Disclosed are a spacer, a slot die, and a method of coating an electrode plate using a slot die. The spacer is configured to be interposed between the upper die and lower die of a slot die and configured to form a gap between the upper die and the lower di...

A double side coating device which can maintain a thickness of a coated film in constant has a first coating head (1) that coats a first surface of a web material (W) with a coating material (P), two or more vacuum conveyors (4) that are placed downstream ...