公开(公告)号：US20050285901A1

公开(公告)日：2005-12-29

申请号：US10880069

申请日：2004-06-29

申请人： Shelby Nelson ,  Eduardo Freire ,  John Andrews

发明人： Shelby Nelson ,  Eduardo Freire ,  John Andrews

IPC分类号： B41J2/04 ,  B41J2/16

CPC分类号： B41J2/1634 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1631 ,  B41J2002/14475

摘要： A novel method of fabricating the channel ends of an ink jet printhead: lithographically fabricating channels in photopolymer having the channel end blocked by a thin layer of photopolymer; sandwiching the photopolymer between two parallel substrates, one of which has an actuator for each channel; dicing through the substrates on a line perpendicular to the channels and leaving the channels and solid wall at the end of the channels intact; optionally coating the diced face including the polymer wall blocking the channel ends with a hydrophobic material; and forming nozzles in the end of the channels by laser ablating through the polymer layer at the end of the channel. Forming the nozzles after dicing and the optional coating prevents contamination of the interior of the printhead. The nozzles can be recessed from the diced edges of the substrate. Photolithographic formation of the end of the channel insures an accurate distance is maintained between the nozzle and the actuator. Improved jetting stability, directionality of the ejected drops, and drop size result from this novel fabrication method.

摘要翻译： 一种制造喷墨打印头的通道端的新颖方法：光刻制造光聚合物中的通道，其通道端被光聚合物薄层阻挡; 将光聚合物夹在两个平行的基板之间，其中一个具有用于每个通道的致动器; 在垂直于通道的线上通过基底切割，并保留通道末端的通道和实心壁; 任选地将包含聚合物壁的切割面涂覆用疏水材料阻挡通道末端; 并且在通道的末端通过在通道末端的聚合物层激光烧蚀而在通道的末端形成喷嘴。 在切割之后形成喷嘴，并且可选的涂层防止了打印头内部的污染。 喷嘴可以从基板的切割边缘凹进。 通道端部的光刻形成确保喷嘴和致动器之间保持精确的距离。 改进的喷射稳定性，喷射液滴的方向性和液滴尺寸是由这种新颖的制造方法产生的。

公开(公告)号：US20060001685A1

公开(公告)日：2006-01-05

申请号：US10881680

申请日：2004-06-30

申请人： Eduardo Freire

发明人： Eduardo Freire

IPC分类号： B41J29/38

CPC分类号： B41J2/04516 ,  B41J2/04575 ,  B41J2/0458 ,  B41J2/04581

摘要： A method of printing with a fluid jet printer (10) is provided. The printer (10) has a printhead (12) with a fluid ejecting face (12a) facing a recording medium (14), the fluid ejecting face (12a) having at least one fluid ejector (18) arranged thereon. The method includes: imparting movement to at least one of the fluid ejector (18) and the recording medium (14) such that the recording medium (14) moves relative to the fluid ejector (18) along a fast scan direction (32) at a velocity (vm); and, selectively ejecting fluid from the fluid ejector (18) toward the recording medium (14) as the movement is being imparted, such that: (i) a main drop is formed and has a first velocity (vd) in a first direction; and, (ii) a satellite droplet is formed and has a second velocity (vs) in a second direction that forms an angle (θ) with respect to the first direction, wherein θ substantially satisfies the equation: tan θ=vm[1/(vs cos θ)−1/vd].

摘要翻译： 提供了一种使用流体喷射打印机（10）进行打印的方法。 打印机（10）具有打印头（12），其具有面向记录介质（14）的流体喷射面（12a），所述流体喷射面（12a）具有布置在其上的至少一个流体喷射器（18）。 该方法包括：向至少一个流体喷射器（18）和记录介质（14）施加运动，使得记录介质（14）沿着快速扫描方向（32）相对于流体喷射器（18）移动， 速度（v m）; 并且当所述移动被赋予时，从所述流体喷射器（18）向所述记录介质（14）选择性地喷射流体，使得：（i）形成主液滴并具有第一速度（v d d） SUB>）; 并且（ii）形成卫星液滴并且在相对于第一方向形成角度（θ）的第二方向上具有第二速度（v SUB），其中θ基本上满足等式 ：<？in-line-formula description =“In-line Formulas”end =“lead”？>tanθ= v＆lt; m＆lt; 1 /（v＆ ）-1 / v＆lt; d＆gt;]。 <？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20050179739A1

公开(公告)日：2005-08-18

申请号：US10778577

申请日：2004-02-17

申请人： Eduardo Freire ,  John Slowik ,  Andrew Yeh ,  Roger Markham ,  William Rhodes

发明人： Eduardo Freire ,  John Slowik ,  Andrew Yeh ,  Roger Markham ,  William Rhodes

IPC分类号： B05C5/00 ,  B41J2/05 ,  B41J29/38

CPC分类号： B41J2/0458 ,  B41J2/04588 ,  B41J2/04593 ,  B41J2/04598

摘要： A method and apparatus are providing for controlling the drop volume of a thermal fluid jet fluid ejecting head. The fluid ejecting head has a plurality of drop ejectors, each of the plurality of drop ejectors has a heating element activated in response to input signals to eject an ink droplet from the fluid ejecting head. The method includes the steps of applying a plurality of print signals to the fluid ejecting head, the plurality of print signals corresponding to an image for the fluid jet assembly to create, applying at least two pre-pulse signals of different duration to the fluid ejecting head, and using the at least two pre-pulse signals and the plurality of print signals to activate the heating elements so that a desired drop volume results.

摘要翻译： 一种方法和装置提供用于控制热流体喷射流体喷射头的液滴体积。 所述液体喷射头具有多个液滴喷射器，所述多个液滴喷射器中的每一个具有响应于输入信号而被激活的加热元件，以从所述流体喷射头喷射墨滴。 该方法包括以下步骤：将多个打印信号施加到流体喷射头，多个打印信号对应于用于流体喷射组件的图像，以产生不同持续时间的至少两个预脉冲信号到流体喷射 并且使用所述至少两个预脉冲信号和所述多个打印信号来激活所述加热元件，从而导致期望的液滴体积。

公开(公告)号：US20050151767A1

公开(公告)日：2005-07-14

申请号：US10752717

申请日：2004-01-08

申请人： Andrew Yeh ,  Roger Markham ,  Lesley Dudek ,  Eduardo Freire ,  Gary Kneezel ,  Christopher Morton

发明人： Andrew Yeh ,  Roger Markham ,  Lesley Dudek ,  Eduardo Freire ,  Gary Kneezel ,  Christopher Morton

IPC分类号： B41J2/01 ,  B41J2/165 ,  B41J29/38 ,  B41J29/393

CPC分类号： B41J2/2142 ,  B41J29/393

摘要： Methods and apparatus provide for automatic fluid ejector alignment and performance evaluation and modification in one or multiple planes. A fluid ejector fires a drop through a drop detection module. A signal indicating drop presence or absence is sent to a computer. The computer analyzes the data, and makes a compensation determination of a preferred method of using the fluid ejector. The compensation determination may include electronically modifying the image data to be printed, physically manipulating the fluid ejector, completely skipping the fluid ejector during printing operations, or in some other way modifying the fluid ejector or image data such that apparent printed image error due to fluid ejector alignment or performance error is reduced.

摘要翻译： 方法和装置提供了一个或多个平面中的自动流体喷射器对准和性能评估和修改。 液体喷射器通过液滴检测模块触发液滴。 指示下降存在或不存在的信号被发送到计算机。 计算机分析数据，并对使用流体喷射器的优选方法进行补偿确定。 补偿确定可以包括电子修改要打印的图像数据，物理地操纵流体喷射器，在打印操作期间完全跳过流体喷射器，或以某种其他方式修改流体喷射器或图像数据，使得由于流体而导致的明显的印刷图像误差 喷射器对准或性能误差降低。