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    STIMULUS-RESPONSIVE GEL MATERIAL
    1.
    发明申请
    STIMULUS-RESPONSIVE GEL MATERIAL 有权
    刺激性凝胶材料

    公开(公告)号：US20150226754A1

    公开(公告)日：2015-08-13

    申请号：US14619527

    申请日：2015-02-11

    申请人： Seiko Epson Corporation

    发明人： Satomi YOSHIOKA ,  Hiroshi YAGI ,  Jiro KATO

    IPC分类号： G01N33/84 ,  G01N31/22

    CPC分类号： G01N33/84 ,  G01N2021/7773

    摘要： A stimulus-responsive gel material includes: a polymeric material containing as constituent components, a first monomer having a chemical structure represented by the following formula (1) and a second monomer having higher hydrophobicity than the first monomer; fine particles having an average particle diameter of 10 nm or more and 1000 nm or less; and a solvent, wherein the wavelength of a reflected light from the material changes according to the concentration of salt to come in contact with the material. In the formula (1), R is a substituent containing at least a carbon atom and a hydrogen atom, and when the number of carbon atoms in R is denoted by n and the number of oxygen atoms in R is denoted by m, n-m is an integer of 3 or more.

    摘要翻译： 刺激响应性凝胶材料包括：含有作为构成成分的聚合物材料，具有由下式（1）表示的化学结构的第一单体和比第一单体具有更高疏水性的第二单体; 平均粒径为10nm以上至1000nm以下的微粒; 和溶剂，其中来自材料的反射光的波长根据盐的浓度而变化以与材料接触。 式（1）中，R为至少含有碳原子和氢原子的取代基，R中的碳原子数为n，R中的氧原子数为m，nm为 3以上的整数。

    Piezoelectric Element
    3.
    发明申请
    Piezoelectric Element 有权

    公开(公告)号：US20220246826A1

    公开(公告)日：2022-08-04

    申请号：US17586951

    申请日：2022-01-28

    申请人： Seiko Epson Corporation

    发明人： Takayuki YONEMURA ,  Jiro KATO

    IPC分类号： H01L41/08 ,  H01L41/193

    摘要： A piezoelectric element includes a piezoelectric layer containing a helical chiral polymer exhibiting piezoelectric properties, a first electrode layer, a second electrode layer, a first coupling portion provided on the first electrode layer, and a second coupling portion provided on the second electrode layer, in which an overlapped portion where the piezoelectric layer, the first electrode layer, and the second electrode layer overlap is circular shaped when viewed along a thickness direction of the piezoelectric layer, and the first coupling portion and the second coupling portion overlap with a center of the overlapped portion when viewed along the thickness direction of the piezoelectric layer.

    LIQUID EJECTING APPARATUS CONTROL METHOD AND LIQUID EJECTING APPARATUS
    5.
    发明申请
    LIQUID EJECTING APPARATUS CONTROL METHOD AND LIQUID EJECTING APPARATUS 有权

    公开(公告)号：US20210094292A1

    公开(公告)日：2021-04-01

    申请号：US17036319

    申请日：2020-09-29

    申请人： SEIKO EPSON CORPORATION

    发明人： Hiromu MIYAZAWA ,  Kinya OZAWA ,  Jiro KATO

    IPC分类号： B41J2/055 ,  B41J2/165 ,  B41J2/185

    摘要： In a method of controlling a liquid ejecting apparatus, where the liquid ejecting apparatus includes a pressure chamber that communicates with a nozzle that ejects a liquid, a drive element that changes a pressure of the liquid in the pressure chamber, and a drive circuit that supplies the drive element with an ejection pulse that generates a change in the pressure that ejects the liquid from the nozzle, the method includes specifying a viscosity of the liquid in the nozzle and a surface tension of the liquid in the nozzle from a residual vibration when the pressure of the liquid in the pressure chamber is changed, and controlling a waveform of the ejection pulse according to the viscosity and the surface tension.

    LIQUID EJECTING APPARATUS CONTROL METHOD AND LIQUID EJECTING APPARATUS
    6.
    发明申请
    LIQUID EJECTING APPARATUS CONTROL METHOD AND LIQUID EJECTING APPARATUS 有权

    公开(公告)号：US20220332108A1

    公开(公告)日：2022-10-20

    申请号：US17810933

    申请日：2022-07-06

    申请人： SEIKO EPSON CORPORATION

    发明人： Hiromu MIYAZAWA ,  Kinya OZAWA ,  Jiro KATO

    IPC分类号： B41J2/055 ,  B41J2/165 ,  B41J2/185

    摘要： In a method of controlling a liquid ejecting apparatus, where the liquid ejecting apparatus includes a pressure chamber that communicates with a nozzle that ejects a liquid, a drive element that changes a pressure of the liquid in the pressure chamber, and a drive circuit that supplies the drive element with an ejection pulse that generates a change in the pressure that ejects the liquid from the nozzle, the method includes specifying a viscosity of the liquid in the nozzle and a surface tension of the liquid in the nozzle from a residual vibration when the pressure of the liquid in the pressure chamber is changed, and controlling a waveform of the ejection pulse according to the viscosity and the surface tension.

    PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC DEVICE
    9.
    发明申请
    PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC DEVICE 有权

    公开(公告)号：US20230006128A1

    公开(公告)日：2023-01-05

    申请号：US17809813

    申请日：2022-06-29

    申请人： SEIKO EPSON CORPORATION

    发明人： Toshiki HARA ,  Takayuki YONEMURA ,  Jiro KATO

    IPC分类号： H01L41/193 ,  H01L41/047 ,  H01L41/45

    摘要： A piezoelectric element includes: a piezoelectric body having a first surface and a second surface that are different from each other; a first electrode provided at the first surface; and a second electrode provided at the second surface. The piezoelectric body contains a helical chiral polymer crystal having an orientation axis as a crystal axis, the orientation axis is uniaxially oriented in a manner of intersecting both the first surface and the second surface, and a degree of orientation of the orientation axis in the piezoelectric body is 0.80 or more.