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    • 9. 发明授权
    • Thermally conductive, corrosion resistant printhead structure
    • 导热,耐腐蚀的打印头结构
    • US6076912A
    • 2000-06-20
    • US89713
    • 1998-06-03
    • Ashok Murthy
    • Ashok Murthy
    • B41J2/14B41J2/16B41J29/377
    • B41J2/1623B41J2/14024B41J2/1603B41J2/164B41J2202/03
    • The invention described in the specification relates to a carrier for an ink jet printhead having unique characteristics which substantially inhibit corrosion and provide improved thermal heat transfer from energizer devices for the ink to the surrounding atmosphere. The carrier has top and bottom surfaces and is adapted to receive a chip and a circuit layer thereon. Another feature of the carrier is a well having a base and walls surrounding the base for receiving a semiconductor chip therein. The walls extend above the top surface of the carrier to a wall height that is substantially equal to the thickness of the circuit layer. The well has a well depth that is substantially equal to the thickness of the chip. A slot formed in the base of the well extends from the bottom surface of the carrier to the base and provide a flow path for ink to the energizers on the chip. Use of a separate carrier for the printhead components provides increased process versatility during the manufacture of the printhead.
    • 本说明书中描述的本发明涉及一种用于喷墨打印头的载体,其具有基本上抑制腐蚀的特征,并且提供从用于油墨的增力装置到周围大气的改进的热传递。 载体具有顶表面和底表面,并且适于在其上接收芯片和电路层。 载体的另一个特征是具有围绕基部的基部和壁的阱,用于在其中接收半导体芯片。 壁在载体的顶表面上延伸到基本上等于电路层厚度的壁高度。 该井具有与芯片的厚度基本相等的良好深度。 形成在井的底部中的槽从载体的底表面延伸到基底,并为芯片上的激发器提供油墨的流动路径。 对打印头组件使用单独的托架提供了在打印头制造过程中增加的工艺通用性。
    • 10. 发明授权
    • Ink jet printer nozzle plate having improved flow feature design and
method of making nozzle plates
    • 喷墨打印机喷嘴板具有改进的流动特征设计和制造喷嘴板的方法
    • US6045214A
    • 2000-04-04
    • US827241
    • 1997-03-28
    • Ashok MurthySteven Robert KomplinJames Harold Powers
    • Ashok MurthySteven Robert KomplinJames Harold Powers
    • B41J2/05B23K26/00B23K26/20B41J2/135B41J2/14B41J2/16B41J3/04B41J21/175
    • B41J2/164B41J2/1404B41J2/1603B41J2/162B41J2/1623B41J2/1634B41J2002/14403
    • A nozzle plate for an ink jet print head and method therefor is provided. The nozzle plate has a polymeric layer, an adhesive layer attached to the polymeric layer defining a nozzle plate thickness and ablated portions of the polymeric layer and adhesive layer defining flow feature of the nozzle plate which contain ink flow channels, firing chambers, nozzle holes, an ink supply region and one or more projections of polymeric material in the ink supply region of the nozzle plate. The one or more projections are selected from the group consisting of an elongate portion of polymeric material having an ablated portion surrounding the elongate portion, partially ablated spaced elongate fingers having a height which is less than the thickness of the nozzle plate which are parallel to and offset from the ink flow channels, and a plurality of spaced projections having a height which is less than the thickness of the nozzle plate extending from the flow feature surface adjacent the ink flow channels having a spacing between adjacent projections which is sufficient to trap debris before the debris enters the ink flow channels to the firing chambers.
    • 本发明提供一种喷墨打印头用喷嘴板及其制造方法。 喷嘴板具有聚合物层,附着到聚合物层的粘合剂层,其限定喷嘴板厚度,并且消融聚合物层的部分和限定喷嘴板的流动特征的粘合剂层,其包含油墨流动通道,燃烧室,喷嘴孔, 墨水供应区域和喷嘴板的供墨区域中的聚合物材料的一个或多个突起。 一个或多个突起选自具有围绕细长部分的消融部分的聚合材料的细长部分,部分切除的间隔开的细长指状物的高度小于喷嘴板的平行于其的厚度, 偏离油墨流动通道,以及多个间隔开的突出物,其高度小于从邻近墨水流动通道的流动特征表面延伸的喷嘴板的厚度,其具有在相邻突出部之间具有足以在其之前捕获碎屑的间隔 碎屑进入喷墨室的墨水流动通道。