公开(公告)号：US20240114801A1

公开(公告)日：2024-04-04

申请号：US18458127

申请日：2023-08-29

Applicant: FUJIFILM CORPORATION

Inventor： Seigo NAKAMURA ,  Hiroyuki KOBAYASHI ,  Shinya SUGIMOTO ,  Tsutomu SASAKI

IPC: H10N30/853 ,  H10N30/06 ,  H10N30/20 ,  H10N30/88

CPC classification number: H10N30/8554 ,  H10N30/06 ,  H10N30/2047 ,  H10N30/883

Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb at an A site and containing Zr, Ti, and M at a B site as a main component, an M composition ratio in the first piezoelectric film is different from an M composition ratio in the second piezoelectric film, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.

公开(公告)号：US20240023452A1

公开(公告)日：2024-01-18

申请号：US18338351

申请日：2023-06-21

Applicant: FUJIFILM CORPORATION

Inventor： Hiroyuki KOBAYASHI ,  Seigo NAKAMURA

IPC: H10N30/853 ,  H10N30/00

CPC classification number: H10N30/8554 ,  H10N30/10516

Abstract: Regarding the piezoelectric laminate and the piezoelectric element, in the piezoelectric laminate including, on a substrate, a lower electrode layer and a piezoelectric film in this order, a seed layer consisting of a conductive oxide is provided between the lower electrode layer and the piezoelectric film, and the piezoelectric film contains a perovskite-type oxide represented by General Formula I,


Pb1-y2+αAy2{(Ti,Zr)1-x-y1NbxB1y1}O3  General Formula I



here, A is an A site element, where it is one or more elements including at least La, B1 is a B site element, which is one or more divalent or trivalent elements, O is an oxygen element, and x, y1, y2, and α satisfy 0.05

公开(公告)号：US20230270014A1

公开(公告)日：2023-08-24

申请号：US18167151

申请日：2023-02-10

Applicant: FUJIFILM Corporation

Inventor： Fumihiko MOCHIZUKI ,  Hiroyuki KOBAYASHI ,  Akihiro MUKAIYAMA

IPC: H10N30/853 ,  H10N30/20

CPC classification number: H10N30/8554 ,  H10N30/2047

Abstract: There is provided a piezoelectric laminate including, in the following order, a lower electrode layer and a piezoelectric film containing a Pb-containing perovskite-type oxide, in which the piezoelectric film contains an oxygen atom 18O having a mass number of 18 in oxygen as a constituent element in excess of a natural abundance ratio. There are also provided a piezoelectric laminate, a piezoelectric element, and a manufacturing method for a piezoelectric laminate.

公开(公告)号：US20230098590A1

公开(公告)日：2023-03-30

申请号：US17894863

申请日：2022-08-24

Applicant: FUJIFILM Corporation

Inventor： Seigo NAKAMURA ,  Hiroyuki KOBAYASHI

IPC: H01L41/047 ,  H01L41/08 ,  H01L41/187

Abstract: A piezoelectric laminate and a piezoelectric element have, on a substrate in the following order, a lower electrode layer and a piezoelectric film containing a perovskite-type oxide. The lower electrode layer includes a second layer arranged in a state of being in contact with the piezoelectric film and includes a first layer arranged on a side of the second layer from the substrate, where the first layer contains one or more of W, Mo, Nb, and Ta, as a main component, and the second layer contains Ir as a main component, where the thickness of the second layer is 50 nm or less.

公开(公告)号：US20180361363A1

公开(公告)日：2018-12-20

申请号：US16109511

申请日：2018-08-22

Applicant: FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process

Inventor： Hiroyuki KOBAYASHI

IPC: B01J23/847 ,  B01J35/02 ,  C01B3/04 ,  C25B1/04 ,  C25B13/04 ,  C25B1/00

CPC classification number: B01J23/847 ,  B01J35/004 ,  B01J35/02 ,  C01B3/04 ,  C01B3/042 ,  C01B13/0207 ,  C25B1/003 ,  C25B1/04 ,  C25B9/00 ,  C25B13/04

Abstract: An artificial photosynthesis module includes an oxygen generation electrode having a first photocatalyst layer that decomposes water with light to generate oxygen, and has a first substrate, a first conductive layer, a first photocatalyst layer, and a first co-catalyst, and a hydrogen generation electrode that decomposes water with light to generate hydrogen and has a second substrate, a second conductive layer, a second photocatalyst layer, and a second co-catalyst. This provides an artificial photosynthesis module with high reaction efficiency.

公开(公告)号：US20180290129A1

公开(公告)日：2018-10-11

申请号：US16005038

申请日：2018-06-11

Applicant: FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process

Inventor： Hiroyuki KOBAYASHI

IPC: B01J27/045 ,  B01J35/02 ,  C01B3/04 ,  C25B1/04 ,  C25B9/16 ,  C25B11/04 ,  H01L31/0216

CPC classification number: B01J27/045 ,  B01J35/02 ,  C01B3/04 ,  C25B1/04 ,  C25B9/00 ,  C25B9/16 ,  C25B11/04 ,  H01L31/02161 ,  Y02E60/364 ,  Y02E60/366

Abstract: A photocatalyst electrode decomposes water with light to generate gas. The photocatalyst electrode has a laminate including a substrate, a conductive layer provided on a surface of the substrate, and a photocatalyst layer provided on a surface of the conductive layer, and a first co-catalyst electrically connected to the photocatalyst layer. The light is incident from the surface side of the photocatalyst layer of the laminate, and in a case where a region where the light is incident on the surface of the photocatalyst layer and above the surface is defined as a first region and the region other than the first region is defined as a second region, the first co-catalyst is provided at least in the second region. The first co-catalyst and the photocatalyst layer are electrically connected to each other by at least one of a transparent conductive layer provided on the surface of the photocatalyst layer or a wiring line.

公开(公告)号：US20180195187A1

公开(公告)日：2018-07-12

申请号：US15914731

申请日：2018-03-07

Applicant: FUJIFILM Corporation ,  Japan Technological Research Association of Artificial Photosynthetic Chemical Process ,  THE UNIVERSITY OF TOKYO

Inventor： Kazunari DOMEN ,  Tsutomu MINEGISHI ,  Atsushi OHNISHI ,  Koichiro UEDA ,  Chisato KATAYAMA ,  Hiroyuki KOBAYASHI

IPC: C25B11/04 ,  C25B1/04

CPC classification number: C25B11/0405 ,  C25B1/003 ,  C25B1/04 ,  C25B9/06 ,  C25B11/0452 ,  Y02E60/366

Abstract: Provided are a photocatalyst electrode for oxygen generation exhibiting a satisfactory onset potential, and a module including this photocatalyst electrode. The photocatalyst electrode for oxygen generation includes a current collector layer; a photocatalyst on the current collector layer; and a promoter supported on at least a portion of the photocatalyst, in which the promoter contains a first metal oxide having an oxygen generation overvoltage of 0.4 V or lower, and a second metal oxide having an oxygen generation overvoltage of higher than 0.4 V.

公开(公告)号：US20170185187A1

公开(公告)日：2017-06-29

申请号：US15418844

申请日：2015-05-18

Applicant: FUJIFILM Corporation

Inventor： Masaya NAKAYAMA ,  Hiroshige NAKAMURA ,  Hiroyuki KOBAYASHI

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04102 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: Provided is a conductive film for a touch panel including: a flexible transparent resin substrate having a thickness equal to or smaller than 40 μm; a plurality of detection electrodes which are formed on at least one surface of the resin substrate; a plurality of peripheral wirings which are formed on at least one surface of the resin substrate and respectively connected to the plurality of detection electrodes; and a plurality of external connection terminals which are formed on at least one surface of the resin substrate and respectively connected to the plurality of peripheral wirings, in which the plurality of external connection terminals are arranged such that adjacent external connection terminals are separated from each other by a distance between terminals of 100 μm to 200 μm with a pitch equal to or smaller than 500 μm, and respectively have a terminal width equal to or greater than the distance between terminals.

公开(公告)号：US20170052639A1

公开(公告)日：2017-02-23

申请号：US15337416

申请日：2016-10-28

Applicant: FUJIFILM Corporation

Inventor： Hiroyuki KOBAYASHI

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: A touch panel 10 includes a first electrode-side terminal portion 42A that is electrically connected to an upper detection electrode 36A. The first electrode-side terminal portion 42A includes a first resin layer 44a which is provided on a first substrate 34A and in which a first terminal groove 54a is formed and a first conductive material 48a which fills the first terminal groove 54a. A flexible print substrate 28 which is a circuit board is stacked on the first electrode-side terminal portion 42A through an anisotropic conductive film 60 including a conductive ball 61. A film including the conductive ball 61, of which the average diameter x has a predetermined relationship with the dimensions a of the first terminal groove 54a in a width direction and the depth c of a space 64 formed in the first terminal groove 54a, is selected as the anisotropic conductive film 60.

Abstract translation: 触摸屏10包括电连接到上检测电极36A的第一电极侧端子部分42A。 第一电极侧端子部42A包括设置在第一基板34A上并且形成有第一端子槽54a的第一树脂层44a和填充第一端子槽54a的第一导电材料48a。 作为电路板的柔性印刷基板28通过包括导电球61的各向异性导电膜60堆叠在第一电极侧端子部42A上。包括导电球61的膜，平均直径x具有预定的 与第一端子槽54a的宽度方向的尺寸a和形成在第一端子槽54a中的空间64的深度c的关系被选择为各向异性导电膜60。