利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

86 条记录 (耗时 0.038 秒)

    Tapered multi-layer thermal actuator and method of operating same
    71.
    发明授权
    Tapered multi-layer thermal actuator and method of operating same 失效
    锥形多层热致动器及其操作方法

    公开(公告)号：US07033000B2

    公开(公告)日：2006-04-25

    申请号：US10953401

    申请日：2004-09-29

    申请人： Christopher N. Delametter ,  Edward P. Furlani ,  John A. Lebens ,  David P. Trauernicht ,  Antonio Cabal ,  David S. Ross ,  Stephen F. Pond

    发明人： Christopher N. Delametter ,  Edward P. Furlani ,  John A. Lebens ,  David P. Trauernicht ,  Antonio Cabal ,  David S. Ross ,  Stephen F. Pond

    IPC分类号： B41J2/05 ,  B41J2/04

    CPC分类号： B41J2/14427 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1648

    摘要： An apparatus for and method of operating a thermal actuator for a micromechanical device, especially a liquid drop emitter for use in an ink jet printhead, is disclosed. The disclosed thermal actuator includes a base element and a cantilevered element including a thermo-mechanical bender portion extending from the base element to a free end tip. The thermo-mechanical bender portion includes a barrier layer constructed of a dielectric material having low thermal conductivity, a first deflector layer constructed of a first electrically resistive material having a large coefficient of thermal expansion, and a second deflector layer constructed of a second electrically resistive material having a large coefficient of thermal expansion wherein the barrier layer is bonded between the first and second deflector layers.

    摘要翻译： 公开了一种操作用于微机械装置的热致动器的装置和方法，特别是用于喷墨打印头的液滴发射器。 所公开的热致动器包括基部元件和悬臂元件，其包括从基部元件延伸到自由端尖端的热机械弯曲部分。 热机械弯曲部分包括由具有低热导率的介电材料构成的阻挡层，由具有大的热膨胀系数的第一电阻材料构成的第一偏转器层和由第二电阻构成的第二偏转器层 具有大的热膨胀系数的材料，其中阻挡层结合在第一和第二偏转器层之间。

    Tapered multi-layer thermal actuator and method of operating same
    72.
    发明授权
    Tapered multi-layer thermal actuator and method of operating same 失效
    锥形多层热致动器及其操作方法

    公开(公告)号：US07029101B2

    公开(公告)日：2006-04-18

    申请号：US10953398

    申请日：2004-09-29

    申请人： Christopher N. Delametter ,  Edward P. Furlani ,  John A. Lebens ,  David P. Trauernicht ,  Antonio Cabal ,  David S. Ross ,  Stephen F. Pond

    发明人： Christopher N. Delametter ,  Edward P. Furlani ,  John A. Lebens ,  David P. Trauernicht ,  Antonio Cabal ,  David S. Ross ,  Stephen F. Pond

    IPC分类号： B41J2/05 ,  B41J2/04

    CPC分类号： B41J2/14427 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1648

    摘要： An apparatus for and method of operating a thermal actuator for a micromechanical device, especially a liquid drop emitter for use in an ink jet printhead, is disclosed. The disclosed thermal actuator includes a base element and a cantilevered element including a thermo-mechanical bender portion extending from the base element to a free end tip. The thermo-mechanical bender portion includes a barrier layer constructed of a dielectric material having low thermal conductivity, a first deflector layer constructed of a first electrically resistive material having a large coefficient of thermal expansion, and a second deflector layer constructed of a second electrically resistive material having a large coefficient of thermal expansion wherein the baffler layer is bonded between the first and second deflector layers.

    摘要翻译： 公开了一种操作用于微机械装置的热致动器的装置和方法，特别是用于喷墨打印头的液滴发射器。 所公开的热致动器包括基部元件和悬臂元件，其包括从基部元件延伸到自由端尖端的热机械弯曲部分。 热机械弯曲部分包括由具有低热导率的介电材料构成的阻挡层，由具有大的热膨胀系数的第一电阻材料构成的第一偏转器层和由第二电阻构成的第二偏转器层 具有大的热膨胀系数的材料，其中挡板层结合在第一和第二偏转器层之间。

    Tapered thermal actuator
    76.
    发明授权
    Tapered thermal actuator 失效

    公开(公告)号：US06824249B2

    公开(公告)日：2004-11-30

    申请号：US10227079

    申请日：2002-08-23

    申请人： Christopher N. Delametter ,  David P. Trauernicht ,  John A. Lebens ,  Edward P. Furlani ,  Stephen F. Pond

    发明人： Christopher N. Delametter ,  David P. Trauernicht ,  John A. Lebens ,  Edward P. Furlani ,  Stephen F. Pond

    IPC分类号： B41J204

    CPC分类号： B41J2/14427

    摘要： An apparatus for a thermal actuator for a micromechanical device, especially a liquid drop emitter such as an ink jet printhead, is disclosed. The disclosed thermal actuator comprises a base element and a cantilevered element including a thermo-mechanical bending portion extending from the base element and a free end portion residing in a first position. The thermo-mechanical bending portion has a base end width, wb, adjacent the base element and a free end width, wf, adjacent the free end portion wherein the base end width is substantially greater than the free end width. The thermal actuator further comprises apparatus adapted to apply a heat pulse directly to the thermo-mechanical bending portion causing the deflection of the free end portion of the cantilevered element to a second position. The width of the thermo-mechanical bending portion may reduce substantially monotonically as a function of the distance away from the base element or in at least one step reduction. The apparatus adapted to apply a heat pulse may comprise a thin film resistor. Alternatively, the thermo-mechanical bending portion may comprise a layer of electrically resistive material having a heater resistor formed therein to which is applied an electrical pulse to cause rapid deflection of the free end portion and ejection of a liquid drop.

    Tapered thermal actuator
    77.
    发明授权
    Tapered thermal actuator 失效
    锥形热致动器

    公开(公告)号：US06820964B2

    公开(公告)日：2004-11-23

    申请号：US10293077

    申请日：2002-11-13

    申请人： Christopher N. Delametter ,  David P. Trauernicht ,  John A. Lebens ,  Edward P. Furlani ,  Stephen F. Pond

    发明人： Christopher N. Delametter ,  David P. Trauernicht ,  John A. Lebens ,  Edward P. Furlani ,  Stephen F. Pond

    IPC分类号： B41J204

    CPC分类号： B41J2/14427

    摘要： An apparatus for a thermal actuator for a micromechanical device, especially a liquid drop emitter such as an ink jet printhead, is disclosed. The disclosed thermal actuator comprises a base element and a cantilevered element including a thermo-mechanical bending portion extending from the base element and a free end portion residing in a first position. The thermo-mechanical bending portion has a base end width, wb, adjacent the base element and a free end width, wf, adjacent the free end portion wherein the base end width is substantially greater than the free end width. The thermal actuator further comprises apparatus adapted to apply a heat pulse directly to the thermo-mechanical bending portion causing the deflection of the free end portion of the cantilevered element to a second position. The width of the thermo-mechanical bending portion may reduce substantially quadratically or in an inverse power fashion as a function of the distance away from the base element or in at least one step reduction. The apparatus adapted to apply a heat pulse may comprise a thin film resistor. Alternatively, the thermo-mechanical bending portion may comprise a layer of electrically resistive material having a heater resistor formed therein to which is applied an electrical pulse to cause rapid deflection of the free end portion and ejection of a liquid drop.

    摘要翻译： 公开了一种用于微机械装置的热致动器的装置，特别是诸如喷墨打印头的液滴发射器。 所公开的热致动器包括基座元件和悬臂元件，悬臂元件包括从基座元件延伸的热机械弯曲部分和位于第一位置的自由端部分。 热机械弯曲部分具有与基部元件相邻的基端宽度wb和邻近自由端部分的自由端宽度wf，其中基端宽度基本上大于自由端宽度。 热致动器还包括适于将热脉冲直接施加到热机械弯曲部分的装置，导致悬臂元件的自由端部偏转到第二位置。 热机械弯曲部分的宽度可以基于距离基部元件的距离或者至少一个阶梯减小的函数基本上二次或以反向功率方式减小。 适于施加加热脉冲的装置可以包括薄膜电阻器。 或者，热机械弯曲部分可以包括具有形成在其中的加热电阻器的电阻材料层，其上施加电脉冲以引起自由端部分的快速偏转和液滴的喷射。

    Thermal actuator with spatial thermal pattern
    78.
    发明授权
    Thermal actuator with spatial thermal pattern 失效

    公开(公告)号：US06721020B1

    公开(公告)日：2004-04-13

    申请号：US10293653

    申请日：2002-11-13

    申请人： Christopher N. Delametter ,  David P. Trauernicht ,  Edward P. Furlani ,  John A. Lebens

    发明人： Christopher N. Delametter ,  David P. Trauernicht ,  Edward P. Furlani ,  John A. Lebens

    IPC分类号： B41J204

    CPC分类号： B41J2/04573 ,  B41J2/04585 ,  B41J2/04588 ,  B41J2/14427 ,  B41J2/1628 ,  B41J2/1639 ,  B41J2/1646 ,  B41J2/1648

    摘要： An apparatus for and method of operating a thermal actuator for a micromechanical device, especially a liquid drop emitter such as an ink jet printhead, is disclosed. The disclosed thermal actuator comprises a base element and a cantilevered element including a thermo-mechanical bender portion extending from the base element to a free end tip. The thermo-mechanical bender portion includes a barrier layer constructed of a dielectric material having low thermal conductivity, a first deflector layer constructed of a first electrically resistive material having a large coefficient of thermal expansion, and a second deflector layer constructed of a second electrically resistive material having a large coefficient of thermal expansion wherein the barrier layer is bonded between the first and second deflector layers. The thermo-mechanical bender portion further has a base end adjacent the base element and a free end adjacent the free end tip. A first heater resistor is formed in the first deflector layer and adapted to apply heat energy having a first spatial thermal pattern which results in a first deflector layer base end temperature increase, &Dgr;T1b, that is greater than a first deflector layer free end temperature increase, &Dgr;T1f. A second heater resistor is formed in the second deflector layer and adapted to apply heat energy having a second spatial thermal pattern which results in a second deflector layer base end temperature increase, &Dgr;T2b that is greater than a second deflector layer free end temperature increase, &Dgr;T2f. Application of an electrical pulse to either the first or second heater resistors causes deflection of the cantilevered element, followed by restoration of the cantilevered element to an initial position as heat diffuses through the barrier layer and the cantilevered element reaches a uniform temperature. For liquid drop emitter embodiments, the thermal actuator resides in a liquid-filled chamber that includes a nozzle for ejecting liquid. Application of electrical pulses to the heater resistors is used to adjust the characteristics of liquid drop emission. The barrier layer exhibits a heat transfer time constant &tgr;B. The thermal actuator is activated by a heat pulses of duration &tgr;p wherein &tgr;p

    Drop-on-demand ink jet printer with controlled fluid flow to effect drop ejection
    79.
    发明授权
    Drop-on-demand ink jet printer with controlled fluid flow to effect drop ejection 失效
    具有受控流体流动的点滴式喷墨打印机以实现液滴喷射

    公开(公告)号：US06568799B1

    公开(公告)日：2003-05-27

    申请号：US10055295

    申请日：2002-01-23

    申请人： Zhihao Yang ,  Ravi Sharma ,  Christopher N. Delametter ,  Milton S. Sales

    发明人： Zhihao Yang ,  Ravi Sharma ,  Christopher N. Delametter ,  Milton S. Sales

    IPC分类号： B41J275

    CPC分类号： B41J2/14 ,  B41J2202/12

    摘要： A drop on demand microfluidic ink jet printing system includes an ink flow chamber having a nozzle opening in a wall of the flow chamber through which ink droplets are ejected when ink in the flow chamber is at or above a predetermined positive pressure. An inlet channel opens into the flow chamber to supply thermally-responsive ink to the flow chamber at or above the predetermined pressure. A microfluidic outlet channel communicates the flow chamber with a low pressure ink reservoir such that thermally-responsive ink is normally transported from the flow chamber at a flow velocity sufficient to maintain ink in the flow chamber at a pressure less than the predetermined positive pressure. A valve selectively restricts the flow of the thermally-responsive ink through the microfluidic outlet channel sufficiently to cause an increase in ink pressure in the flow chamber to at least the predetermined positive pressure, the valve including a heater in contact with at least a portion of the associated microfluidic outlet channel, whereby the viscosity of the thermally-responsive ink can selectively be increased by heat from the heater to restrict the flow of the thermally-responsive ink from the flow chamber such that an ink droplet is ejected through the nozzle opening.

    摘要翻译： 按需微型喷墨打印系统包括墨水流动室，其具有在流动室的壁中的喷嘴开口，当流动室中的墨水处于或高于预定的正压时，通过该喷嘴开口喷射墨滴。 入口通道通向流动室，以在预定压力或高于预定压力的情况下向流动室供应热响应性油墨。 微流出口通道将流动室与低压储墨器连通，使得热响应性油墨通常以足以将流动室中的墨维持在小于预定正压力的压力的流速从流动室输送。 阀选择性地限制热响应性油墨通过微流体出口通道的流动，足以使流动室中的油墨压力增加到至少预定的正压，该阀包括与至少一部分 相关联的微流体出口通道，由此热响应性油墨的粘度可以通过来自加热器的热量而选择性地增加，以限制来自流动室的热响应性油墨的流动，使得墨滴通过喷嘴开口喷射。

    Inkjet drop selection a non-uniform airstream
    80.
    发明授权
    Inkjet drop selection a non-uniform airstream 有权
    喷墨滴选择不均匀的气流

    公开(公告)号：US06554389B1

    公开(公告)日：2003-04-29

    申请号：US10023248

    申请日：2001-12-17

    申请人： Gilbert A. Hawkins ,  Christopher N. Delametter ,  David L. Jeanmaire ,  James M. Chwalek

    发明人： Gilbert A. Hawkins ,  Christopher N. Delametter ,  David L. Jeanmaire ,  James M. Chwalek

    IPC分类号： B41J29393

    CPC分类号： B41J2/03 ,  B41J2/14 ,  B41J2202/02

    摘要： An apparatus for controlling errant ink drops in an inkjet printer having a plurality of nozzles for ejecting ink drops along a droplet trajectory and printing the ejected ink drops onto a receiver, including: at least one airflow channel arranged to provide a non-uniform airflow pattern located along a portion of the droplet trajectory, wherein the apparatus is in close proximity to the plurality of nozzles and prior to the receiver, such that the non-uniform airflow pattern provides compensation for errors in the printing of the ejected ink drops on the receiver and means for moving air in the airflow channel.

    摘要翻译： 一种用于控制喷墨打印机中的错误墨滴的装置，具有多个喷嘴，用于沿着液滴轨迹喷射墨滴，并将喷射的墨滴打印到接收器上，包括：至少一个气流通道，其布置成提供不均匀的气流模式 沿着液滴轨迹的一部分定位，其中该装置紧邻多个喷嘴并且在接收器之前，使得不均匀的气流模式为接收器上喷射的墨滴的打印错误提供补偿 以及用于在气流通道中移动空气的装置。