SLOT DIE APPARATUS

Disclosed herein relates to a slot die device for coating an injected slurry by discharging, including: a die block including a first die having a protruding die lip and a second die coupled to the first die; and a shim assembly interposed between the first die and the second die, and comprising a discharge outlet through which the slurry is discharged, wherein the shim assembly includes: a coupling part coupled to the second die; and a shim part protruding from one side of the coupling part in a shape that is open at the one side, wherein the shim assembly forms the discharge outlet into an open portion of the shim part located between the first die and the coupling part.