公开(公告)号：US20160238466A1

公开(公告)日：2016-08-18

申请号：US15026050

申请日：2014-09-25

Applicant: MITSUI CHEMICALS, INC. ,  Murata Manufacturing Co., Ltd

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

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

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 d14 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.

Abstract translation: 一种压力感测装置，包括：受压部件，其具有通过压接机接触而施加压力的接触面; 设置在与所述被按压部件的接触面相反侧的聚合物压电元件，并且使用应力充电法在25℃下测定的压电常数d14为1pC / N以上。 可固化树脂层，其包含选自冷固树脂，热固性树脂和光化学辐射固化树脂中的至少一种，并且与聚合物压电元件的表面的至少一部分接触; 以及与聚合物压电元件的表面的至少一部分或可固化树脂层的表面接触的电极。

公开(公告)号：US20150337113A1

公开(公告)日：2015-11-26

申请号：US14819663

申请日：2015-08-06

Applicant: Mitsui Chemicals, Inc.

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

IPC: C08K5/29 ,  B29C55/04 ,  B29C71/02

CPC classification number: H01L41/193 ,  B29C55/04 ,  B29C71/02 ,  B29C2071/022 ,  B29D7/01 ,  B29K2067/046 ,  B29K2995/004 ,  C08G63/02 ,  C08G63/06 ,  C08G63/08 ,  C08J5/18 ,  C08J7/08 ,  C08J2367/04 ,  C08K5/29 ,  C08L67/04 ,  H01L41/0478 ,  H01L41/18 ,  H01L41/22 ,  H01L41/33 ,  H01L41/35 ,  H01L41/45 ,  C08L79/00

Abstract: A polymeric piezoelectric material is provided that includes an aliphatic polyester (A) with a weight-average molecular weight of from 50,000 to 1,000,000 and having optical activity, and a stabilizing agent (B) with a weight-average molecular weight of from 200 to 60,000 having at least one kind of functional group selected from the group consisting of a carbodiimide group, an epoxy group and an isocyanate group, wherein the crystallinity of the material obtained by a DSC method is from 20% to 80%, a content of the stabilizing agent (B) is from 0.01 part by mass to 10 parts by mass with respect to 100 parts by mass of the aliphatic polyester (A), and internal haze with respect to visible light is 50% or less, as well as a process for producing the same.

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至1,000,000的具有光学活性的脂族聚酯（A）和具有200至60,000重均分子量的稳定剂（B） 具有选自碳二亚胺基，环氧基和异氰酸酯基的至少一种官能团，其中通过DSC法获得的材料的结晶度为20％至80％，稳定化的含量 相对于100质量份脂肪族聚酯（A），试剂（B）的含量为0.01质量份〜10质量份，相对于可见光的内部雾度为50％以下， 生产相同。

公开(公告)号：US20200020846A1

公开(公告)日：2020-01-16

申请号：US16335564

申请日：2017-09-22

Applicant: Mitsui Chemicals, Inc.

Inventor： Kazuhiro TANIMOTO ,  Masahiko MITSUZUKA ,  Mitsunobu YOSHIDA

IPC: H01L41/087 ,  H01L41/053 ,  H01L41/113 ,  H01L41/193 ,  G01L1/16 ,  F16F7/00 ,  A41D13/06 ,  A41D1/00

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

公开(公告)号：US20190003905A1

公开(公告)日：2019-01-03

申请号：US16064810

申请日：2016-12-22

Applicant: Mitsui Chemicals, Inc.

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

IPC: G01L1/16 ,  H01L41/087 ,  H01L41/09 ,  H01L41/113 ,  H01L41/193

Abstract: Provided is a piezoelectric substrate including: an elongate conductor; and an elongate first piezoelectric material helically wound in one direction around the conductor, in which the first piezoelectric material includes an optically active helical chiral polymer (A), the lengthwise direction of the first piezoelectric material and the principal orientation direction of the helical chiral polymer (A) included in the first piezoelectric material are substantially parallel to each other, and the first piezoelectric material has an orientation degree of F in a range of from 0.5 to less than 1.0, determined from X-ray diffraction measurement by the following Formula (a): orientation degree F.=(180°−α)/180°  (a) (in Formula (a), α represents a half width of a peak derived from orientation).

公开(公告)号：US20180315917A1

公开(公告)日：2018-11-01

申请号：US15763801

申请日：2016-09-05

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kazuhiro TANIMOTO ,  Katsuki ONISHI ,  Yuzo NAKAMURA

IPC: H01L41/193 ,  D03D1/00 ,  C08J5/18 ,  H01L41/047 ,  H01L41/053 ,  H01L41/08 ,  H01L41/45 ,  A41D31/00

CPC classification number: B32B7/02 ,  B32B27/00 ,  B32B27/36 ,  D03D1/00 ,  D03D15/02 ,  H01L41/09 ,  H01L41/113 ,  H01L41/193 ,  H01L41/338 ,  H01L41/45

Abstract: Provided is: an elongated plate-form piezoelectric body, which contains an optically active helical chiral polymer (A) having a weight-average molecular weight of from 50,000 to 1,000,000 and has an elongated plate shape having a thickness of from 0.001 mm to 0.2 mm, a width of from 0.1 mm to 30 mm and a width-to-thickness ratio of 2 or higher, and in which the lengthwise direction and the main orientation direction of the helical chiral polymer (A) are substantially parallel to each other; the crystallinity measured by a DSC method is from 20% to 80%; and the birefringence is from 0.01 to 0.03.

公开(公告)号：US20160099403A1

公开(公告)日：2016-04-07

申请号：US14779399

申请日：2014-04-09

Applicant: MITSUI CHEMICALS, INC.

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

IPC: H01L41/193

CPC classification number: H01L41/193 ,  B32B27/08 ,  B32B27/308 ,  B32B27/36 ,  B32B2307/20 ,  B32B2307/51 ,  B32B2307/54 ,  B32B2307/704 ,  B32B2457/20 ,  B32B2457/202

Abstract: A layered body including a crystalline polymeric piezoelectric body, which is molecularly oriented, and a surface layer, in which the relationship between the tensile modulus Ec (GPa) and the thickness d (μm) satisfies the following Formula (A): 0.6≦Ec/d   Formula (A).

Abstract translation: 包含分子取向的结晶聚合物压电体的层叠体和表面层，其中拉伸弹性模量Ec（GPa）与厚度d（μm）之间的关系满足下式（A）：0.6＆lt; 1lE; Ec / d公式（A）。

公开(公告)号：US20200058844A1

公开(公告)日：2020-02-20

申请号：US16348590

申请日：2017-11-17

Applicant: Mitsui Chemicals, Inc.

Inventor： Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA ,  Katsuki ONISHI

IPC: H01L41/193 ,  H01L41/09 ,  G01L1/16 ,  H01L41/113 ,  H01L41/45

Abstract: Provided is a piezoelectric substrate, containing an elongate piezoelectric body that is helically wound, in which the piezoelectric body includes an optically active polypeptide, a length direction of the piezoelectric body and a main orientation direction of the optically active polypeptide included in the piezoelectric body are substantially parallel to each other, and the piezoelectric body has a degree of orientation F of from 0.50 to less than 1.00, as determined from X-ray diffraction measurement by the following Formula (a): Degree of orientation F=(180°−α)/180°  (a) in Formula (a), α represents a half width (°) of a peak derived from orientation.

公开(公告)号：US20190214542A1

公开(公告)日：2019-07-11

申请号：US16335513

申请日：2017-09-22

Applicant: Mitsui Chemicals, Inc.

Inventor： Mitsunobu YOSHIDA ,  Kazuhiro TANIMOTO ,  Masahiko MITSUZUKA

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

CPC classification number: H01L41/087 ,  G01L1/16 ,  H01L41/053 ,  H01L41/113 ,  H01L41/1132 ,  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：US20180022895A1

公开(公告)日：2018-01-25

申请号：US15550154

申请日：2016-01-28

Applicant: MITSUI CHEMICALS, INC.

Inventor： Keisuke SATO ,  Katsuki ONISHI ,  Hiroaki TSUSHIMA ,  Kazuhiro TANIMOTO ,  Toshihisa KITAGAWA

IPC: C08K5/29 ,  H01L41/193 ,  H01L41/45 ,  C08L67/04

Abstract: A polymeric piezoelectric film, including a helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, in which, in the film: a crystallinity given by a DSC method is from 20% to 80%; a standardized molecular orientation MORc is from 3.5 to 15.0 when a reference thickness measured by a microwave transmission-type molecular orientation meter is 50 μm; and when a direction parallel to a phase difference streak is a direction X, a direction perpendicular to the direction X and parallel to a main plane of a film is a direction Y, and the phase difference streak is evaluated by an evaluation method A, per a length of 1,000 mm in the direction Y, a number of phase difference streaks with an evaluation value of 60 or more is 0, and a sum of the evaluation values of phase difference streaks with an evaluation value of 20 or more is 1000 or less.

公开(公告)号：US20170250336A1

公开(公告)日：2017-08-31

申请号：US15320434

申请日：2015-06-24

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kazuhiro TANIMOTO ,  Mitsunobu YOSHIDA ,  Shigeo NISHIKAWA

IPC: H01L41/193 ,  B32B27/08 ,  B32B27/36 ,  C08J7/12 ,  H01L41/45 ,  C08G63/06 ,  C08J5/18 ,  B32B7/12 ,  H01L41/083

CPC classification number: H01L41/193 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B2250/244 ,  B32B2255/10 ,  B32B2307/20 ,  B32B2457/00 ,  C08G63/06 ,  C08J5/18 ,  C08J7/123 ,  C08J2367/04 ,  H01L41/083 ,  H01L41/253 ,  H01L41/335 ,  H01L41/45

Abstract: A polymeric piezoelectric material, comprising at least two regions: a region H, which is an oriented polymeric piezoelectric region that includes an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, the region H having a crystallinity of from 20% to 80% and having a standardized molecular orientation-of from 3.5 to 15.0; and a region L, which is a low orientation region that includes the optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, the region L being present near at least part of an end portion of the region H, having an average width when viewed from a normal direction with respect to the principal plane of the region H of from 10 μm to 300 μm, and having a retardation is 100 nm or less.