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    • 4. 发明专利
    • Method of manufacturing piezoelectric device
    • 制造压电器件的方法
    • JP2011096706A
    • 2011-05-12
    • JP2009246206
    • 2009-10-27
    • Seiko Epson Corpセイコーエプソン株式会社
    • TAKAKUWA ATSUSHI
    • H01L41/08G01P15/09H01L41/09H01L41/113H01L41/18H01L41/22H01L41/253H01L41/29H01L41/39H03H3/02
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a piezoelectric device by which the piezoelectric device few in defects and high in reliability can be manufactured. SOLUTION: The method of manufacturing the piezoelectric device 1 having a piezoelectric element 100 including a first conductive layer 20, a second conductive layer 40, and a piezoelectric layer 30 sandwiched between the first conductive layer 20 and second conductive layer 40 includes a conductive layer forming process of forming at least one of the first conductive layer 20 and second conductive layer 40, a conductive layer detecting process of detecting abnormality of a shape of the conductive layer formed in the conductive layer forming process, and a conductive layer repairing process of repairing defects when the defect is detected in the conductive layer detecting process. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造压电装置的方法,通过该方法可以制造出缺陷少,可靠性高的压电装置。 解决方案:制造具有包括第一导电层20,第二导电层40和夹在第一导电层20和第二导电层40之间的压电层30的压电元件100的压电器件1的制造方法包括: 形成第一导电层20和第二导电层40中的至少一个的导电层形成工序,检测在导电层形成工序中形成的导电层的形状异常的导电层检测工序,导电层修复工序 在导电层检测过程中检测到缺陷时修复缺陷。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Ink jet recording head
    • JP2004001550A
    • 2004-01-08
    • JP2003207739
    • 2003-08-18
    • Seiko Epson Corpセイコーエプソン株式会社
    • NISHIKAWA HISAOTAKAKUWA ATSUSHI
    • B41J2/16B41J2/045B41J2/055
    • PROBLEM TO BE SOLVED: To provide an ink jet recording head capable of dealing with trend of high resolution.
      SOLUTION: A process for manufacturing the ink jet recording head comprises (A) a step for forming a layer (11) being stripped through irradiation of a translucent base (10) with light, (B) a step for forming a common electrode film (3) on the stripping layer (11), (C) a step for forming a plurality of piezoelectric elements (4) on the common electrode film (3), (D) a step for forming a reservoir member (5) having a cover-like structure for containing one or more piezoelectric elements (4) and internally forming an ink reservoir (51), (E) a step for stripping the base (10) by irradiating the stripping layer (11) with specified light from the base (10) side, and (F) a step for pasting a pressure chamber substrate (2) provided with a plurality of pressure chambers (21) to the common electrode film (3) from which the base is stripped such that each pressure chamber (21) is enclosed. Since thin pressure chamber substrates can be produced in a process independent from a process for forming a piezoelectric element and can be pasted together finally, a head dealing with the trend of high resolution can be manufactured.
      COPYRIGHT: (C)2004,JPO