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公开(公告)号：EP4197792B1
公开(公告)日：2024-07-31
申请号：EP22214394.3
申请日：2022-12-16
IPC分类号： B41J2/14
CPC分类号： B41J2/14233 , B41J2/14274
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公开(公告)号：EP4389426A1
公开(公告)日：2024-06-26
申请号：EP22216291.9
申请日：2022-12-23
发明人： VERZIJL, Klaas
CPC分类号： B41J2202/2020130101 , B41J2202/1920130101 , B41J25/34 , B41J2202/1420130101 , B41J2/14233 , B41J2002/1424120130101 , B41J2002/1449120130101
摘要： The present invention provides a simple method for aligning droplet jetting devices when mounting these in a printer without the need for subsequent positional adjustment. The method comprising the steps of:
- Providing a carrier (80) comprising a first planar mounting surface (82);
- Providing a droplet jetting device (10) on the carrier (80) aligned with respect to the first planar mounting surface (82);
- Providing on the first mounting surface (82) a plurality of mounting spheres (72) of a predetermined diameter, wherein each mounting sphere (72) is inserted into a circular holder (74), and wherein the holders (74) are adhered to the first mounting surface (82), such that the mounting spheres (72) are in direct contact with the first mounting surface (82).-
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公开(公告)号：EP4371775A1
公开(公告)日：2024-05-22
申请号：EP23210616.1
申请日：2023-11-17
发明人： TAKABE, Motoki , HIRAI, Eiju , MORI, Masaki
CPC分类号： B41J2002/1449120130101 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2002/1424120130101 , B41J2/14274
摘要： A liquid ejecting head (510) includes: a piezoelectric element (300) that includes a first drive electrode (60), a piezoelectric body (70), and a second drive electrode (80) in a lamination direction; a vibration plate (50) that is provided on one side of the lamination direction with respect to the piezoelectric element and is deformed by driving of the piezoelectric element; a pressure chamber substrate (10) that is provided on the one side of the lamination direction with respect to the vibration plate and is provided with a plurality of pressure chambers (12); an interlayer (215) that is laminated on at least one of the piezoelectric body, the vibration plate, or the pressure chamber substrate and of which capacitance changes according to humidity; a first detection electrode (211) that is in contact with the interlayer; and a second detection electrode (212) that is in contact with the interlayer and is disposed to be separated from the first detection electrode.
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公开(公告)号：EP4364953A1
公开(公告)日：2024-05-08
申请号：EP23207858.4
申请日：2023-11-06
发明人： SHIOZAWA, Yu , TAKABE, Motoki , TAKAAI, Hitoshi
IPC分类号： B41J2/14
摘要： A liquid ejecting head includes: a nozzle; a piezoelectric material configured to be driven by a voltage applied to the piezoelectric material; an upper electrode located over the piezoelectric material and electrically coupled to the piezoelectric material; a lower electrode located under the piezoelectric material and electrically coupled to the piezoelectric material; upper-electrode wiring located over the upper electrode and configured to electrically couple the upper electrode to an external power supply; lower-electrode wiring configured to electrically couple the lower electrode to the external power supply; a vibration plate located under the lower electrode and configured to vibrate when the piezoelectric material is driven; and a pressure chamber substrate having a pressure chamber in which vibration of the vibration plate applies pressure to liquid to eject liquid through the nozzle and a first absorption chamber configured to absorb vibration of liquid propagated from the pressure chamber, and the upper electrode and the upper-electrode wiring are present over the first absorption chamber.
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公开(公告)号：EP2998121B1
公开(公告)日：2018-11-21
申请号：EP15002422.2
申请日：2015-08-14
CPC分类号： B41J2/14201 , B41J2/04525 , B41J2/04581 , B41J2/14233 , B41J2002/14419 , B41J2002/14459 , B41J2202/11 , B41J2202/20
摘要： A liquid discharge apparatus including a liquid discharge head having a substrate, plural pressure chambers two-dimensionally provided on one surface of the substrate, a discharge port, a pressure generating unit to discharge liquid through the discharge port and a flow path connected to the pressure chamber which are provided correspondingly to each pressure chamber, a common liquid chamber provided on the other surface of the substrate, and plural supply paths provided between adjacent pressure chambers and connected to the common liquid chamber; a moving unit to relatively move the liquid discharge head and a recording object; and a driving unit to drive the pressure generating unit. Flow paths respectively corresponding to the pressure chambers adjacent to the supply paths are connected to the supply paths. The driving unit outputs drive signals to the pressure generating units respectively corresponding to the pressure chambers connected to the supply paths at different timings.
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公开(公告)号：EP3382766A1
公开(公告)日：2018-10-03
申请号：EP18163254.8
申请日：2018-03-22
IPC分类号： H01L41/187 , H01L41/08 , H01L41/318 , B41J2/14
CPC分类号： H01L41/1132 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1632 , B41J2/1634 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14241 , B41J2002/14419 , B41J2202/03 , H01L41/0471 , H01L41/0805 , H01L41/0973 , H01L41/1873 , H01L41/1878 , H01L41/27 , H01L41/318
摘要： A piezoelectric element (300) includes a second electrode (80) on a piezoelectric layer (70), which is a layered structure of a plurality of films (74) each containing potassium, sodium, and niobium, formed on a first electrode (60) on a substrate (10). A sodium concentration profile of the piezoelectric layer has a local maximum value in a first piezoelectric film in the vicinity of the first electrode, a gradient decreasing from the local maximum value toward the second electrode, and a local minimum value near an interface between the first piezoelectric film and a second piezoelectric film formed immediately above the first piezoelectric film.
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公开(公告)号：EP3381690A1
公开(公告)日：2018-10-03
申请号：EP17187830.9
申请日：2017-08-24
CPC分类号： B41J2/14 , B05B1/02 , B41J2/055 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2002/14346 , B41J2002/14403 , B41J2002/14419
摘要： Ejection device (150) for fluid (6), comprising a solid body including: first semiconductor body (80, 100) including a chamber (130) for containing the fluid (6), an ejection nozzle (121) in fluid connection with the chamber (130), and an actuator (91) operatively connected to the chamber (130) to generate, in use, one or more pressure waves in the fluid (6) such as to cause ejection of the fluid (6) from the ejection nozzle (121); and a second semiconductor body (30) including a channel (123, 41, 48a) for feeding the fluid (6) to the chamber (130), coupled to the first semiconductor body (80, 100), in such a way that the channel (123, 41, 48a) is in fluid connection with the chamber (130). The second semiconductor body (30) integrates a damping cavity (40) over which extends a damping membrane (35), the damping cavity and the damping membrane extending laterally to the channel (48a) for feeding the fluid.
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公开(公告)号：EP3213923B1
公开(公告)日：2018-09-26
申请号：EP17158980.7
申请日：2017-03-02
CPC分类号： B41J2/14233 , B41J2/161 , B41J2002/14241 , H01L41/04 , H01L41/083
摘要： A piezoelectric device includes a piezoelectric layer, a first moisture resistant layer, and a second moisture resistant layer stacked in this order. The first moisture resistant layer has a flexibility higher than that of the second moisture resistant layer, and the second moisture resistant layer has a moisture permeability lower than that of the first moisture resistant layer.
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公开(公告)号：EP3369574A1
公开(公告)日：2018-09-05
申请号：EP18153277.1
申请日：2018-01-24
申请人： Ricoh Company Ltd.
发明人： NISHIMURA, Hiroshi
CPC分类号： B41J25/001 , B41J2/14233 , B41J2/1433 , B41J2002/14419 , B41J2002/14467 , B41J2202/12
摘要： A carriage assembly for a printer that reciprocates along scan directions. The carriage assembly includes at least one printhead having a row of jetting channels for ejecting a print fluid, and reservoirs mounted on the carriage assembly that each supply the print fluid to the printhead. At least one of reservoirs is mounted on the carriage assembly to be offset from the row of jetting channels.
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