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公开(公告)号：US11676637B2
公开(公告)日：2023-06-13
申请号：US17366039
申请日：2021-07-02
申请人： FUJIFILM Corporation
发明人： Norihito Kasada , Yusuke Kagawa
IPC分类号： G11B5/78 , G11B23/107 , G11B5/592 , G11B15/43 , G11B5/735 , G11B5/714 , G11B5/706 , G11B5/73 , G11B5/733
CPC分类号： G11B23/107 , G11B5/5928 , G11B5/70678 , G11B5/714 , G11B5/73 , G11B5/733 , G11B5/7356 , G11B5/73927 , G11B5/78 , G11B15/43
摘要： The magnetic tape cartridge includes a magnetic tape, and a cartridge reel. In the magnetic tape, a minimum winding deviation occurrence load measured after the magnetic tape is rewound around the cartridge reel by applying a tension of 0.40 N in a longitudinal direction of the magnetic tape is 300 N or less.
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公开(公告)号：US10902875B2
公开(公告)日：2021-01-26
申请号：US16849154
申请日：2020-04-15
申请人： FUJIFILM Corporation
发明人： Yusuke Kagawa , Norihito Kasada , Yuto Murata
IPC分类号： G11B5/78 , G11B23/107 , G11B5/70 , G11B5/73 , G11B5/735
摘要： Provided is a magnetic tape cartridge of a single reel type in which a magnetic tape is wound around a reel, in which the magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, a tape thickness is equal to or smaller than 5.2 μm, a tape width difference (B−A) between a tape width A at a position of 10 m±1 m from a tape outer end and a tape width B at a position of 50 m±1 m from a tape inner end is 2.4 μm to 12.0 μm, and the tape width A and the tape width B are values measured 100 days from the date of magnetic tape cartridge manufacture.
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公开(公告)号：US09932142B2
公开(公告)日：2018-04-03
申请号：US15215611
申请日：2016-07-21
申请人： FUJIFILM CORPORATION
发明人： Yusuke Kagawa , Nobuyuki Kimoto
CPC分类号： B65D5/5415 , B65D5/5405 , B65D5/6608
摘要： A wraparound case comprises: a case main body including a top face panel and a bottom face panel that face each other, a front face panel and a back face panel that face each other, a pair of side face panels that face each other, and an insertion flap that extends out from the top face panel and overlaps with the front face panel; a hinge section that is formed between the top face panel and the back face panel; a slit that is formed along a ridgeline between the top face panel and each of the pair of side face panels; and tear sections that couple a front face panel side and a back face panel side of the top face panel with the pair of side face panels, and that are torn when the top face panel is opened.
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公开(公告)号：US12075211B2
公开(公告)日：2024-08-27
申请号：US17946825
申请日：2022-09-16
申请人： FUJIFILM Corporation
发明人： Teruo Ashikawa , Kazuo Hiraguchi , Yusuke Kagawa , Tetsu Miyoshi
CPC分类号： H04R17/00 , H10N30/50 , H10N30/872 , H10N30/883
摘要： 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.
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公开(公告)号：US11257518B2
公开(公告)日：2022-02-22
申请号：US16825360
申请日：2020-03-20
申请人： FUJIFILM Corporation
发明人： Yuto Murata , Norihito Kasada , Yusuke Kagawa
摘要： Provided is a magnetic tape cartridge of a single reel type in which a magnetic tape is wound around a reel, in which the magnetic tape includes a non-magnetic support and a magnetic layer containing a ferromagnetic powder, and has a tape thickness of 5.3 μm or less, the magnetic layer includes a plurality of servo bands, and a difference (Ginner−Gouter) between a servo band interval Ginner in a range of 49 m to 51 m from a tape inner end and a servo band interval Gouter in a range of 49 m to 51 m from a tape outer end is −3.9 μm to −1.1 μm as a value measured on 100th day from a date of magnetic tape cartridge manufacture.
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公开(公告)号：US10699173B2
公开(公告)日：2020-06-30
申请号：US16525615
申请日：2019-07-30
申请人： FUJIFILM CORPORATION
发明人： Yusuke Kagawa
摘要： A recording tape cartridge includes a case configured by first and second halves being joined to each other first and second peripheral walls are butted against each other and stores a reel, a label surface formed of a first half label surface of the first peripheral wall and a second half label surface of the second peripheral wall on a side opposite to a loading direction of the case to a drive device and that allows a barcode label with a one-dimensional or two-dimensional barcode to be attached thereto, and a reference surface formed on a bottom plate and is used for positioning the case in a thickness direction in a case of being loaded into the drive device. The first or second half label surface is inclined at one degree or more with respect to a vertical plane perpendicular to the reference surface in a side view.
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公开(公告)号：US11895463B2
公开(公告)日：2024-02-06
申请号：US17742193
申请日：2022-05-11
申请人： FUJIFILM Corporation
发明人： Yusuke Kagawa , Teruo Ashikawa , Kazuo Hiraguchi
CPC分类号： H04R17/005 , H04R17/00 , H04R17/025 , H04R2217/01 , H04R2499/11 , H10N30/852 , H10N30/883
摘要： 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：US11270727B2
公开(公告)日：2022-03-08
申请号：US16825534
申请日：2020-03-20
申请人： FUJIFILM Corporation
发明人： Yuto Murata , Norihito Kasada , Yusuke Kagawa
摘要： In the magnetic tape cartridge, a tape has a tape thickness of 5.3 μm or less, and a difference Winner−Wouter between a tape width Winner at a position of 50 m±1 m from a tape inner end and a tape width Wouter at a position of 50 m±1 m from a tape outer end is 4.1 μm to 19.9 μm as a value measured on 100th day from a date of magnetic tape cartridge manufacture, and a difference Ginner−Gouter between a servo band interval Ginner in a range of 49 m to 51 m from the tape inner end and a servo band interval Gouter in a range of 49 m to 51 m from the tape outer end is −3.9 μm to 0.0 μm as a value measured on 100th day from the date of magnetic tape cartridge manufacture.
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公开(公告)号：US20200302964A1
公开(公告)日：2020-09-24
申请号：US16825534
申请日：2020-03-20
申请人： FUJIFILM Corporation
发明人： Yuto MURATA , Norihito Kasada , Yusuke Kagawa
摘要： In the magnetic tape cartridge, a tape has a tape thickness of 5.3 μm or less, and a difference Winner−Wouter between a tape width Winner at a position of 50 m±1 m from a tape inner end and a tape width Wouter at a position of 50 m±1 m from a tape outer end is 4.1 μm to 19.9 μm as a value measured on 100th day from a date of magnetic tape cartridge manufacture, and a difference Ginner−Gouter between a servo band interval Ginner in a range of 49 m to 51 m from the tape inner end and a servo band interval Gouter in a range of 49 m to 51 m from the tape outer end is −3.9 μm to 0.0 μm as a value measured on 100th day from the date of magnetic tape cartridge manufacture.
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公开(公告)号：US10679659B2
公开(公告)日：2020-06-09
申请号：US16281169
申请日：2019-02-21
申请人： FUJIFILM Corporation
发明人： Yusuke Kagawa , Norihito Kasada , Yuto Murata
IPC分类号： G11B5/78 , G11B23/107 , G11B5/70 , G11B5/73 , G11B5/735
摘要： Provided is a magnetic tape cartridge of a single reel type in which a magnetic tape is wound around a reel, in which the magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, a tape thickness is equal to or smaller than 5.2 μm, a tape width difference (B−A) between a tape width A at a position of 10 m±1 m from a tape outer end and a tape width B at a position of 50 m±1 m from a tape inner end is 2.4 μm to 12.0 μm, and the tape width A and the tape width B are values measured 100 days from the date of magnetic tape cartridge manufacture.
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