Invention Grant
- Patent Title: Electronic device, and manufacturing method of electronic device
- Patent Title (中): 电子设备及电子设备的制造方法
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Application No.: US15054413Application Date: 2016-02-26
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Publication No.: US09553064B2Publication Date: 2017-01-24
- Inventor: Yoshihide Matsuo , Masashi Yoshiike
- Applicant: SEIKO EPSON CORPORATION
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2015-057122 20150320
- Main IPC: B41J2/14
- IPC: B41J2/14 ; H01L23/00

Abstract:
An electronic device includes a drive substrate (a pressure chamber substrate and a vibration plate) including a piezoelectric element and electrode wirings related to driving of the piezoelectric element formed thereon, and a sealing plate bonded thereto, the electrode wirings are made of wiring metal containing gold (Au) on the drive substrate through an adhesion layer which is a base layer, and has a removed portion in which a portion of the wiring metal in a region containing a part bonded to a bonding resin is removed and the adhesion layer is exposed.
Public/Granted literature
- US20160276300A1 ELECTRONIC DEVICE, AND MANUFACTURING METHOD OF ELECTRONIC DEVICE Public/Granted day:2016-09-22
Information query
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