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    LIQUID INJECTION DEVICE
    3.
    发明公开
    LIQUID INJECTION DEVICE 审中-实审

    公开(公告)号：EP4400216A1

    公开(公告)日：2024-07-17

    申请号：EP23167574.5

    申请日：2023-04-12

    申请人： Scientech Corporation

    发明人： FENG, Chuan-Chang

    IPC分类号： B05B1/00 ,  B05C5/00 ,  B05B15/00

    CPC分类号： B05B1/3026 ,  B05B15/531 ,  B05C5/0237 ,  B05C5/0229

    摘要： A liquid injection device includes a nozzle (10), a moving element (20) and a control valve (30). The nozzle (10) has a channel (11), a bypass passage (12) and a suck back passage (13). The channel (11) penetrates through the nozzle (10) for injecting a working fluid. The channel (11) has a liquid outlet (111). The bypass passage (12) has a first opening (121), a switch-on position (122) and a switch-off position (123). The suck back passage (13) has a second opening (131) between the first opening (121) and the liquid outlet (111). The first opening (121) and the second opening (131) communicate with the channel (11). The moving element (20) is disposed in the bypass passage (12). The control valve (30) is disposed on the nozzle (10) and controls the moving element (20) to switch between the switch-on position (122) and the switch-off position (123) to open or close the channel (11). A suck back pump (B) sucks the working fluid remaining between the first opening (121) and the liquid outlet (111) when the moving element (20) is located at the switch-off position (123).

    METHOD OF PATTERN FORMATION
    9.
    发明公开
    METHOD OF PATTERN FORMATION 审中-公开

    公开(公告)号：EP4209280A1

    公开(公告)日：2023-07-12

    申请号：EP21864052.2

    申请日：2021-08-05

    申请人： KONICA MINOLTA, INC.

    发明人： YAMAUCHI, Masayoshi

    IPC分类号： B05D1/26 ,  B05D3/00 ,  B05D7/24 ,  B05C5/00 ,  B41J2/01

    摘要： The present invention addresses the problem of providing a method of pattern formation by ink-jet printing, with which high-density printing with no streak or inconsistency is obtained, uniform insulating properties and conductive properties are obtained, and a print with high adhesion is obtained. The method of pattern formation of the present invention is a method of forming a pattern by ejecting ink droplets onto a substrate, which serves as a print medium from nozzles of an ink ejecting device, which has a plurality of nozzle holes arranged in a line, while moving multiple times perpendicularly to or in parallel with the column direction of the nozzles, the method being characterized in that a ratio η2/η1 of the ink is at least 100, where η1 is a viscosity at a temperature of ejected ink and η2 is a viscosity at a temperature of ink dropped onto the substrate, and, correspondingly to the gradation or density of pixels constituting the image data of the pattern, the volume of the ink used for forming a print of dots constituting the pattern formed on the substrate is controlled so as not to have certain periodicity with adjacent dots or uniformity over the print of the pattern.