公开(公告)号：US20240075740A1

公开(公告)日：2024-03-07

申请号：US18225668

申请日：2023-07-24

Applicant: SEMES CO., LTD.

Inventor： Jang Mi WOO ,  Jin Hyuck Yang ,  Yong Kyu Cho ,  Cheon Su Cho ,  Ki Hoon Choi

IPC: B41J2/14 ,  B41J2/045

CPC classification number: B41J2/1433 ,  B41J2/04563 ,  B41J2/04581 ,  B41J2/16579

Abstract: An inkjet head unit capable of performing high-resolution pixel printing on a large-size substrate and a substrate treatment apparatus including the inkjet head unit are provided. The substrate treatment apparatus includes: a processing unit supporting and moving a substrate; an inkjet head unit performing pixel printing on the substrate; and a gantry unit moving the inkjet head unit over the substrate, wherein the inkjet head unit includes head packs, which include a plurality of nozzles ejecting a substrate treatment liquid onto the substrate, and a head base, in which the head packs are installed and the head packs are disposed in a single row in the head base.