公开(公告)号：US09050797B2

公开(公告)日：2015-06-09

申请号：US14540999

申请日：2014-11-13

申请人： MEMJET TECHNOLOGY LTD.

发明人： Angus John North ,  Samuel George Mallinson ,  Jennifer Mia Fishburn

IPC分类号： B41J2/14 ,  B41J2/16

CPC分类号： B41J2/14088 ,  B41J2/14016 ,  B41J2/14032 ,  B41J2/1404 ,  B41J2/14129 ,  B41J2002/14169 ,  B41J2002/14475 ,  B41J2202/07 ,  B41J2202/18

摘要： An inkjet nozzle device configured for venting a gas bubble during droplet ejection. The inkjet nozzle device includes: a firing chamber for containing ink, the firing chamber having a floor and a roof defining an elongate nozzle aperture having a perimeter; and an elongate heater element bonded to the floor of the firing chamber, the heater element and nozzle aperture having aligned longitudinal axes. The device is configured to satisfy the relationships A=swept volume/area of heater element=8 to 14 microns; and B=firing chamber volume/swept volume=2 to 6. The swept volume is defined as the volume of a shape defined by a projection from the perimeter of the nozzle aperture to the floor of the firing chamber, and includes a volume contained within the nozzle aperture.

摘要翻译： 喷墨喷嘴装置，其构造成用于在液滴喷射期间排出气泡。 喷墨喷嘴装置包括：用于容纳墨水的喷射室，所述喷射室具有地板和限定具有周长的细长喷嘴孔的屋顶; 以及结合到燃烧室的地板上的细长的加热器元件，加热器元件和喷嘴孔具有对准的纵向轴线。 该装置配置为满足A =扫描体积/加热器元件面积= 8至14微米的关系; 并且B =燃烧室体积/扫掠体积= 2至6.扫掠体积被定义为由从喷嘴孔的周边到燃烧室的地面的突起限定的形状的体积，并且包括在 喷嘴孔。

公开(公告)号：US20150035907A1

公开(公告)日：2015-02-05

申请号：US14497731

申请日：2014-09-26

申请人： Memjet Technology Ltd.

发明人： Angus John North

IPC分类号： B41J2/14

CPC分类号： B41J2/14088 ,  B41J2/14032 ,  B41J2/1404 ,  B41J2/1433

摘要： An inkjet nozzle device for symmetrically constrained bubble formation includes: a firing chamber having and an end wall, opposite sidewalls and a nozzle aperture defined in a roof thereof; a baffle plate positioned between the sidewalls of the firing chamber, such that a pair of firing chamber entrances are defined between side edges of the baffle plate and the sidewalls; and an elongate heating element bonded to a floor of the firing chamber, the heater element extending longitudinally between the baffle plate and the end wall. The baffle plate is wider than the heater element. Further, a centroid of the heater element coincides with a midpoint between the baffle plate and the end wall.

摘要翻译： 用于对称约束的气泡形成的喷墨喷嘴装置包括：具有和端壁的燃烧室，相对的侧壁和限定在其顶部的喷嘴孔; 定位在所述燃烧室的侧壁之间的挡板，使得在所述挡板的侧边缘和所述侧壁之间限定一对燃烧室入口; 以及细长加热元件，其结合到所述燃烧室的地板上，所述加热器元件在所述挡板和所述端壁之间纵向延伸。 挡板比加热元件宽。 此外，加热器元件的重心与挡板和端壁之间的中点重合。

公开(公告)号：US20150022591A1

公开(公告)日：2015-01-22

申请号：US14503835

申请日：2014-10-01

申请人： CANON KABUSHIKI KAISHA

发明人： Kazuhiro Yamada

IPC分类号： B41J2/14

CPC分类号： B41J2/14427 ,  B41J2/1404 ,  B41J2/1408 ,  B41J2/14088 ,  B41J2/155 ,  B41J2002/14459

摘要： A liquid ejection head includes a plurality of recording element substrates that each include an energy generating element generating energy utilized for ejecting a liquid and that each have a supply port through which the liquid is supplied to the energy generating element, a plurality of support members that each have a flow passage communicating with a corresponding one of the supply ports and that each support a corresponding one of the plurality of recording element substrates, a base substrate that supports the plurality of support members, and a heat insulating member disposed between the flow passages and the base substrate. In the liquid ejection head, a thermal conductivity of the support members is equal to or greater than a thermal conductivity of the recording element substrates, and a thermal conductivity of the heat insulating member is less than a thermal conductivity of the base substrate.

摘要翻译： 液体喷射头包括多个记录元件基板，每个记录元件基板包括产生用于喷射液体的能量的能量产生元件，并且每个记录元件基板具有供应端口，液体通过该供给端口供应到能量产生元件;多个支撑元件， 每个具有与相应的一个供给口连通的流路，并且每个支撑多个记录元件基板中的相应一个记录元件基板，支撑多个支撑元件的基底基板和设置在流路之间的绝热元件 和基底。 在液体喷射头中，支撑构件的热导率等于或大于记录元件基板的热导率，并且隔热构件的导热率小于基底基板的热导率。

公开(公告)号：US08919928B2

公开(公告)日：2014-12-30

申请号：US13977675

申请日：2012-01-31

申请人： Lawrence H. White ,  Peter Mardilovich ,  Erik D. Torniainen ,  James A. Feinn ,  Thomas R. Strand ,  Tony S. Cruz-Uribe

发明人： Lawrence H. White ,  Peter Mardilovich ,  Erik D. Torniainen ,  James A. Feinn ,  Thomas R. Strand ,  Tony S. Cruz-Uribe

IPC分类号： B41J2/14

CPC分类号： B41J2/14088 ,  B41J2/14 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2202/11

摘要： A fluid ejection device includes a firing chamber having an ejection orifice opposite a chamber floor, a heating element and a mesa projecting from the chamber floor, the mesa is spaced from the heating element to define a passive zone between the mesa and heating element.

摘要翻译： 流体喷射装置包括具有与腔室底板相对的喷射孔的喷射室，加热元件和从室底板突出的台面，台面与加热元件间隔开以限定台面和加热元件之间的被动区域。

公开(公告)号：US08876260B2

公开(公告)日：2014-11-04

申请号：US13949017

申请日：2013-07-23

申请人： Canon Kabushiki Kaisha

发明人： Kazuhiro Yamada

IPC分类号： B41J2/045 ,  B41J2/155 ,  B41J2/14

CPC分类号： B41J2/14427 ,  B41J2/1404 ,  B41J2/1408 ,  B41J2/14088 ,  B41J2/155 ,  B41J2002/14459

摘要： A liquid ejection head includes a plurality of recording element substrates that each include an energy generating element generating energy utilized for ejecting a liquid and that each have a supply port through which the liquid is supplied to the energy generating element, a plurality of support members that each have a flow passage communicating with a corresponding one of the supply ports and that each support a corresponding one of the plurality of recording element substrates, a base substrate that supports the plurality of support members, and a heat insulating member disposed between the flow passages and the base substrate. In the liquid ejection head, a thermal conductivity of the support members is equal to or greater than a thermal conductivity of the recording element substrates, and a thermal conductivity of the heat insulating member is less than a thermal conductivity of the base substrate.

摘要翻译： 液体喷射头包括多个记录元件基板，每个记录元件基板包括产生用于喷射液体的能量的能量产生元件，并且每个记录元件基板具有供应端口，液体通过该供给端口供应到能量产生元件;多个支撑元件， 每个具有与相应的一个供给口连通的流路，并且每个支撑多个记录元件基板中的相应一个记录元件基板，支撑多个支撑元件的基底基板和设置在流路之间的绝热元件 和基底。 在液体喷射头中，支撑构件的热导率等于或大于记录元件基板的热导率，并且隔热构件的导热率小于基底基板的热导率。

公开(公告)号：US20110304679A1

公开(公告)日：2011-12-15

申请号：US13216213

申请日：2011-08-23

申请人： Gregory John McAvoy ,  Kia Silverbrook

发明人： Gregory John McAvoy ,  Kia Silverbrook

IPC分类号： B41J2/17

CPC分类号： G03G15/104 ,  B41J2/055 ,  B41J2/14032 ,  B41J2/14088 ,  B41J2/14145 ,  B41J2/1601 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1639 ,  B41J2002/14475

摘要： An inkjet printhead includes: a nozzle plate having a plurality of nozzle apertures and ink supply conduits for supplying ink to the nozzle apertures. Each of the ink supply conduits has a conduit wall defined by part of the nozzle plate. Each of the conduit walls includes a plurality of pressure-dampening structures for dampening pressure fluctuations experienced at the nozzle apertures.

摘要翻译： 喷墨打印头包括：喷嘴板，其具有多个喷嘴孔和用于向喷嘴孔提供油墨的供墨管道。 每个供墨管道具有由喷嘴板的一部分限定的导管壁。 每个导管壁包括多个用于抑制在喷嘴孔处经历的压力波动的减压结构。

公开(公告)号：US06761435B1

公开(公告)日：2004-07-13

申请号：US10396657

申请日：2003-03-25

申请人： James H. Powers

发明人： James H. Powers

IPC分类号： B41J205

CPC分类号： B41J2/1404 ,  B41J2/14088 ,  B41J2002/14185 ,  B41J2002/14387

摘要： In an inkjet printhead, a substantially rectangular heater element has an aspect ratio greater than about 2.0. A bubble chamber surrounds a centrally disposed heater element with a plurality of walls. A nozzle plate has an orifice for projecting ink from the bubble chamber that axially extends through a thickness thereof. A center of the orifice originates a plumb line such that an offset distance exists from a center of the heater element in a range from about 6 to about 10 microns. An ink flow channel through one of the bubble chamber walls has a primary direction of ink flow substantially paralleling a length dimension of the heater element. The bubble chamber and ink flow channel may exist in the nozzle plate, a polymer barrier layer or a plurality of film layers that define a heater chip. More preferred aspect ratios include greater than about 2.5 and about 4.0.

摘要翻译： 在喷墨打印头中，基本为矩形的加热元件具有大于约2.0的纵横比。 气泡室围绕具有多个壁的居中设置的加热器元件。 喷嘴板具有用于从气泡室突出油墨的孔，其轴向延伸穿过其厚度。 孔口的中心产生铅垂线，使得从加热器元件的中心在约6至约10微米的范围内存在偏移距离。 通过气泡室壁之一的油墨流动通道具有基本上与加热器元件的长度尺寸平行的油墨流动的主要方向。 气泡室和墨流动通道可以存在于喷嘴板，聚合物阻挡层或限定加热器芯片的多个膜层中。 更优选的纵横比包括大于约2.5和约4.0。

公开(公告)号：US20030081033A1

公开(公告)日：2003-05-01

申请号：US10002751

申请日：2001-10-29

发明人： Matthew D. Giere ,  Satya Prakash ,  Michael J. Barbour

IPC分类号： B41J002/14

CPC分类号： B41J2/04541 ,  B41J2/04555 ,  B41J2/04563 ,  B41J2/0458 ,  B41J2/04591 ,  B41J2/14088 ,  B41J2/14153 ,  B41J2202/03

摘要： An apparatus includes a substrate and a resistive element attached to a region of the substrate and formed of a first material having a first temperature coefficient of resistivity. In addition, the apparatus includes a pair of traces coupled to the resistive element, attached to the substrate, and formed of a second material having a second temperature coefficient of resistivity with the first material selected so that the first temperature coefficient of resistivity exceeds the second temperature coefficient of resistivity. An apparatus includes a substrate and a resistive element disposed onto a first region of the substrate and formed of a first material having a first temperature coefficient of resistivity. In addition, the apparatus includes a pair of traces coupled to the resistive element and each formed of a first plurality of sections of a second material having a second temperature coefficient of resistivity and a second plurality of sections of a third material having a third temperature coefficient of resistivity.

摘要翻译： 一种装置包括基板和电阻元件，该电阻元件附接到基板的区域并由具有第一温度系数电阻率的第一材料形成。 另外，该装置包括耦合到该电阻元件的一对迹线，附着到该基板上，并且由第二材料形成，该第二材料具有第二温度系数的电阻率，该第一温度系数选择第一材料，使得该第一温度系数电阻率超过该第二温度系数 电阻温度系数。 一种设备包括衬底和设置在衬底的第一区域上并由具有第一温度系数电阻率的第一材料形成的电阻元件。 另外，该装置包括耦合到电阻元件的一对迹线，并且每一个由具有第二温度系数电阻率的第二材料的第一多个部分形成，并且具有第三材料的第二多个部分具有第三温度系数 的电阻率。

公开(公告)号：US06412919B1

公开(公告)日：2002-07-02

申请号：US09655219

申请日：2000-09-05

申请人： Adam L. Ghozeil ,  Michael J. Barbour

发明人： Adam L. Ghozeil ,  Michael J. Barbour

IPC分类号： B41J205

CPC分类号： B41J2/14016 ,  B41J2/14088

摘要： The functions of an ink-jet print head drive transistor and ink-ejecting heat transducer (resistor) are combined into a single component, a high-temperature transistor. The transistor is turned on when an ink drop is required, and the resultant heat generated by the transistor is used for creating the vapor bubble for ejecting the ink drop. The drop-ejector transistor is a silicon carbide transistor.

摘要翻译： 喷墨打印头驱动晶体管和喷墨热传感器（电阻器）的功能被组合成单个部件，即高温晶体管。 当需要墨滴时晶体管导通，并且由晶体管产生的所产生的热量用于产生用于喷射墨滴的蒸气泡。 滴落式晶体管是碳化硅晶体管。

公开(公告)号：US12023923B2

公开(公告)日：2024-07-02

申请号：US17632031

申请日：2020-12-09

申请人： Korea Institute of Machinery & Materials

发明人： Shin Hur ,  Duck Gyu Lee ,  Bo-Yeon Lee

IPC分类号： B41J2/14 ,  B41J2/04

CPC分类号： B41J2/14008 ,  B41J2/14088 ,  B41J2/14201 ,  B41J2/04

摘要： In a droplet ejection apparatus and a droplet ejection method using the droplet ejection apparatus, the droplet ejection apparatus includes a liquid supply unit, a nozzle and a standing wave generating unit. The liquid supply unit is configured to provide a pressure to a liquid. The nozzle is connected to the liquid supply unit through a connecting conduit, to eject the liquid with a droplet. The standing wave generating unit is configured to generate a standing wave around the nozzle at which the droplet is formed, to detach the droplet from the nozzle.