fixed relative positional relation between the deposition mask and the deposition source; a substrate support apparatus that supports the substrate; and a moving apparatus that relatively moves at least one of the mask unit and the substrate along a predetermined scanning direction with a constant gap being provided between the substrate and the deposition mask, wherein the deposition mask is placed so that the longitudinal direction is parallel to the scanning direction, and a distance of the constant gap is in a range of 50 μm to 1 mm.