Invention Grant
- Patent Title: Piezoelectric stack
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Application No.: US14439394Application Date: 2013-10-29
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Publication No.: US10998488B2Publication Date: 2021-05-04
- Inventor: Tetsuya Komeda , Yuki Yamanaka , Yoshiro Tajitsu
- Applicant: Nippon Valqua Industries, Ltd. , A School Corporation Kansai University
- Applicant Address: JP Tokyo; JP Osaka
- Assignee: Nippon Valqua Industries, Ltd.,A School Corporation Kansai University
- Current Assignee: Nippon Valqua Industries, Ltd.,A School Corporation Kansai University
- Current Assignee Address: JP Tokyo; JP Osaka
- Agency: The Webb Law Firm
- Priority: JP2012-240411 20121031,JP2013-027856 20130215,JP2013-144507 20130710
- International Application: PCT/JP2013/079309 WO 20131029
- International Announcement: WO2014/069477 WO 20140508
- Main IPC: H01L41/193
- IPC: H01L41/193 ; D06N3/04 ; D06N3/00 ; H01G7/02 ; H01L41/45 ; H01L41/053
Abstract:
A piezoelectric stack includes a porous resin sheet, and a surface coating layer disposed on an exterior surface of the porous resin sheet, the exterior surface including at least one of a front surface and a back surface of the porous resin sheet, the surface coating layer having a volume resistivity of not less than 1×1013 Ω·cm, the porous resin sheet and the surface coating layer having different elastic moduli.
Public/Granted literature
- US20150295163A1 Piezoelectric Stack Public/Granted day:2015-10-15
Information query
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