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    • 74. 发明申请
    • POROUS STRUCTURE, INK JET RECORDING HEAD, METHODS OF THEIR PRODUCTION, AND INK JET RECORDER
    • 多孔结构,喷墨记录头,其生产方法和喷墨记录仪
    • WO99012740A1
    • 1999-03-18
    • PCT/JP1998/004034
    • 1998-09-09
    • B41J2/14B41J2/16B41J2/135
    • B41J2/1629B41J2/14B41J2/16B41J2/1606B41J2/162B41J2/1626B41J2/1628B41J2/1631B41J2/1637B41J2/164B41J2/1645B41J2202/03
    • A porous structure keeping water repellency for a long time; an ink jet recording head having high water repelling characterisitics on a nozzle surface and capable of keeping high printing quality for a long time; methods of their production; and an ink jet recorder mounted with the ink jet recording head. The porous structure (100) comprises recesses (17) and protrusions (18) formed on the surface of its substrate. The protrusions (18) have each a uniform height, and the recesses (17) and the protrusions (18) are formed into sizes such that droplets (21) do not fall into the recesses (17) but can come into contact with an air layer (20) in each recess (17). The porous structure (100) is employed for an ink delivery surface of an ink jet recording head except for an ink delivery port, and the ink jet recording head is mounted on an ink jet recorder.
    • 多孔结构长时间保持防水性; 喷嘴记录头在喷嘴表面上具有高的排水特性并且能够长时间保持高的打印质量; 生产方式; 以及安装有喷墨记录头的喷墨记录器。 多孔结构(100)包括形成在其基底表面上的凹槽(17)和突起(18)。 突起(18)各自具有均匀的高度,并且凹部(17)和突起(18)形成为使得液滴(21)不落入凹部(17)中但能够与空气接触的尺寸 每个凹部(17)中的层(20)。 多孔结构(100)用于喷墨记录头的墨水输送口以外的墨水输送表面,喷墨记录头安装在喷墨记录器上。
    • 78. 发明申请
    • METHOD OF MANUFACTURING AN INK-JET PRINTHEAD
    • 制造喷墨打印机的方法
    • WO2016150715A1
    • 2016-09-29
    • PCT/EP2016/055126
    • 2016-03-10
    • SICPA HOLDING SA
    • GIOVANOLA, LuciaBALDI, SilviaMERIALDO, AnnaSCHINA, Paolo
    • B41J2/14B41J2/16
    • B41J2/1433B41J2/162B41J2/1623B41J2/1628B41J2/1629B41J2/1631B41J2/1632
    • The present application relates to a method of manufacturing an ink-jet printhead comprising: providing a silicon substrate (10) including active ejecting elements (11); providing a hydraulic structure layer (20) for defining hydraulic circuits configured to enable a guided flow of ink; providing a silicon orifice plate (30) having a plurality of nozzles (31) for ejection of the ink; assembling the silicon substrate (10) with the hydraulic structure layer (20) and the silicon orifice plate (30); wherein providing the silicon orifice plate (30) comprises: providing a silicon wafer (40) having a planar extension delimited by a first surface (41) and a second surface (42) on opposite sides of the silicon wafer (40); performing a thinning step at the second surface (42) so as to remove from the second surface (42) a central portion (43) having a preset height (H), the silicon wafer (40) being formed, following the thinning step, by a base portion (44) having a planar extension and a peripheral portion (45) extending from the base portion (44), transversally with respect to the planar extension of the base portion (44); and forming in the silicon wafer (40) a plurality of through holes, each defining a respective nozzle (31) for ejection of the ink. The method according to the present invention is characterized in that the silicon wafer (40) is a silicon-on-insulator wafer, wherein the silicon-on- insulator wafer comprises a silicon device layer (38) adjacent to the first surface (41), a silicon handle layer (37) adjacent to the second surface (42) and an insulator layer (39) in- between.
    • 本申请涉及一种制造喷墨打印头的方法,包括:提供包括有效喷射元件(11)的硅基板(10); 提供用于限定液压回路的液压结构层(20),所述液压回路构造成能够引导油墨流动; 提供具有用于喷射墨水的多个喷嘴(31)的硅孔板(30); 用液压结构层(20)和硅孔板(30)组装硅衬底(10); 其中提供硅孔板(30)包括:提供具有由第一表面(41)限定的平面延伸的硅晶片(40)和在硅晶片(40)的相对侧上的第二表面(42); 在所述第二表面(42)处进行变薄步骤,以便从所述第二表面(42)移除具有预设高度(H)的中心部分(43),所述硅晶片(40)在所述变薄步骤之后形成, 通过具有平面延伸部的基部(44)和从基部(44)延伸的周边部分(45),相对于基部(44)的平面延伸部横向延伸; 以及在硅晶片(40)中形成多个通孔,每个通孔限定用于喷射墨水的相应喷嘴(31)。 根据本发明的方法的特征在于,硅晶片(40)是绝缘体上硅晶片,其中绝缘体上硅晶片包括与第一表面(41)相邻的硅器件层(38) ,与第二表面(42)相邻的硅手柄层(37)和介于其间的绝缘体层(39)。