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21. 发明申请

US20040183864A1 Thermal ink jet printhead with rotatable heater element 有权
标题翻译：具有可旋转加热元件的热喷墨打印头
公开(公告)号：US20040183864A1
公开(公告)日：2004-09-23
申请号：US10773193
申请日：2004-02-09
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 suspended in each bubble forming chamber 7 to heat a bubble forming liquid 11 to a temperature above its boiling point to form a gas bubble 12 therein. The generation of the bubble 12 causes the ejection of a drop 16 of an ejectable liquid (such as ink) through an ejection aperture 5 in each nozzle 3, to effect printing. The heater element has a rotatable section configured such that the strain of thermal expansion is relieved by rotation of the rotatable section within the plane of the heater element. The heater elements are formed by depositing a thin strip of heater material, usually less than 1 micron thick. Repeated bending of the element can lead to oxidation and embrittlement, especially at small radius bends. This, in turn, leads to cracking and ultimately failure. Heater elements according to this invention are configured so that the thermal expansion is accommodated by the rotation of a section within the plane of lamination.
摘要翻译：公开了一种喷墨打印头，其包括分别对应于每个喷嘴的多个喷嘴3和气泡形成室7。悬挂在每个气泡形成室7中的至少一个加热元件10将气泡形成液体11加热至高于其沸点的温度，以在其中形成气泡12。气泡12的产生使得可喷射液体（例如墨水）的液滴16通过每个喷嘴3中的喷射孔5喷射以进行打印。加热器元件具有可旋转部分，其被配置为使得通过可旋转部分在加热器元件的平面内的旋转来减轻热膨胀应变。加热器元件通过沉积通常小于1微米厚的加热材料的薄带而形成。元件的重复弯曲会导致氧化和脆化，特别是在小半径弯曲处。反过来又会导致破裂并最终失败。根据本发明的加热元件被构造成使得通过层压平面内的部分的旋转来容纳热膨胀。

22. 发明申请

US20040160492A1 Thermal ink jet printhead with heater element that forms symmetrical bubbles 有权
标题翻译：具有形成对称气泡的加热元件的热喷墨打印头
公开(公告)号：US20040160492A1
公开(公告)日：2004-08-19
申请号：US10773200
申请日：2004-02-09
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 disposed in each bubble forming chamber 7 to heat a bubble forming liquid 11 to a temperature above its boiling point to form a gas bubble 12 therein. The generation of the bubble 12 causes the ejection of a drop 16 of an ejectable liquid (such as ink) through an ejection aperture 5 in each nozzle 3, to effect printing. The heater element 10 has a serpentine form configured to generate the gas bubble substantially symmetrically about an axis extending normal to the plane of the aperture. The gap between the electrodes in the side of the bubble forming chamber 7 create a discontinuity in the serpentine path of the heater element 10. This causes the bubble formation to be asymmetrical and skewed toward one side of the heater element. This in turn can influence the trajectory of the ejected drop. By configuring the heater element to compensate for the gap, the symmetry and position of the bubble within the chamber can be controlled. Greater control of bubble formation provides a more predictable trajectory of the ejected drop.
摘要翻译：公开了一种喷墨打印头，其包括分别对应于每个喷嘴的多个喷嘴3和气泡形成室7。设置在每个气泡形成室7中的至少一个加热器元件10将气泡形成液体11加热到高于其沸点的温度，以在其中形成气泡12。气泡12的产生使得可喷射液体（例如墨水）的液滴16通过每个喷嘴3中的喷射孔5喷射以进行打印。加热器元件10具有蛇形形状，其构造成围绕垂直于孔的平面延伸的轴线大致对称地产生气泡。气泡形成室7侧的电极之间的间隙在加热器元件10的蛇形路径中产生不连续性。这使得气泡形成不对称并朝着加热器元件的一侧倾斜。这又可以影响喷射液滴的轨迹。通过配置加热器元件以补偿间隙，可以控制腔室内气泡的对称性和位置。气泡形成的更好控制提供了更可预测的喷射液滴轨迹。

23. 发明申请

US20040160490A1 Thermal ink jet printhead with non-buckling heater element 有权
标题翻译：具有非弯曲加热元件的热喷墨打印头
公开(公告)号：US20040160490A1
公开(公告)日：2004-08-19
申请号：US10773194
申请日：2004-02-09
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 suspended in each bubble forming chamber 7 to heat a bubble forming liquid 11 to a temperature above its boiling point to form a gas bubble 12 therein. The generation of the bubble 12 causes the ejection of a drop 16 of an ejectable liquid (such as ink) through an ejection aperture 5 in each nozzle 3, to effect printing. The heater element is configured such that the strain of thermal expansion is not relieved by bending about its thinnest cross sectional dimension. The heater elements are formed by depositing a thin strip of heater material, usually less than 1 micron thick. The strip is typically more than 2 microns wide and therefore the bending resistance out of the plane of lamination is generally much weaker than the bending resistance in any lateral directions. Repeated bending of the element can lead to oxidation and embrittlement, especially at sharp corners. This, in turn, leads to cracking and ultimately failure. Heater elements according to this invention are configured so that the thermal expansion is accommodated within the plane of lamination and without buckling.
摘要翻译：公开了一种喷墨打印头，其包括分别对应于每个喷嘴的多个喷嘴3和气泡形成室7。悬挂在每个气泡形成室7中的至少一个加热元件10将气泡形成液体11加热至高于其沸点的温度，以在其中形成气泡12。气泡12的产生使得可喷射液体（例如墨水）的液滴16通过每个喷嘴3中的喷射孔5喷射以进行打印。加热器元件构造成使得通过围绕其最薄的横截面尺寸弯曲来解除热膨胀应变。加热器元件通过沉积通常小于1微米厚的加热材料的薄带而形成。条带通常大于2微米宽，因此层压平面外的抗弯曲性通常比任何横向上的抗弯曲性弱得多。元件的重复弯曲会导致氧化和脆化，特别是在尖锐的角落。反过来又会导致破裂并最终失败。根据本发明的加热元件被构造成使得热膨胀被容纳在层压平面内且没有弯曲。

24. 发明申请

US20040160488A1 Thermal ink jet printhead assembly with laminated structure for the alignment and funneling of ink 有权
标题翻译：具有用于油墨对准和漏斗的层压结构的热喷墨打印头组件
公开(公告)号：US20040160488A1
公开(公告)日：2004-08-19
申请号：US10773191
申请日：2004-02-09
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead assembly 80 which comprises a plurality of structures 81, 83, 85, 88, 90 laminated together, one of the structures being a printhead 81 with a plurality of nozzles and one or more heater elements in a bubble forming chamber corresponding to each nozzle. Each heater element is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling point to form a gas bubble therein. The generation of the bubble causes the ejection of a drop of an ejectable liquid (such as ink) through an ejection aperture in each nozzle, to effect printing. The remaining structures 83, 85, 88, 90 including a plurality of passages 89, 87, 86, 84, 94 for the ejectable liquid, the passages extending from the ejectable liquid inlets on the printhead to openings configured for connection an ejectable liquid supply. Adjacent structures within the laminated structure are laminated together so that the passages funnel the ejectable liquid to the ejectable liquid inlets of the printhead. Feeding the ink and compressed air from the relatively large supply openings, to a large number of very small inlets on the printhead chip can be difficult because of alignment problems. Breaking the overall reduction of the ink passage size into stages makes assembly of the printhead module is made easier. Aligning apertures of similar size is more practical.
摘要翻译：公开了一种喷墨打印头组件80，其包括层叠在一起的多个结构81,83,85,88,90，其中一个结构是具有多个喷嘴的打印头81和气泡形成中的一个或多个加热器元件对应于每个喷嘴。每个加热器元件构造成将打印头中的起泡液体加热至高于其沸点的温度，以在其中形成气泡。气泡的产生导致通过每个喷嘴中的喷射孔喷出一滴可喷射液体（例如墨水），以实现打印。剩余结构83,85,88,90包括用于可喷射液体的多个通道89,87,86,84,94，所述通道从打印头上的可喷射液体入口延伸到被配置为连接可喷射液体供应的开口。层压结构内的相邻结构层压在一起，使得通道将可喷射液体漏斗到打印头的可喷射的液体入口。由于对准问题，将油墨和压缩空气从相对较大的供应口进给到打印头芯片上的大量非常小的入口可能是困难的。将油墨通道尺寸的整体降低打破阶段，使打印头模块的组装变得更容易。相似尺寸的对准孔更实用。

25. 发明申请

US20040155933A1 Thermal ink jet printhead with bubble nucleation laterally offset from nozzle 失效
标题翻译：具有气泡成核的热喷墨打印头从喷嘴侧向偏移
公开(公告)号：US20040155933A1
公开(公告)日：2004-08-12
申请号：US10773187
申请日：2004-02-09
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 each defining a nozzle aperture 5 with a nozzle axis extending through the center of the nozzle aperture 5 and normal to the nozzle aperture. An ejectable liquid inlet 31 for establishing fluid communication between the nozzle aperture 5 and an ejectable liquid supply, the inlet having a central axis substantially parallel to the nozzle axis. A bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 disposed in each bubble forming chamber 7 to heat a bubble forming liquid 11 to a temperature above its boiling point to form a gas bubble 12 therein. The generation of the bubble 12 causes the ejection of a drop 16 of an ejectable liquid (such as ink) through an ejection aperture 5 in each nozzle 3, to effect printing. The heater element 10 is configured to nucleate the gas bubble at two or more regions such that each nucleation region is laterally offset from the nozzle aperture 5. Gas bubbles nucleate from opposing sides of the nozzle aperture and converge to form a single bubble. The bubble formed is symmetrical about at least one plane extending along the nozzle axis. This enhances the control of the symmetry and position of the bubble within the chamber so the ejected drop trajectory is more reliable.
摘要翻译：公开了一种喷墨打印头，其包括多个喷嘴3，每个喷嘴3限定喷嘴孔5，喷嘴轴线延伸穿过喷嘴孔5的中心并垂直于喷嘴孔。用于在喷嘴孔5和可喷射液体供应源之间建立流体连通的可喷射液体入口31，入口具有基本上平行于喷嘴轴线的中心轴线。分别对应于每个喷嘴的气泡形成室7。设置在每个气泡形成室7中的至少一个加热器元件10将气泡形成液体11加热到高于其沸点的温度，以在其中形成气泡12。气泡12的产生使得可喷射液体（例如墨水）的液滴16通过每个喷嘴3中的喷射孔5喷射以进行打印。加热器元件10构造成使两个或更多个区域处的气泡成核，使得每个成核区域从喷嘴孔5横向偏移。气泡从喷嘴孔的相对侧成核并且会聚以形成单个气泡。形成的气泡关于沿着喷嘴轴线延伸的至少一个平面是对称的。这增强了对室内气泡的对称性和位置的控制，使得喷射的液滴轨迹更可靠。

26. 发明申请

US20040125212A1 Camera for printing manipulated images 有权
标题翻译：相机用于打印操作图像
公开(公告)号：US20040125212A1
公开(公告)日：2004-07-01
申请号：US10729098
申请日：2003-12-08
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook , Paul Lapstun , Simon Robert Walmsley
IPC分类号： H04N005/225
CPC分类号： B41J2/17 , B41J2/14427 , B41J2/15 , B41J2/16585 , B41J2/17513 , B41J2/17596 , B41J11/0005 , B41J2002/041 , B41J2202/21 , B82Y30/00 , G06F21/79 , G06F21/86 , G06F2221/2129 , G06K1/12 , G06K1/121 , G06K7/14 , G06K7/1417 , G06K19/06037 , G11C11/56 , H04N1/0044 , H04N1/00965 , H04N1/2112 , H04N1/2154 , H04N1/32133 , H04N5/225 , H04N5/2628 , H04N2101/00 , H04N2201/3222 , H04N2201/3261 , H04N2201/3264 , H04N2201/3269 , H04N2201/3276 , H04N2201/328
摘要： The present invention relates to a handheld camera which includes a sensor adapted to sense an image, an input for receiving predetermined data representing a respective form of data manipulation and a processing system. The processing system is adapted to obtain the image from the sensor and manipulate the image in accordance with the predetermined data to thereby generate a manipulated image.
摘要翻译：本发明涉及一种手持相机，其包括适于感测图像的传感器，用于接收表示相应形式的数据操作的预定数据的输入和处理系统。处理系统适于从传感器获得图像并根据预定数据操纵图像，从而生成操纵图像。

27. 发明申请

US20040118808A1 Method of fabricating a micro-electromechanical device having a laminated actuator 失效
标题翻译：制造具有层压致动器的微机电装置的方法
公开(公告)号：US20040118808A1
公开(公告)日：2004-06-24
申请号：US10729081
申请日：2003-12-08
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： G11B005/127
CPC分类号： B41J2/14427 , B41J2/04505 , B41J2/04516 , B41J2/04518 , B41J2/0452 , B41J2/04528 , B41J2/04541 , B41J2/04543 , B41J2/04553 , B41J2/04563 , B41J2/04565 , B41J2/0457 , B41J2/04571 , B41J2/04585 , B41J2/04588 , B41J2/0459 , B41J2/04591 , B41J2/04593 , B41J2/04596 , B41J2/04598 , B41J2/155 , B41J2/1601 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1637 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2/1648 , B41J25/005 , B41J2002/14419 , B41J2002/14491
摘要： A method of fabricating a micro-electromechanical device includes the step of carrying out an integrated circuit fabrication process on a wafer to form control circuitry. Sacrificial material is deposited on the wafer. The sacrificial material is etched to form a deposition zone for a heater layer of a conductive material and contact regions for the heater layer to make electrical contact with the electrical power supply. The heater layer is deposited on the etched sacrificial material. The heater layer is etched so that the heater layer defines a heating circuit. A layer of a dielectric material is deposited on the heater layer. A bend compensator layer of the same material as the heater layer is deposited on the dielectric layer with substantially the same deposition characteristics as applied to the heater layer. The dielectric and bend compensator layers are etched to define the actuator arm. The sacrificial material is etched away.
摘要翻译：制造微机电装置的方法包括在晶片上执行集成电路制造工艺以形成控制电路的步骤。牺牲材料沉积在晶片上。牺牲材料被蚀刻以形成用于导电材料的加热器层的沉积区域和用于加热器层的接触区域以与电源电接触。加热器层沉积在蚀刻的牺牲材料上。蚀刻加热器层，使得加热器层限定加热电路。介电材料层沉积在加热器层上。具有与加热层相同的沉积特性的与加热器层相同材料的弯曲补偿层沉积在介电层上。蚀刻电介质和弯曲补偿层以限定致动器臂。牺牲材料被蚀刻掉。

28. 发明申请

US20040113997A1 Printhead assembly incorporating micromoldings 有权
标题翻译：打印头组合结合微型显示
公开(公告)号：US20040113997A1
公开(公告)日：2004-06-17
申请号：US10728950
申请日：2003-12-08
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook , Tobin Allen King
IPC分类号： B41J002/175
CPC分类号： B41J2/16505 , B41J2/14 , B41J2/145 , B41J2/155 , B41J2/16585 , B41J2/175 , B41J2002/14362 , B41J2002/14491 , B41J2202/19 , B41J2202/20 , Y10T29/49083
摘要： A printhead assembly includes an elongate support structure. At least one elongate printhead module is positioned on the support structure, along a length of the support structure. The, or each, printhead module includes a supply structure that is connectable to at least an ink supply and defines a plurality of outlets for the supply of at least ink. A micromolded ink distribution assembly is positioned on the supply structure. The ink distribution assembly defines a mounting formation to permit a printhead chip to be mounted on the ink delivery assembly. A plurality of ink inlets is in fluid communication with the outlets of the supply structure. The distribution assembly defines a plurality of exit holes and tortuous ink flow paths from each ink inlet to a number of respective exit holes. A printhead chip is mounted on the ink distribution assembly so that the ink can be fed from the exit holes to the printhead chip.
摘要翻译：打印头组件包括细长的支撑结构。至少一个细长的打印头模块沿支撑结构的长度定位在支撑结构上。该或每个打印头模块包括供应结构，该供应结构可连接到至少一个供墨装置，并且限定用于供应至少油墨的多个出口。微型墨水分配组件位于供应结构上。墨水分配组件限定了安装结构，以允许打印头芯片安装在墨水输送组件上。多个墨水入口与供应结构的出口流体连通。分配组件限定了从每个墨水入口到多个相应出口的多个出口孔和曲折墨水流动路径。打印头芯片安装在墨水分配组件上，使得墨水可以从出口孔进给到打印头芯片。

29. 发明申请

US20040113987A1 Thermal ink jet printhead with short heater to nozzle aperture distance 有权
标题翻译：热喷墨打印头具有短加热器至喷嘴孔距离
公开(公告)号：US20040113987A1
公开(公告)日：2004-06-17
申请号：US10728804
申请日：2003-12-08
申请人： Silverbrook Research Pty Ltd.
发明人： Kia Silverbrook
IPC分类号： B41J002/05
CPC分类号： B41J2/14427 , B41J2/04518 , B41J2/0452 , B41J2/04555 , B41J2/0457 , B41J2/0458 , B41J2/04588 , B41J2/1404 , B41J2/14072 , B41J2/1408 , B41J2/1412 , B41J2/155 , B41J2/1601 , B41J2/1603 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1631 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1646 , B41J2002/14475 , B41J2002/14491 , B41J2202/11 , B41J2202/19 , B41J2202/20 , B41J2202/21
摘要： There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements 10 corresponding to each nozzle. Each heater element 10 is configured to heat a bubble forming liquid 11 in the printhead to a temperature above its boiling point to form a gas bubble 12 therein. The generation of the bubble causes the ejection of a drop of an ejectable liquid (such as ink) through an ejection aperture in each nozzle, to effect printing. In each nozzle, the distance between the heater element and the ejection aperture is less than 50 microns. This configuration of printhead reduces the mass of ink moved in order to eject an ink drop, and provides for a relatively high efficiency of operation.
摘要翻译：公开了一种喷墨打印头，其包括多个喷嘴和对应于每个喷嘴的一个或多个加热器元件10。每个加热器元件10构造成将打印头中的气泡形成液体11加热至高于其沸点的温度，以在其中形成气泡12。气泡的产生导致通过每个喷嘴中的喷射孔喷出一滴可喷射液体（例如墨水），以实现打印。在每个喷嘴中，加热器元件和喷射孔之间的距离小于50微米。打印头的这种配置减少了为了排出墨滴而移动的墨水的质量，并提供了相当高的操作效率。

30. 发明申请

US20040104972A1 Fluid ejection device that incorporates covering formations for actuators of the fluid ejection device 失效
标题翻译：流体喷射装置，其包括用于流体喷射装置的致动器的覆盖层
公开(公告)号：US20040104972A1
公开(公告)日：2004-06-03
申请号：US10713095
申请日：2003-11-17
申请人： Silverbrook Research Pty Ltd
发明人： Kia Silverbrook
IPC分类号： B41J002/04
CPC分类号： B41J2/17513 , B41J2/14427 , B41J2/1601 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1637 , B41J2/1639 , B41J2/1642 , B41J2/1643 , B41J2/1645 , B41J2/1646 , B41J2/1648 , B41J2/16585 , B41J2/17596 , B41J2002/041 , B41J2202/21 , G06F21/79 , G06F21/86 , G06F2221/2129 , G06K1/121 , G06K7/14 , G06K7/1417 , G06K19/06037 , G11C11/56 , H04N5/225 , H04N5/2628
摘要： A micro-electromechanical fluid ejection device includes a substrate that incorporates drive circuitry. Nozzle chamber walls and a roof are positioned on the substrate to define a nozzle chamber with the roof defining a fluid ejection port in fluid communication with the nozzle chamber. A fluid-ejecting member is operatively positioned with respect to the nozzle chamber. The fluid-ejecting member is displaceable with respect to the substrate to eject fluid from the fluid ejection port. An actuator is connected to the fluid-ejecting member and to the drive circuitry. The actuator is displaceable upon receipt of an electrical signal from the drive circuitry to displace the fluid-ejecting member and thus eject fluid from the fluid ejection port. A covering formation is positioned on the substrate so that the substrate and the covering formation define an air chamber, the actuator being positioned within the air chamber.
摘要翻译：微机电流体喷射装置包括包含驱动电路的基板。喷嘴室壁和屋顶被定位在基板上以限定喷嘴室，其中屋顶限定出与喷嘴室流体连通的流体喷射口。流体喷射构件相对于喷嘴室可操作地定位。流体喷射构件可相对于基底移动，以从流体喷射口喷射流体。致动器连接到流体喷射构件和驱动电路。致动器在接收到来自驱动电路的电信号时可位移，以移位流体喷射构件，从而从流体喷射口喷出流体。覆盖层位于衬底上，使得衬底和覆盖层形成一个空气室，致动器位于空气室内。

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