Title:
SLOT DIE COATER HAVING IMPROVED COATING FLUID FLOW
Document Type and Number:
WIPO Patent Application WO/2022/114511
Kind Code:
A1
Abstract:
Provided is a slot die coater having uniform coating fluid flow without stagnation. The slot die coater of the present invention comprises: at least two die blocks; a shim plate provided between the two die blocks and forming a slot; and a manifold which is provided in the die blocks and communicates with the slot, and which is in the form of a recessed chamber for accommodating a coating fluid, wherein the slot die coater discharges the coating fluid onto a substrate through a discharge port communicating with the slot, thereby coating the substrate with the coating fluid. The area of the die blocks, from the front end of the manifold to a die lip which is the front end portion of the die blocks, is a land, and the ratio (A/B) of the length (A) of the land to the length (B) of the manifold is in the range of 0.5 to 3.55.
Inventors:
LEE TAEK-SOO (KR)
KIM YOUNG-GON (KR)
JEON SHIN-WOOK (KR)
JO YOUNG-JOON (KR)
CHOY SANG-HOON (KR)
KIM YOUNG-GON (KR)
JEON SHIN-WOOK (KR)
JO YOUNG-JOON (KR)
CHOY SANG-HOON (KR)
Application Number:
PCT/KR2021/014050
Publication Date:
June 02, 2022
Filing Date:
October 12, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B05C5/02; B05C11/10; H01M4/04
Foreign References:
| US20030140849A1 | 2003-07-31 | |||
| KR20190019827A | 2019-02-27 | |||
| KR20200037662A | 2020-04-09 | |||
| US20060269673A1 | 2006-11-30 | |||
| JP2007090236A | 2007-04-12 | |||
| KR20200159174A | 2020-11-24 |
Other References:
See also references of EP 4147792A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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