Title:
ELECTRET SHEET AND PIEZOELECTRIC SENSOR
Document Type and Number:
WIPO Patent Application WO/2020/040301
Kind Code:
A1
Abstract:
The present invention provides an electret sheet that exhibits excellent durability against repeatedly applied compression, that is, exhibits excellent compression recovery, and that is capable of suppressing stuffiness even when used by being adhered to the skin of a person. This electret sheet is characterized by having an air permeability of 10-1,000 sec/100 mL, whereby the electret sheet exhibits excellent durability against repeatedly applied compression, that is, exhibits excellent compression recovery, and suppresses stuffiness even when used by being adhered to the skin of a person.
Inventors:
KATO TETSUHIRO (JP)
KAMIYA NOBUTO (JP)
SHIRASAKA YASUYUKI (JP)
KATSURAYAMA YUUTA (JP)
TAKAHASHI RYOUSUKE (JP)
KAMIYA NOBUTO (JP)
SHIRASAKA YASUYUKI (JP)
KATSURAYAMA YUUTA (JP)
TAKAHASHI RYOUSUKE (JP)
Application Number:
PCT/JP2019/033090
Publication Date:
February 27, 2020
Filing Date:
August 23, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
H01G7/02; H01L41/193
Domestic Patent References:
| WO2015064216A1 | 2015-05-07 |
Foreign References:
| JP2015093167A | 2015-05-18 | |||
| JP2017064338A | 2017-04-06 | |||
| JP2017139469A | 2017-08-10 | |||
| JP2013258320A | 2013-12-26 | |||
| JP2014100868A | 2014-06-05 | |||
| JPS62268568A | 1987-11-21 |
Attorney, Agent or Firm:
YAMAMOTO Takuya (JP)
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