公开(公告)号：US20220238787A1

公开(公告)日：2022-07-28

申请号：US17717226

申请日：2022-04-11

Applicant: FUJIFILM Corporation

Inventor： Yusuke Kagawa ,  Kazuo Hiraguchi

IPC: H01L41/08 ,  H01L41/053 ,  H01L41/047 ,  H01L41/18

Abstract: An object of the present invention is to provide a piezoelectric film capable of preventing a short circuit caused by electrodes protruding from a piezoelectric layer in the piezoelectric film having electrode layers and protective layers on both surfaces of the piezoelectric layer, and a method of producing the piezoelectric film. The object can be achieved by the piezoelectric film that includes a laminated film including a piezoelectric layer, an electrode layer provided on each of both surfaces of the piezoelectric layer, and a protective layer covering the electrode layer, and an insulating end surface coating layer which covers at least a part of an end surface of the laminated film.

公开(公告)号：US08910893B2

公开(公告)日：2014-12-16

申请号：US13851102

申请日：2013-03-27

Applicant: FUJIFILM Corporation

Inventor： Kazuo Hiraguchi

IPC: G11B15/32 ,  G11B23/04

CPC classification number: G11B23/044 ,  G11B23/047

Abstract: There is provided a drive device including: a hub around which a recording tape is wound; a pair of flanges that are provided at both axial direction sides of the hub so as to be able to rotate relative to the hub, and that restrict a position, in a transverse direction, of the recording tape; a connecting member that connects outer peripheral portions of the pair of flanges together at least at a portion other than a traveling path of the recording tape; and a casing having, at an interior, a space in which the hub and the pair of flanges are accommodated and in which the recording tape travels, a fixing portion, that is provided at at least one of the pair of flanges or at the connecting member, being fixed to the casing.

Abstract translation: 提供一种驱动装置，包括：卷绕有记录带的记录盘; 一对凸缘，其设置在所述轮毂的两个轴向侧，以便能够相对于所述轮毂旋转，并限制所述记录带在横向方向上的位置; 将所述一对凸缘的外周部至少在记录带的行进路径以外的部分连接的连接部件; 以及壳体，其在内部具有容纳所述毂和所述一对凸缘的空间，并且所述记录带行进在所述空间中，所述固定部分设置在所述一对凸缘中的至少一个或连接处 构件，固定在外壳上。

公开(公告)号：US11895463B2

公开(公告)日：2024-02-06

申请号：US17742193

申请日：2022-05-11

Applicant: FUJIFILM Corporation

Inventor： Yusuke Kagawa ,  Teruo Ashikawa ,  Kazuo Hiraguchi

IPC: H04R17/00 ,  H04R17/02 ,  H10N30/85 ,  H10N30/88

CPC classification number: H04R17/005 ,  H04R17/00 ,  H04R17/025 ,  H04R2217/01 ,  H04R2499/11 ,  H10N30/852 ,  H10N30/883

Abstract: Provided is a piezoelectric element capable of preventing the occurrence of poor connection to an electrode layer.
A piezoelectric element includes a piezoelectric layer, electrode layers formed on both sides of the piezoelectric layer, and a protective layer laminated on a surface of the electrode layer opposite to a surface on a piezoelectric layer side, in which the piezoelectric element includes a conductive foil laminated on a surface of the protective layer opposite to the electrode layer, the protective layer has a hole that penetrates from a surface to the electrode layer, the conductive foil includes an opening portion at a position that overlaps with the hole of the protective layer in a surface direction, the piezoelectric element includes a filling member consisting of a conductive material, which is formed on at least a part of a surface of the conductive foil from insides of the hole of the protective layer and an opening portion of the conductive foil and is electrically connected to the electrode layer and the conductive foil, and a covering member that covers the filling member and the conductive foil, the covering member has a through-hole at a position that does not overlap with the filling member in the surface direction, and the piezoelectric element includes a conductive member, which is inserted into the through-hole of the covering member and electrically connected to the conductive foil.

公开(公告)号：US09336822B2

公开(公告)日：2016-05-10

申请号：US14307502

申请日：2014-06-18

Applicant: FUJIFILM CORPORATION

Inventor： Kazuo Hiraguchi

IPC: G03B23/02 ,  G11B23/04 ,  G11B23/113

CPC classification number: G11B23/043 ,  G11B23/113

Abstract: A recording tape cartridge of the present invention includes: a reel formed with an engagement portion on a bottom portion of a reel hub; a resin brake member moving toward and away from the bottom portion of the reel hub, and selectively adopting a rotation locked position and a rotation permitted position; a resin release member being capable of movement in a reel axial direction and rotating as a unit with the reel; and a projection portion that projects out in the reel axial direction from an axial center portion of either the brake member or the release member, that is formed with a housing portion housing a spherical member that contacts the other out of the brake member or the release member, and that is formed with a lip portion jutting out from an opening end portion of the housing portion toward a reel radial direction inner side.

Abstract translation: 本发明的记录带盒包括：卷轴，其形成在卷轴毂的底部上的接合部分; 树脂制动构件朝向和远离卷轴毂的底部移动，并且选择性地采用旋转锁定位置和旋转允许位置; 树脂释放构件能够以卷轴轴向移动并作为与卷轴一体的单元旋转; 以及突出部，其从所述制动部件或所述释放部件的轴心部分向卷轴轴向突出，所述突出部形成有容纳部分，所述壳体部容纳与所述制动部件接触的球形部件或所述释放部件 并且形成有从壳体部分的开口端部向卷轴径向内侧突出的唇部。

公开(公告)号：US12075211B2

公开(公告)日：2024-08-27

申请号：US17946825

申请日：2022-09-16

Applicant: FUJIFILM Corporation

Inventor： Teruo Ashikawa ,  Kazuo Hiraguchi ,  Yusuke Kagawa ,  Tetsu Miyoshi

IPC: H04R17/00 ,  H10N30/50 ,  H10N30/87 ,  H10N30/88

CPC classification number: H04R17/00 ,  H10N30/50 ,  H10N30/872 ,  H10N30/883

Abstract: Provided are a laminated piezoelectric element and an electroacoustic transducer capable of obtaining high piezoelectric characteristics and easily ensuring an electric contact to an electrode layer. A plurality of layers of piezoelectric films, each of which is formed by laminating a first protective layer, a first electrode layer, a piezoelectric layer, a second electrode layer, and a second protective layer in this order, are laminated. Each of the piezoelectric layers is polarized in a thickness direction. In each of the piezoelectric films, the first electrode is disposed on an upstream side in a polarization direction of the piezoelectric layer, and the second electrode is disposed on a downstream side. Each of the plurality of piezoelectric films has a cemented portion which is cemented to an adjacent piezoelectric film and a protruding portion which is not cemented to the adjacent piezoelectric film and in which at least the first electrode layer and the first protective layer or the second electrode layer and the second protective layer protrude from the cemented portion toward the outside in a plane direction. At the protruding portion of each of the piezoelectric films, at least one of a first contact, to which the first electrode layers of the piezoelectric films are electrically connected to each other, or a second contact, to which the second electrode layers of the piezoelectric films are electrically connected to each other, is formed.

公开(公告)号：US08955782B2

公开(公告)日：2015-02-17

申请号：US13851103

申请日：2013-03-27

Applicant: FUJIFILM Corporation

Inventor： Kazuo Hiraguchi

IPC: G03B23/02 ,  G11B23/04 ,  G11B23/087 ,  G11B15/60

CPC classification number: G11B23/08757 ,  G11B15/60 ,  G11B23/044 ,  G11B23/047

Abstract: There is provided a tape guiding member including: a hub around which a recording tape is wound or is trained; a flange main body that is provided at the hub, and that restricts a position in a transverse direction of the recording tape; a tape contacting layer that is formed in a shape of a sheet of a material that is different from a material that structures the flange main body, and that is superposed on a surface, at the recording tape side, of the flange main body; and a holding portion that is provided at the flange main body, and covers an outer peripheral edge portion of the tape contacting layer from the recording tape side, and holds the tape contacting layer at the flange main body.

Abstract translation: 提供了一种带引导构件，包括：记录带缠绕或被训练的轮毂; 凸缘主体，其设置在所述轮毂处，并且限制所述记录带的横向方向的位置; 该带接触层形成为与凸缘主体不同的材料的片材的形状，并且叠置在凸缘主体的记录带侧的表面上; 以及保持部，其设置在所述凸缘主体上，并且从所述记录带侧覆盖所述带接触层的外周缘部，并且将所述带接触层保持在所述凸缘主体。