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    • 5. 发明专利
    • Manufacturing process of nozzle substrate, manufacturing process of droplet discharge head, droplet discharge head, and droplet ejection apparatus
    • 喷嘴基板的制造工艺,喷墨头的制造工艺,喷墨头和喷射喷涂装置
    • JP2007253608A
    • 2007-10-04
    • JP2006281305
    • 2006-10-16
    • Seiko Epson Corpセイコーエプソン株式会社
    • ARAKAWA KATSUHARUBIZEN RYOICHI
    • B41J2/135B41J2/045B41J2/055B41J2/16
    • B41J2/16B41J2/1623B41J2/1628B41J2/1629B41J2/1632B41J2/1635B41J2/1642B41J2/1645B41J2/1646B41J2002/043B41J2002/14419
    • PROBLEM TO BE SOLVED: To provide a manufacturing process of a nozzle substrate which cements firmly with a supporting substrate at the time of working of a substrate and keeps the substrate not damaged, moreover, enables the easy release of the supporting substrate from the substrate, prevents a crack from reaching even a part for a head section when the crack arises in the substrate, facilitates handling thereby, and is useful to an improvement in yield or productivity. SOLUTION: The manufacturing process of the nozzle substrate comprises the step of forming a recess used as a nozzle hole 11 by etching working, the step of sticking the first supporting substrate 61 on a surface by a working side which has the recess, a step of opening the tip of the recess by forming a sheet metal in a desired thickness from the substrate to be processed 100 from the surface which stuck the first supporting substrate and the surface by the opposite side, the step of sticking the second supporting substrate 62 on the surface by the side of opening to which the opening of the recess is carried out, the step of joining the third supporting substrate to the stripped surface by exfoliating the first supporting substrate from the processed substrate, and the step of exfoliating the second supporting substrate from the processed substrate. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供在基板加工时用支撑基板牢固粘合的喷嘴基板的制造工艺,并且保持基板不被损坏,此外,能够容易地将支撑基板从 当在基板中出现裂纹时,基板防止裂纹到达头部的一部分,从而便于其处理,并且对于提高产量或生产率是有用的。 解决方案:喷嘴基板的制造过程包括通过蚀刻加工形成用作喷嘴孔11的凹槽的步骤,通过具有凹部的工作侧将第一支撑基板61粘贴在表面上的步骤, 从所述第一支撑基板的表面和相对侧的表面形成从所述被处理基板100的所需厚度的金属板开始所述凹部的前端的工序;将所述第二支撑基板 62是通过进行凹部的开口部的开口侧的表面,通过从被处理基板剥离第一支撑基板而将第三支撑基板接合到剥离面的工序,以及将第二支撑基板剥离的工序 从处理过的衬底支撑衬底。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Droplet ejection head, droplet ejector, process for manufacturing droplet ejection head, and process for manufacturing droplet ejector
    • 喷射喷头,喷射器,制造喷射头的过程以及制造喷射器的过程
    • JP2007190772A
    • 2007-08-02
    • JP2006010333
    • 2006-01-18
    • Seiko Epson Corpセイコーエプソン株式会社
    • OTANI KAZUFUMI
    • B41J2/055B41J2/045B41J2/16
    • B41J2002/043B41J2002/14419
    • PROBLEM TO BE SOLVED: To provide a droplet ejection head, which can attain a high density of nozzles and prevent pressure interference between nozzles, and to provide its manufacturing process.
      SOLUTION: The droplet ejection head 10 comprises a nozzle substrate 1, a cavity substrate 3 having an ejection chamber 31, and a reservoir substrate 2 having a reservoir 23 wherein a diaphragm portion 100 equipped with a resin membrane 111 for buffering a pressure variation is provided at a part on the wall of the reservoir 23. In the manufacturing process of the droplet ejection head 10, the diaphragm portion 100 is formed by etching a portion 100a of a silicon substrate 200 becoming the diaphragm portion down to a required depth from one side and then wet-etching a portion 23a serving as the reservoir from the opposite side of the silicon substrate 200.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种液滴喷射头,其能够获得高密度的喷嘴并防止喷嘴之间的压力干扰,并提供其制造过程。 解决方案:液滴喷射头10包括喷嘴基板1,具有喷射室31的空腔基板3和具有储存器23的储存器基板2,其中隔膜部分100配备有用于缓冲压力的树脂膜111 在液滴喷射头10的制造过程中提供了变化。在液滴喷射头10的制造过程中,通过将形成隔膜部分的硅基板200的部分100a蚀刻到所需的深度 然后从硅衬底200的相反侧湿蚀刻用作储存器的部分23a。(C)2007,JPO&INPIT