Invention Grant
- Patent Title: Liquid ejecting head and liquid ejecting apparatus
- Patent Title (中): 液体喷头和液体喷射装置
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Application No.: US13431759Application Date: 2012-03-27
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Publication No.: US08646880B2Publication Date: 2014-02-11
- Inventor: Manabu Munakata
- Applicant: Manabu Munakata
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: JP2011-071871 20110329
- Main IPC: B41J2/045
- IPC: B41J2/045

Abstract:
A charge accumulated on an insulative nozzle plate flows into the ink with which nozzle openings and pressure generation chambers are filled and reaches a vibration plate. The charge that has reached the vibration plate is driven out therethrough because the vibration plate is made of a conductive ceramic material and is grounded. Therefore, it is possible to obtain an ink jet recording head in which insulation breakdown of the vibration plate caused by the charge accumulated on the vibration plate is suppressed from occurring and a driving circuit is suppressed from being damaged.
Public/Granted literature
- US20120249685A1 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS Public/Granted day:2012-10-04
Information query
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