公开(公告)号：EP3057147A1

公开(公告)日：2016-08-17

申请号：EP14866170.5

申请日：2014-11-10

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: H01L41/193 ,  C08G63/06 ,  H01L41/33 ,  H01L41/45

CPC classification number: H01L41/193 ,  C08G63/06 ,  H01L41/333 ,  H01L41/45

Abstract: There is provided a polymeric piezoelectric material including a helical chiral polymer (A) having a weight-average molecular weight of from 50,000 to 1,000,000 and an optical purity of more than 97.0%ee but less than 99.8%ee as calculated by the following formula, in which a piezoelectric constant d 14 measured at 25°C by a stress-charge method is 1pC/N or more: optical purity % ee = 100 × L − form amount − D − form amount / L − form amount + D − form amount , [in which an amount of L-form (% by mass) and an amount of D-form of an optically active polymer (% by mass) are values obtained by a method using high-performance liquid chromatography (HPLC)].

Abstract translation: 提供了一种聚合物压电材料，其包括重均分子量为50,000-100,000的螺旋手性聚合物（A）和通过下式计算的光学纯度大于97.0％ee但小于99.8％ee， 其中通过应力充电法在25℃下测得的压电常数d 14为1pC / N以上：光学纯度％ee = 100×L'形式量'D'形式量/ L'形式量 + D'形式的量，其中L型（质量％）的量和D型光学活性聚合物的量（质量％）是通过使用高效液相色谱法的方法获得的值 （HPLC）]。

公开(公告)号：EP3020549A1

公开(公告)日：2016-05-18

申请号：EP14840902.2

申请日：2014-08-29

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: B32B27/36 ,  B32B7/02 ,  C08L67/04 ,  H01L41/083 ,  H01L41/193

CPC classification number: H01L41/193 ,  B32B27/08 ,  B32B27/18 ,  B32B27/36 ,  B32B2307/306 ,  B32B2307/704 ,  B32B2307/718 ,  B32B2307/7246 ,  B32B2457/00 ,  H01L41/0533 ,  H01L41/45

Abstract: A layered body including a polymeric piezoelectric body which includes an optically active aliphatic polyester (A) having a weight average molecular weight of from 50,000 to 1,000,000 and has crystallinity obtained by a DSC method, of from 20% to 80%, and a layer (X) which is in contact with the polymeric piezoelectric body and has an acid value of 10 mg KOH/g or less.

Abstract translation: 包含高分子压电体的层状体，该高分子压电体含有重均分子量为5万〜100万的光学活性脂肪族聚酯（A），通过DSC法得到的结晶性为20〜80％，层（ X），其与高分子压电体接触，酸值为10mgKOH / g以下。

公开(公告)号：EP3006972A1

公开(公告)日：2016-04-13

申请号：EP14820658.4

申请日：2014-06-17

Applicant: Mitsui Chemicals, Inc.

Inventor： SATO, Keisuke ,  TANIMOTO, Kazuhiro

IPC: G02B5/30 ,  C08J5/18 ,  H01L41/193

CPC classification number: C08G63/08 ,  B29C55/04 ,  C08J5/18 ,  C08J2367/04 ,  G02B5/3083 ,  H01L41/193

Abstract: A film having a molecular orientation; having an absolute difference ΔRe between the maximum and minimum retardations Re of 100 nm or less in a case wherein the retardations Re are measured at every 0.8 mm along a measured length of 10 mm centered at the center of a principal plane of the film and at a wavelength of 550 nm; and having an average Re (ave) of the retardations Re in a range of from 700 nm to 900 nm or in a range of from 1250 nm to 1450 nm.

Abstract translation: 具有分子取向的膜; 在以膜的主平面的中心为中心的测量长度为10mm的每0.8mm测量延迟值Re的情况下，在最大和最小延迟Re之间具有绝对差“Re”为100nm以下， 波长为550nm; 并且具有在700nm至900nm范围内或1250nm至1450nm范围内的延迟Re的平均Re（ave）。

公开(公告)号：EP3505892A1

公开(公告)日：2019-07-03

申请号：EP17856009.0

申请日：2017-09-22

Applicant: Mitsui Chemicals, Inc.

Inventor： YOSHIDA, Mitsunobu ,  TANIMOTO, Kazuhiro ,  MITSUZUKA, Masahiko

IPC: G01L1/16 ,  H01L41/053 ,  H01L41/087 ,  H01L41/113 ,  H01L41/193

Abstract: A piezoelectric substrate attachment structure including a cable-shaped piezoelectric substrate, a press section provided adjacent to the piezoelectric substrate and pressed from an opposite side from the piezoelectric substrate, and a base section provided adjacent to the piezoelectric substrate on an opposite side from the press section. A ratio Eb/Ea of a Young's modulus Eb of the base section to a Young's modulus Ea of the press section being 10 -1 or lower.

公开(公告)号：EP3035022B1

公开(公告)日：2018-05-09

申请号：EP14853064.5

申请日：2014-09-25

Applicant: Mitsui Chemicals, Inc. ,  Murata Manufacturing Co., Ltd.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo ,  ANDO, Masamichi ,  KANO, Hidekazu

IPC: G01L1/16 ,  G06F3/041 ,  H01L41/113 ,  H01L41/193 ,  H01L41/45

CPC classification number: G01L1/16 ,  G06F3/0414 ,  G06F2203/04105 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/45

Abstract: A pressure-sensing device including a pressed component that has a contact surface to which pressure is applied by contact from a presser; a polymeric piezoelectric element that is disposed at an opposite side from the contact surface of the pressed component and that has a piezoelectric constant d 14 of 1 pC/N or more as measured at 25°C using a stress-charge method; a curable resin layer that includes at least one selected from the group consisting of cold-setting resins, thermosetting resins, and actinic radiation-curable resins and that is in contact with at least part of a surface of the polymeric piezoelectric element; and an electrode that is in contact with at least part of a surface of the polymeric piezoelectric element or of a surface of the curable resin layer.

公开(公告)号：EP3216596A1

公开(公告)日：2017-09-13

申请号：EP15869803.5

申请日：2015-12-02

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: B32B7/02 ,  B32B27/18 ,  B32B27/36 ,  H01L41/193

CPC classification number: B32B7/02 ,  B32B27/18 ,  B32B27/36 ,  H01L41/193

Abstract: A layered body including: a crystalline polymeric piezoelectric body having a standardized molecular orientation MORc of from 2.0 to 10.0 measured by a microwave transmission-type molecular orientation meter based on a reference thickness of 50 µm; and a surface layer which is disposed so that at least a part of the surface layer contacts the crystalline polymeric piezoelectric body, which has a surface resistivity of from 1×10 6 Ω/sq to 1×10 12 Ω/sq, and which contains an electroconductive material (A) and a polymer (B).

Abstract translation: 一种层叠体，其特征在于，具有：基于50μm的基准厚度，利用微波透过型分子取向仪测定的标准化分子取向MORc为2.0〜10.0的结晶性高分子压电体; 以及表面层，所述表面层被设置为使得所述表面层的至少一部分接触所述结晶聚合物压电体，所述结晶聚合物压电体具有1×10 6Ω/ sq至1×10 12Ω/ sq的表面电阻率，并且包含导电性 材料（A）和聚合物（B）。

公开(公告)号：EP3007041A1

公开(公告)日：2016-04-13

申请号：EP14804556.0

申请日：2014-05-14

Applicant: Murata Manufacturing Co., Ltd. ,  Mitsui Chemicals, Inc.

Inventor： ANDO, Masamichi ,  TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: G06F3/041 ,  G02B5/30 ,  G02F1/1333 ,  G02F1/1335 ,  G09F9/00

CPC classification number: G06F3/0414 ,  G02B5/3025 ,  G02F1/133528 ,  G02F2001/133531 ,  G06F2203/04103 ,  G09F9/00

Abstract: An electronic device with pressing input function (1) has a substantially rectangular parallelepiped-shaped housing (50). A display panel with pressure sensor (10) and an arithmetic circuit module (60) are disposed in a housing (50). The display panel with pressure sensor (10) is composed of a pressure sensor (20) and a display panel (30). In the display panel (30), a front polarizing plate (302) is disposed on a front face of a liquid crystal panel (301). In the pressure sensor (20), electrodes (202, 203) are formed on both respective flat plate faces of a piezoelectric film (201) having birefringence. The pressure sensor (20) is disposed between the liquid crystal panel (301) and the front polarizing plate (302) of the display panel (30), and a uniaxial drawing direction (900) of the piezoelectric film (201) is parallel to a polarizing direction (910) of the front polarizing plate (302).

公开(公告)号：EP3647753A1

公开(公告)日：2020-05-06

申请号：EP18844138.0

申请日：2018-08-03

Applicant: Mitsui Chemicals, Inc.

Inventor： ONISHI, Katsuki ,  TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu

IPC: G01L1/16 ,  G01L5/00

Abstract: A sensor module 10 that includes a holding member 20 formed of an elastic body, a pressure bearing face 22 provided at the holding member 20 and configured to bear pressure, an adjoining face 24 provided at the holding member 20 so as to adjoin the pressure bearing face 22 and configured to undergo deformation in accordance with the pressure borne by the pressure bearing face 22, and an elongate piezoelectric substrate 12 arranged on the adjoining face 24.

公开(公告)号：EP3502641A1

公开(公告)日：2019-06-26

申请号：EP17856010.8

申请日：2017-09-22

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  MITSUZUKA, Masahiko ,  YOSHIDA, Mitsunobu

IPC: G01L1/16 ,  H01L41/053 ,  H01L41/087 ,  H01L41/113 ,  H01L41/193

Abstract: A piezoelectric substrate attachment structure including a press section pressed by contact, a piezoelectric substrate provided adjacent to the press section, and a base section provided adjacent to the piezoelectric substrate on an opposite side from the press section. The following relationship Equation (a) is satisfied: da / E ′ a db / E ′ b wherein da is a thickness of the press section in a direction of adjacency to the piezoelectric substrate, E'a is a storage modulus of the press section from dynamic viscoelastic analysis, db is a thickness of the base section in the adjacency direction, and E'b is a storage modulus of the base section from dynamic viscoelastic analysis.

公开(公告)号：EP2998716B1

公开(公告)日：2018-07-04

申请号：EP14797906.6

申请日：2014-05-16

Applicant: Mitsui Chemicals, Inc. ,  Murata Manufacturing Co., Ltd.

Inventor： YOSHIDA, Mitsunobu ,  TANIMOTO, Kazuhiro ,  NISHIKAWA, Shigeo

IPC: G01L1/16 ,  C08L67/04 ,  G06F3/041 ,  H01L41/113 ,  H01L41/193

CPC classification number: G06F3/0414 ,  C08L67/04 ,  G01L1/16 ,  G06F3/041 ,  G06F2203/04105 ,  H01L41/1132 ,  H01L41/193

Abstract: The invention provides a pressure detecting device containing a pressurized member having a contact surface that is subjected to pressure due to contact with a pressurizing means; and a piezoelectric member that is arranged facing the pressurized member and that includes a polymeric piezoelectric material having a piezoelectric constant d 14 of 1 pm/V or more as measured by a displacement method at 25°C, and a ratio IEb/IEa between a product IEb of a cross-sectional secondary moment Ib and a Young's modulus Eb of the pressurized member, and a product IEa of a cross-sectional secondary moment Ia and a Young's modulus Ea of the piezoelectric member, is in a range of from 10 2 to 10 10 .