| CPC B05C 5/0262 (2013.01) [H01M 10/0404 (2013.01)] | 20 Claims |
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1. A dual slot die coater for extruding and applying a coating solution to a surface of a substrate, comprising:
die blocks comprising a first outer die block, an intermediate die block disposed adjacent to the first outer die block to form a first slot between the intermediate die block and the first outer die block, and a second outer die block disposed adjacent to the intermediate die block to form a second slot between the second outer die block and the intermediate die block;
a first manifold that accommodates a first coating solution as a recessed chamber provided in the first outer die block or the intermediate die block and communicates with the first slot, and a second manifold that accommodates a second coating solution as a recessed chamber provided in the intermediate die block or the second outer die block and communicates with the second slot; and
a first air vent in communication with the first manifold, and a second air vent in communication with the second manifold,
wherein the first outer die block, the intermediate die block, and the second outer die block respectively comprises a first outer die lip, an intermediate die lip, and a second outer die lip, which respectively forms the front end of each of the first outer die block, the intermediate die block, and the second outer die block, wherein a first outlet communicating with the first slot is formed between the first outer die lip and the intermediate die lip, and a second outlet communicating with the second slot is formed between the intermediate die lip and the second outer die lip, and
wherein the first air vent is installed adjacent to a front end of the first manifold without being installed at a first land portion that is a portion where the front end placed on the first outlet side and the first outlet are connected.
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