公开(公告)号：US20210375314A1

公开(公告)日：2021-12-02

申请号：US17401326

申请日：2021-08-13

申请人： The University of Tokyo ,  OSAKA UNIVERSITY ,  FUJIFILM Corporation

发明人： Shin-ichi OHKOSHI ,  Marie YOSHIKIYO ,  Kenta IMOTO ,  Kosuke NAKAGAWA ,  Asuka NAMAI ,  Hiroko TOKORO ,  Makoto NAKAJIMA ,  Masashi SHIRATA ,  Kenji NAOI

IPC分类号： G11B11/105 ,  G11B5/706

摘要： Provided is a recording device. The recording device includes: an external magnetic field application unit that is configured to apply an external magnetic field to a magnetic recording medium; a light irradiation unit that is configured to irradiate light; and a light focusing unit that is configured to focus the light from the light irradiation unit by resonating the light to generate an enhanced magnetic field in which a magnetic field of the light is enhanced, in which magnetization of the magnetic recording medium is inverted by applying the external magnetic field and the enhanced magnetic field to the magnetic recording medium.

公开(公告)号：US20140110638A1

公开(公告)日：2014-04-24

申请号：US14143983

申请日：2013-12-30

申请人： Fujifilm Corporation

发明人： Nori MIYAGISHIMA ,  Shinichi NAKAHIRA ,  Kenji NAOI

IPC分类号： C09D5/24 ,  H01B1/02 ,  H01B13/00

CPC分类号： C09D5/24 ,  B82Y30/00 ,  C08K7/06 ,  C08K2201/011 ,  C09D5/028 ,  C09D7/70 ,  G06F3/041 ,  G06F2203/04103 ,  G06F2203/04112 ,  H01B1/02 ,  H01B13/0036

摘要： The method for manufacturing a conductive film includes cleaning a metal nanowire dispersion, which contains metal nanowires with an average short axis length of 150 nm or less as metal particles and a dispersing agent by performing ultrafiltration using an ultrafiltration film, and coating a coating liquid for forming a conductive film, which contains the metal nanowire dispersion after cleaning, onto a support, where the content ({mass of the dispersing agent/(mass of all metal particles+mass of the dispersing agent)}×100) of the dispersing agent in the metal nanowire dispersion after cleaning is 3.2 mass % or more.

摘要翻译： 制造导电膜的方法包括通过使用超滤膜进行超滤来清洗含有平均短轴长度为150nm以下的金属纳米线作为金属颗粒的金属纳米线分散体和分散剂，并且涂覆用于 在载体上形成含有金属纳米线分散体的导电膜，其中分散剂的含量（{分散剂的质量/（所有金属颗粒的质量+分散剂的质量）}×100） 在清洗后的金属纳米线分散体中为3.2质量％以上。

公开(公告)号：US20140034360A1

公开(公告)日：2014-02-06

申请号：US14049379

申请日：2013-10-09

申请人： FUJIFILM Corporation

发明人： Satoshi TANAKA ,  Kenji NAOI ,  Shinichi NAKAHIRA ,  Kenichi YAMAMOTO

IPC分类号： H05K1/02 ,  H05K3/10

CPC分类号： H05K1/02 ,  H01B1/124 ,  H01B1/22 ,  H01L31/022466 ,  H01L31/022491 ,  H01L31/1884 ,  H05K1/0201 ,  H05K1/0283 ,  H05K1/095 ,  H05K3/02 ,  H05K3/10 ,  H05K2201/026 ,  H05K2203/0514 ,  Y02E10/50

摘要： A conductive member containing: a base material; a conductive layer provided on the base material, wherein the conductive layer includes a metallic nanowire having an average short axis length of 150 nm or less and a matrix; and a protective layer including a three-dimensional crosslinked structure represented by the following Formula (I), sequentially in this order, and which has a surface resistivity measured at a surface of the protective layer of 1,000 Ω/□ or less, a production method of the conductive member, and a touch panel and a solar cell, each of which uses the conductive member. The conductive member may provide high resistance against scratches and abrasion, excellent conductivity, excellent transparency, excellent heat resistance, excellent moisture and heat resistance, and excellent bendability. -M1-O-M1-  Formula (I): In the Formula (I), M1 represents an element selected from the group consisting of Si, Ti Zr and Al.

摘要翻译： 一种导电构件，包括：基材; 设置在所述基材上的导电层，其中所述导电层包括平均短轴长度为150nm以下的金属纳米线和基体; 以及包含下述式（I）所示的三维交联结构的保护层，依次是依次具有在1000Ω/□以下的保护层的表面上测得的表面电阻率的制造方法 的导电构件，以及触摸面板和太阳能电池，其中每个都使用导电构件。 导电构件可以提供高的耐划痕和磨损性，优异的导电性，优异的透明性，优异的耐热性，优异的耐湿性和耐热性，以及优异的弯曲性。 -M1-O-M1-式（I）：在式（I）中，M1表示选自Si，TiZr和Al的元素。

公开(公告)号：US20200075052A1

公开(公告)日：2020-03-05

申请号：US16555571

申请日：2019-08-29

申请人： FUJIFILM Corporation

发明人： Kenji NAOI ,  Masashi SHIRATA ,  Wataru KIKUCHI

IPC分类号： G11B5/706 ,  G11B5/70

摘要： The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, in which the magnetic layer further includes a compound including one or more partial structures selected from the group consisting of a partial structure represented by Formula 1 and a partial structure represented by Formula 2, and a polyalkyleneimine chain. A magnetic recording and reproducing apparatus including this magnetic recording medium. A composition for a magnetic recording medium including a ferromagnetic powder and the compound. L1 in Formula 1 and L2 in Formula 2 each independently represent a divalent linking group, Z1 in Formula 1 and Z2 in Formula 2 each independently represent a monovalent group represented by —OM or a monovalent group represented by —O−A+, M represents a hydrogen atom or an alkali metal atom, and A+ represents an ammonium cation.

公开(公告)号：US20190300380A1

公开(公告)日：2019-10-03

申请号：US16251097

申请日：2019-01-18

申请人： FUJIFILM CORPORATION

发明人： Kenji NAOI ,  Takashi FUJIMOTO ,  Masashi SHIRATA

IPC分类号： C01G49/02 ,  H01F1/11 ,  G11B5/706

摘要： Disclosed are a particle of a 13-iron oxyhydroxide-based compound represented by Formula (1), in which an average equivalent circle diameter of primary particles is 5 nm to 30 nm, and a coefficient of variation of equivalent circle diameters of the primary particles is 10% to 30% [In Formula (1), A represents at least one kind of metal element other than Fe, and a represents a number that satisfies a relationship of 0≤a

公开(公告)号：US20180358155A1

公开(公告)日：2018-12-13

申请号：US15974797

申请日：2018-05-09

申请人： FUJIFILM Corporation

发明人： Kenji NAOI ,  Takashi FUJIMOTO ,  Masashi SHIRATA

IPC分类号： H01F1/03 ,  H01F1/00 ,  C01G49/06 ,  C01G49/08 ,  C08L101/06

CPC分类号： H01F1/0315 ,  C01G49/06 ,  C01G49/08 ,  C01P2002/32 ,  C01P2004/64 ,  C08L101/06 ,  C08L2207/53 ,  H01F1/0054

摘要： A core-shell particle includes: a core including an iron oxyhydroxide compound represented by Formula A3a3Fe1−a3OOH (in which A3 represents at least one metal element other than Fe, and a3 satisfies 0

公开(公告)号：US20130129465A1

公开(公告)日：2013-05-23

申请号：US13731987

申请日：2012-12-31

申请人： Fujifilm Corporation

发明人： Kentaro OKAZAKI ,  Yuki MATSUNAMI ,  Fumio OBATA ,  Kenji NAOI ,  Shinichi NAKAHIRA

IPC分类号： H01B1/00

CPC分类号： H01B1/00 ,  G06F3/044 ,  G06F3/045 ,  Y10T428/24975

摘要： An electroconductive layer-transferring material including: a base material; a cushion layer on the base material; and an electroconductive layer on the cushion layer, the electroconductive layer containing metal nanowires having an average minor axis length of 100 nm or less and an average major axis length of 2 μm or more, wherein the electroconductive layer-transferring material satisfies A/B=0.1 to 0.7, where A is a total thickness of an average thickness of the electroconductive layer and an average thickness of the cushion layer, and B is an average thickness of the base material, wherein the average thickness of the electroconductive layer is 0.01 μm to 0.2 μm, and wherein the average thickness of the cushion layer is 1 μm to 50 μm.

摘要翻译： 一种导电层转移材料，包括：基材; 基材上的缓冲层; 以及在缓冲层上的导电层，所述导电层含有平均短轴长度为100nm以下且平均长轴长度为2μm以上的金属纳米线，其中，所述导电性层转印材料满足A / B = 0.1〜0.7，其中A是导电层的平均厚度和缓冲层的平均厚度的总厚度，B是基材的平均厚度，其中导电层的平均厚度为0.01μm至 0.2μm，其中缓冲层的平均厚度为1〜50μm。

公开(公告)号：US20210043229A1

公开(公告)日：2021-02-11

申请号：US16987973

申请日：2020-08-07

申请人： FUJIFILM Corporation

发明人： Kenji NAOI

IPC分类号： G11B5/706 ,  G11B5/127 ,  G11B5/008 ,  G11B5/78

摘要： The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder, in which the ferromagnetic powder is a hexagonal strontium ferrite powder, an activation volume of the hexagonal strontium ferrite powder is 850 nm3 to 1200 nm3, the magnetic layer has a servo pattern, and an alignment degree of the hexagonal strontium ferrite powder obtained by analyzing the magnetic layer by X-ray diffraction is 1.3 to 8.5.

公开(公告)号：US20200273490A1

公开(公告)日：2020-08-27

申请号：US16801371

申请日：2020-02-26

申请人： FUJIFILM Corporation

发明人： Kenji NAOI

IPC分类号： G11B5/706 ,  G11B5/008 ,  G11B5/592 ,  G11B5/735

摘要： The magnetic recording medium includes: a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binding agent, wherein the ferromagnetic powder is selected from the group consisting of hexagonal strontium ferrite powder and s-iron oxide powder, and has an average particle size of 5 nm or more and 20 nm or less, wherein the magnetic layer has a servo pattern, and wherein an average area Sdc of magnetic clusters of the magnetic recording medium in a DC demagnetization state, measured by a magnetic force microscope is 0.2×104 nm2 or more and less than 5.0×104 nm2.

公开(公告)号：US20200227082A1

公开(公告)日：2020-07-16

申请号：US16739987

申请日：2020-01-10

申请人： FUJIFILM Corporation

发明人： Kenji NAOI

IPC分类号： G11B5/706

摘要： A magnetic recording medium for microwave-assisted recording, including a non-magnetic support; and a magnetic layer containing a ferromagnetic powder and a binding agent, in which the ferromagnetic powder has an average particle size of 5 nm to 20 nm, and a coefficient of variation of a particle size distribution of 35% or lower, and the magnetic layer has a thickness of 25.0 nm to 100.0 nm, and a thickness variation of 1.0 nm to 12.0 nm. A magnetic recording device including a magnetic recording medium and a magnetic head for microwave-assisted recording. A manufacturing method of a magnetic recording medium having a servo pattern on a magnetic layer.