Title:
COATING THICKNESS MEASURING DEVICE AND COATING DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/211125
Kind Code:
A1
Abstract:
A coating thickness measuring device according to an aspect of the present invention pertains to a coating thickness measuring device configured to measure the thickness of a coating material applied to a substrate supplied in a state of being wound on a coating roll, and the coating thickness measuring device comprises a coating thickness measuring module comprising: a light application part for applying light to the surface of coating material applied to a wound portion of the substrate around the coating roll, a light acquisition part for acquiring light reflected from the surface of the coating material, and a processor for calculating the thickness of the coating material on the basis of the acquired light.
Inventors:
LEE DO-HYUN (KR)
LEE SEUNG-HEON (KR)
LEE SEUNG-HEON (KR)
Application Number:
PCT/KR2023/005631
Publication Date:
November 02, 2023
Filing Date:
April 25, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G01B11/06; G01B21/04; H01M4/04
Foreign References:
| KR101185003B1 | 2012-10-02 | |||
| JP2012216375A | 2012-11-08 | |||
| KR101810025B1 | 2017-12-18 | |||
| KR101200075B1 | 2012-11-12 | |||
| JP2004012293A | 2004-01-15 | |||
| KR20130090342A | 2013-08-13 | |||
| JPH11276959A | 1999-10-12 | |||
| KR20220053733A | 2022-05-02 | |||
| KR20230050350A | 2023-04-14 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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