The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
Jun. 29, 2018
Korea University Research and Business Foundation, Seoul, KR;
Hyun Wook Jung, Seoul, KR;
Byoung Jin Chun, Seoul, KR;
Kwan Young Lee, Seoul, KR;
Jin Seok Park, Seoul, KR;
Gi Wook Lee, Suwon-si, KR;
Won Gi Ahn, Hwaseong-si, KR;
Korea University Research and Businss Foundation, Seoul, KR;
Abstract
A slot coating apparatus having an improved coating bead region is disclosed. An embodiment of the invention provides a slot coating apparatus configured to coat a coating liquid containing a high concentration of particles over a substrate, where the slot coating apparatus includes: a first slot die that is arranged at a downstream side of the coating liquid; a second slot die that is arranged at an upstream side of the coating liquid and is positioned facing the first slot die; a coating bead cover that extends from one side of the first slot die along a movement direction of the substrate; and a pressure adjustment device that is disposed at the second slot die side and is configured to form a pressure gradient between the downstream and the upstream.