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    • 3. 发明申请
    • Ink jet nozzle geometry selection by laser ablation of thin walls
    • 通过激光消融薄壁喷墨喷嘴几何选择
    • US20050285901A1
    • 2005-12-29
    • US10880069
    • 2004-06-29
    • Shelby NelsonEduardo FreireJohn Andrews
    • Shelby NelsonEduardo FreireJohn Andrews
    • B41J2/04B41J2/16
    • B41J2/1634B41J2/1606B41J2/162B41J2/1631B41J2002/14475
    • 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.
    • 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。
    • 8. 发明申请
    • FLUID COUPLER AND A DEVICE ARRANGED WITH THE SAME
    • 流体连接器和与其同样的装置
    • US20080113156A1
    • 2008-05-15
    • US12015676
    • 2008-01-17
    • Peter NystromJohn Andrews
    • Peter NystromJohn Andrews
    • B32B3/10
    • B41J2/1433B41J2/162B41J2/1623B41J2/1632B41J2/1634Y10T428/24322
    • Plural film layers are disposed on a substrate. Each film layer has regions devoid of film material, thus forming film layer cavity openings. Each film layer has its cavities arranged to provide fluid coupling with its adjacent film layer or layers. The film layer cavities form a traverse channel coupling the top and bottom film layers and also one or more lateral channels coupling cavity openings in the top film layer. The film layer traverse channel couples with a substrate channel that extends from the substrate top surface to one or more of its other surfaces. A device such as a fluid dispenser, fluid ejector, sensor or bioprocessing device is disposed on the top film layer and fluidly coupled to the plural film layers traverse and lateral channels. The traverse channel and the one or more lateral channels are arranged to transport or flow one or more fluids.
    • 多个膜层设置在基板上。 每个膜层具有没有膜材料的区域,从而形成膜层空腔开口。 每个膜层具有其空腔,其设置成与其相邻的膜层或多个层提供流体耦合。 膜层空腔形成连接顶部和底部膜层的横向通道以及耦合顶部膜层中的空腔开口的一个或多个侧向通道。 薄膜层与从衬底顶表面延伸到其另一表面的一个或多个的衬底通道横穿通道耦合。 诸如流体分配器,流体喷射器,传感器或生物处理装置的装置设置在顶部薄膜层上并且流体耦合到多个薄膜层横穿和横向通道。 横向通道和一个或多个横向通道被布置成输送或流动一种或多种流体。