SLOT DIE DEVICE

Disclosed herein relates to a slot die device that simultaneously discharges main slurry and sub-slurry, including: a die part comprising a first die comprising a manifold to which a main slurry is supplied and a second die coupled to the first die; and a shim part interposed between the first die and second die, forming a gap between the first die and second die through which slurry is discharged, wherein the shim part includes: a main shim plate guiding a movement of the main slurry; and at least one sub-shim plate guiding a movement of the sub-slurry, wherein the sub-shim plate is provided to cover a portion of the manifold.