SLOT DIE COATER

Provided is a slot die coater including: at least two die blocks; a shim plate provided between the two die blocks to form a slot; and a manifold provided in the die block and configured to accommodate a coating solution, wherein the slot die coater is configured to discharge and apply the coating solution to a substrate through a discharge port communicatively connected with the slot, a die lip which is a front end of the die block and an end of the shim plate are aligned with each other, the shim plate includes an open portion by cutting at least one region thereof from the end of the shim plate such that a coating width of a coating layer applied on the substrate is determined, and a part of a corner among corners of the shim plate defining the open portion from which the coating solution is discharged is chamfered, and when a thickness of the coating solution applied on the substrate is A, the chamfered part has a shape cut by a depth equal to or greater than A to inside of the corner in a region away inward by A from the end of the shim plate.