US 11,878,519 B2
Printing apparatus and printing method
Sang Hoon Park, Seoul (KR)
Assigned to SEMES CO., LTD., Cheonan-si (KR)
Filed by SEMES CO., LTD., Chungcheongnam-do (KR)
Filed on May 12, 2022, as Appl. No. 17/742,397.
Claims priority of application No. 10-2021-0084835 (KR), filed on Jun. 29, 2021.
Prior Publication US 2022/0266592 A1, Aug. 25, 2022
Int. Cl. B41J 2/045 (2006.01); B41J 11/00 (2006.01)
CPC B41J 2/04556 (2013.01) [B41J 11/0095 (2013.01); B41J 2203/01 (2020.08)] 15 Claims
OG exemplary drawing
1. A printing apparatus comprising:
a stage on which an object is positioned;
a printing unit provided above the stage and performing printing on the object; and
a control part configured to perform a correction for printing on at least one of the object, the stage, and the printing unit based on preset printing conditions,
wherein the printing unit includes a head frame provided above the stage, a detection sensor configured to detect a distance between the head frame and a part positioned thereunder, and a head part provided on the head frame to perform printing on the object,
the object is floated on the stage,
the stage includes a head part detection sensor configured to detect a distance to a stage-side head part, and
the head part includes an object-side head part positioned to face the object and the stage-side head part positioned to face the stage.