Title:
SLOT DIE COATER HAVING IMPROVED COATING SOLUTION FLOW
Document Type and Number:
WIPO Patent Application WO/2022/114510
Kind Code:
A1
Abstract:
A slot die coater having a uniform coating solution flow without stagnation is provided. The slot die coater of the present invention comprises: at least two die blocks; a shim plate provided between the two die blocks to form a slot; and a manifold, which is provided in the die block, is a recessed chamber for accommodating a coating solution and allows communication with the slot, and thus discharges, through a discharge port communicating with the slot, the coating solution and applies same to the surface of a base material that is continuously traveling, wherein the ratio (B/S) of a manifold length (B, mm) and a manifold cross sectional area (S, cm2) on a cross section in the traveling direction of the base material has a range of 1.9-9.8.
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Inventors:
LEE TAEK-SOO (KR)
JEON SHIN-WOOK (KR)
JO YOUNG-JOON (KR)
CHO JIN-HO (KR)
CHOY SANG-HOON (KR)
JEON SHIN-WOOK (KR)
JO YOUNG-JOON (KR)
CHO JIN-HO (KR)
CHOY SANG-HOON (KR)
Application Number:
PCT/KR2021/014047
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:
| KR20190019827A | 2019-02-27 | |||
| US20030140849A1 | 2003-07-31 | |||
| KR20200037662A | 2020-04-09 | |||
| JP2001224998A | 2001-08-21 | |||
| JP2010005616A | 2010-01-14 | |||
| KR20200159175A | 2020-11-24 |
Other References:
See also references of EP 4169623A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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