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公开(公告)号：US12103036B2
公开(公告)日：2024-10-01
申请号：US17922723
申请日：2021-08-20
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Shin-Wook Jeon , Sang-Hoon Choy , Jin-Ho Cho
IPC: B05C5/02
CPC classification number: B05C5/0262
Abstract: There is provided a multi-slot die coater that is easy to adjust a coating gap and can achieve widthwise deviation control of the coating gap. According to the present disclosure, a step is formed between rear surfaces of die blocks through a fixing block including a step adjustment block. The step adjustment block has a preset thickness, and the step adjustment block is mounted between any one die block and a flat plate-shaped block, and the other die block is coupled to the flat plate-shaped block, and thus the step is naturally formed between the rear surfaces of the die blocks by the coupling of the die blocks to the fixing block including the step adjustment block.
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公开(公告)号：US20230219112A1
公开(公告)日：2023-07-13
申请号：US18008594
申请日：2021-10-07
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Shin-Wook Jeon , Sang-Hoon Choy , Man-Hyeong Kim , Young-Gon Kim , Young-Joon Jo , Jin-Ho Cho
CPC classification number: B05C5/0262 , H01M10/0404
Abstract: Disclosed is a dual slot die coater capable of discharging a coating solution through an outlet after removing air bubbles contained in the coating solution. The dual slot die coater according to the present disclosure includes a first air vent installed in the first manifold region and an uppersecond air vent installed in the second manifold region.
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Patent Agency Ranking
公开(公告)号：US20230080280A1
公开(公告)日：2023-03-16
申请号：US17801074
申请日：2021-07-30
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Min-Kyu Kang , Young-Gon Kim , Shin-Wook Jeon , Young-Joon Jo , Jin-Ho Cho , Sang-Hoon Choy
Abstract: A multi-slot die coater has improved a deviation in a width direction of a slot gap caused by a structural feature including a thin die block. The multi-slot die coater including a lower slot and an upper slot includes a lower die block; an intermediate die block disposed on the lower die block to form the lower slot therebetween; and an upper die block disposed on the intermediate die block to form the upper slot therebetween, wherein the intermediate die block comprises a manifold that accommodates a coating solution, and is communicatively connected to the upper slot, and wherein a shortest distance from distances from any points on a bottom surface of the manifold to any points on the second surface is equal to or greater than 10 mm.
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公开(公告)号：US20230201861A1
公开(公告)日：2023-06-29
申请号：US17926801
申请日：2021-10-12
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Shin-Wook Jeon , Young-Joon Jo , Jin-Ho Cho , Sang-Hoon Choy
CPC classification number: B05C5/0254 , H01M10/0404
Abstract: Provided is a slot die coater with a uniform flow of coating solution without stagnation. The slot die coater includes at least two die blocks; a shim plate provided between the two die blocks to form a slot; and a manifold provided in the die block and communicatively connected with the slot as a chamber in the shape of indention accommodating a coating solution, wherein the coating solution is discharged and applied to a surface of a continuously traveling substrate through a discharge port communicatively connected with the slot, and a ratio B/S of a manifold length B (mm) to a manifold cross-sectional area S (cm2) in a cross section along a traveling direction of the substrate is in a range of 1.9 to 9.8.
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公开(公告)号：US20230166287A1
公开(公告)日：2023-06-01
申请号：US17922723
申请日：2021-08-20
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Shin-Wook Jeon , Sang-Hoon Choy , Jin-Ho Cho
IPC: B05C5/02
CPC classification number: B05C5/0262
Abstract: There is provided a multi-slot die coater that is easy to adjust a coating gap and can achieve widthwise deviation control of the coating gap. According to the present disclosure, a step is formed between rear surfaces of die blocks through a fixing block including a step adjustment block. The step adjustment block has a preset thickness, and the step adjustment block is mounted between any one die block and a flat plate-shaped block, and the other die block is coupled to the flat plate-shaped block, and thus the step is naturally formed between the rear surfaces of the die blocks by the coupling of the die blocks to the fixing block including the step adjustment block.
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公开(公告)号：US20230127571A1
公开(公告)日：2023-04-27
申请号：US17911280
申请日：2021-09-17
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Young-Gon Kim , Young-Joon Jo , Shin-Wook Jeon , Jin-Ho Cho , Sang-Hoon Choy
Abstract: A dual slot die coater including a lower plate, an intermediate plate positioned on the lower plate and an upper plate positioned on the intermediate plate, a lower slot being formed between the lower plate and the intermediate plate, and an upper slot being formed between the intermediate plate and the upper plate. The lower plate, the intermediate plate and the upper plate have a lower die lip, an intermediate die lip and an upper die lip, each forming an front end with respect to the current collector, respectively, and a distance between the current collector and the lower die lip is larger than a distance between the current collector and the upper die lip and a distance between the current collector and the intermediate die lip.
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公开(公告)号：US20230140800A1
公开(公告)日：2023-05-04
申请号：US17918261
申请日：2021-10-27
Applicant: LG Energy Solution, Ltd.
Inventor： Taek-Soo Lee , Shin-Wook Jeon , Jin-Ho Cho , Sang-Hoon Choy
Abstract: Provided is a slot die coater capable of uniformly forming a coating boundary formed in a machine direction (MD). The slot die coater includes at least two die blocks; a shim plate provided between the two die blocks to form a slot; and a manifold provided in the die block and configured to accommodate a coating solution, wherein the coating solution is discharged and applied to a substrate through a discharge port communicatively connected with the slot an end of the shim plate is moved backward relative to a die lip which is a front end of the die block so as to be offset relative to the die lip.
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