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Title:
PIEZOELECTRIC FILM
Document Type and Number:
WIPO Patent Application WO/2017/209080
Kind Code:
A1
Abstract:
This piezoelectric film 10 is provided with a laminate of a base film 11 and a coating layer 12 having piezoelectricity. The coating layer 12 having piezoelectricity contains a fluororesin. The fluororesin is a polymer of vinylidene fluoride, or a copolymer of two or more compounds selected from among vinylidene fluoride, trifluoroethylene and chlorotrifluoroethylene. The coating layer 12 having piezoelectricity is obtained by applying a solution of the fluororesin to the base film 11 and drying the solution thereon. This piezoelectric film 10 enables the achievement of a piezoelectric film that has low haze value and high total light transmittance.

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Inventors:
BEPPU HIROSHI (JP)
YANO TAKANOBU (JP)
HAISHI MOTOKI (JP)
KISO NORITOSHI (JP)
NASHIKI TOMOTAKE (JP)
Application Number:
PCT/JP2017/019979
Publication Date:
December 07, 2017
Filing Date:
May 30, 2017
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01L41/193; B32B27/30; C08J7/043; C08J7/046; G01L1/16; G06F3/041; H01L41/113; H01L41/45
Domestic Patent References:
WO2014168188A12014-10-16
WO2015053345A12015-04-16
Foreign References:
JP2015215734A2015-12-03
JP2015214053A2015-12-03
US20130062998A12013-03-14
Attorney, Agent or Firm:
KUSUMOTO Takayoshi et al. (JP)
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