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公开(公告)号:US20230364914A1
公开(公告)日:2023-11-16
申请号:US18307496
申请日:2023-04-26
Applicant: SEMES CO., LTD.
Inventor: Won-Yong JIN , Hosang Lee , Jiyun Ahn , Jae-Duck Lee , Suk-Won Jang
IPC: B41J2/165
CPC classification number: B41J2/16579 , B41J2/16532 , B41J2002/16582
Abstract: A maintenance assembly for an inkjet head may include a housing having an upper face facing a nozzle face on which nozzles for discharging a chemical liquid on a substrate are arranged, and an atmosphere generating part for providing an atmosphere including humidity around the nozzles and the nozzle face such that a humidity of the nozzles and a humidity of the nozzle face are adjusted to a set humidity if the humidity of the nozzles and the humidity of the nozzle face are different from the set humidity.
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公开(公告)号:US20230364912A1
公开(公告)日:2023-11-16
申请号:US18305801
申请日:2023-04-24
Applicant: SEMES CO.,LTD.
Inventor: Won-Yong JIN , Hosang LEE , Jiyun AHN , Suk-Won JANG , Jae-Duck LEE
CPC classification number: B41J2/16532 , B41J2/175
Abstract: A maintenance assembly for an inkjet head may include a housing having an upper face facing a nozzle face on which nozzles for discharging a chemical liquid on a substrate are arranged, and a fluid supplying part for providing a humidity control fluid onto the nozzles and the nozzle face such that a humidity of the nozzles and a humidity of the nozzle face are adjusted to a set humidity if the humidity of the nozzles and the humidity of the nozzle face are different from the set humidity.
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公开(公告)号:US20230349791A1
公开(公告)日:2023-11-02
申请号:US18141281
申请日:2023-04-28
Applicant: SEMES CO., LTD.
Inventor: Won-Yong JIN , Suk-Won JANG , Jae-Duck LEE , Hosang LEE
IPC: G01M13/00 , B05B15/555 , B41J2/165
CPC classification number: G01M13/00 , B05B15/555 , B41J2/16552 , B41P2235/26
Abstract: Provided are a head life evaluation apparatus and method capable of evaluating lifespans of nozzles by using a plurality of chambers having different environments, the head life evaluation apparatus including a head block including at least one first nozzle for ejecting a treatment liquid in an inkjet manner, and a chamber block detachably coupled to the head block and including at least one first chamber corresponding to the first nozzle to evaluate a lifespan of the first nozzle in a first environment.
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公开(公告)号:US20230347670A1
公开(公告)日:2023-11-02
申请号:US18303342
申请日:2023-04-19
Applicant: SEMES CO., LTD.
Inventor: Hosang LEE , Suk-Won JANG , Jae-Duck LEE , Won-Yong JIN
IPC: B41J29/377 , B41J2/045 , B41J29/02
CPC classification number: B41J29/377 , B41J2/04566 , B41J29/02
Abstract: An inkjet head management apparatus for managing a humidity of an inkjet head including nozzles for ejecting droplets in an inkjet manner includes a housing having an opening on at least one surface thereof, a closer for opening or closing the opening of the housing, and a dehumidifier disposed in the housing to provide a dehumidifying atmosphere toward the opening when the opening is opened.
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