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公开(公告)号：US11685161B2
公开(公告)日：2023-06-27
申请号：US16920193
申请日：2020-07-02
Applicant: SEMES Co. Ltd.
Inventor： Donghwa Lee , Daigeon Yoon , Jaeyong Choi , Sanguk Son , Kihoon Choi , Daesung Kim
CPC classification number: B41J2/17513 , B41J2/17503 , B41J2/17553 , B41J2/17556 , B41J19/08
Abstract: An ink tank for a liquid chemical discharging apparatus configured to prevent equipment failure and improve durability by preventing scattering and backflow of a liquid chemical is described. The ink tank for a liquid chemical discharging apparatus includes: a liquid chemical receiving portion in which a liquid chemical is stored; a liquid chemical discharge port configured to supply the liquid chemical to an inkjet head; a pressure control port configured to control pressure of the liquid chemical receiving portion; and a partition wall provided in the liquid chemical receiving portion and configured to partition the liquid chemical receiving portion.
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公开(公告)号：US20240139699A1
公开(公告)日：2024-05-02
申请号：US18375177
申请日：2023-09-29
Applicant: SEMES CO., LTD.
Inventor： Donghwa Lee , Daigeon Yoon , Bongman Choi , Soohong Lee , Daesung Kim
IPC: B01J8/08
Abstract: The disclosure provides a chemical liquid supply apparatus including a chemical liquid storage tank storing a chemical liquid including a plurality of nanorods, a circulation pipe having both ends connected to the chemical liquid storage tank and including a first branch pipe and a second branch pipe, a classifier located at the second branch pipe and including a classification chip and a power supply, and a discharge pipe configured to discharge the chemical liquid to an outside of the circulation pipe, wherein the classification chip collects and releases nanorods of a certain size among the plurality of nanorods, the discharge pipe discharges the nanorods of the certain size to the outside before the nanorods of the certain size released by the classification chip are returned to the chemical liquid storage tank, and the power supply supplies an alternating current to the classification chip.
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公开(公告)号：US20240131852A1
公开(公告)日：2024-04-25
申请号：US18382388
申请日：2023-10-19
Applicant: SEMES CO., LTD.
Inventor： Donghwa Lee , Daigeon Yoon , Soohong Lee , Bongman Choi , Daesung Kim
IPC: B41J2/175
CPC classification number: B41J2/17566 , B41J2002/17579
Abstract: Provided is a chemical storage apparatus including a reservoir including a chemical tank configured to store a chemical, a first fixing member disposed on an upper surface of the chemical tank, and a second fixing member disposed on a lower surface of the chemical tank, a sensor configured to measure a specific parameter of the chemical stored in the reservoir, a receptacle having a space in which the sensor is accommodated, and coupling members for attaching or detaching the receptacle to or from the first fixing member and the second fixing member, respectively.
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公开(公告)号：US20240227409A9
公开(公告)日：2024-07-11
申请号：US18382388
申请日：2023-10-20
Applicant: SEMES CO., LTD.
Inventor： Donghwa Lee , Daigeon Yoon , Soohong Lee , Bongman Choi , Daesung Kim
IPC: B41J2/175
CPC classification number: B41J2/17566 , B41J2002/17579
Abstract: Provided is a chemical storage apparatus including a reservoir including a chemical tank configured to store a chemical, a first fixing member disposed on an upper surface of the chemical tank, and a second fixing member disposed on a lower surface of the chemical tank, a sensor configured to measure a specific parameter of the chemical stored in the reservoir, a receptacle having a space in which the sensor is accommodated, and coupling members for attaching or detaching the receptacle to or from the first fixing member and the second fixing member, respectively.
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