Title:
PIEZOELECTRIC FILM AND METHOD OF MANUFACTURING FILM
Document Type and Number:
WIPO Patent Application WO/2019/064739
Kind Code:
A1
Abstract:
Provided is a thin and very smooth piezoelectric film. The piezoelectric film comprises vinylidene fluoride resin as a principal component, wherein the piezoelectric film has a thickness of not more than 300 μm, and an arithmetic mean roughness Ra of not more than 0.050 μm on both sides thereof.
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Inventors:
TERASHIMA HISAAKI (JP)
SATO YUSUKE (JP)
KANNO KAZUYUKI (JP)
AITA KEIKO (JP)
SATO YUSUKE (JP)
KANNO KAZUYUKI (JP)
AITA KEIKO (JP)
Application Number:
PCT/JP2018/023492
Publication Date:
April 04, 2019
Filing Date:
June 20, 2018
Export Citation:
Assignee:
KUREHA CORP (JP)
International Classes:
H01L41/193; G06F3/041; H01L41/257; H01L41/45
Foreign References:
| JP2008171935A | 2008-07-24 | |||
| JP2015111640A | 2015-06-18 | |||
| JP2015111641A | 2015-06-18 | |||
| US20150034237A1 | 2015-02-05 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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