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1.发明公开公开(公告)号：US20230220231A1
公开(公告)日：2023-07-13
申请号：US18187743
申请日：2023-03-22
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA
IPC: C09D133/08 , H01F1/28
CPC classification number: C09D133/08 , H01F1/28 , C08K2201/01 , C08K3/11
Abstract: A first object of the present invention is to provide a composition having excellent fluidity and capable of forming a cured substance having excellent magnetic properties and excellent filling suitability. A second object of the present invention is to provide a magnetic particle-containing cured substance formed of the composition. A third object of the present invention is to provide a magnetic particle-introduced substrate and an electronic material that contain the magnetic particle-containing cured substance.
The composition according to an embodiment of the present invention is a composition containing
magnetic particles,
one or more components selected from the group consisting of a resin and a resin precursor,
a solvent,
in which a content of magnetic particles having a primary particle diameter of 4 m or more is 25% by mass or less with respect to a total mass of the magnetic particles,
a content of the magnetic particles is 91% by mass or more with respect to a total solid content of the composition, and
a content of the solvent is 3% to 24% by mass with respect to a total mass of the composition.-
公开(公告)号：US20220375668A1
公开(公告)日：2022-11-24
申请号：US17852845
申请日：2022-06-29
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA , Tatsuo Ishikawa
Abstract: A magnetic particle-containing composition contains magnetic particles having a plurality of peak tops in a particle size distribution curve showing a volume-based frequency distribution, a resin, and a solvent.
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3.发明申请公开(公告)号：US20190309106A1
公开(公告)日：2019-10-10
申请号：US16442012
申请日：2019-06-14
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA , Hiromu KOIZUMI
IPC: C08F20/28 , C08F20/30 , C08K5/07 , C08K5/353 , C08K5/41 , C08K5/3417 , C08K5/00 , C08J5/18 , G02B5/22
Abstract: A curable composition includes: a near infrared absorbing colorant; and a polymerizable monomer that has a group having an unsaturated double bond, in which the near infrared absorbing colorant is a compound that includes a π-conjugated plane having a monocyclic or fused aromatic ring, a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the curable composition, and a content of a polymerizable monomer that has at least one group selected from an acid group or a hydroxyl group and a group having an unsaturated double bond is 50 mass % or lower with respect to a total mass of all the polymerizable monomers.
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公开(公告)号：US20220102420A1
公开(公告)日：2022-03-31
申请号：US17545991
申请日：2021-12-08
Applicant: FUJIFILM Corporation
Inventor： Masashi ONO , Masahiro TAKATA , Tetsushi MIYATA
IPC: H01L27/146 , C01G21/21 , C09K11/02 , C09K11/66
Abstract: A semiconductor film contains aggregates of semiconductor quantum dots containing a metal atom and a ligand that is coordinated to the semiconductor quantum dot, where the ligand contains a first ligand that is an inorganic halide and a second ligand that is represented by any one of Formulae (A) to (C). XA1 and XA2 are separated by LA1 by 1 or 2 atoms, XB1 and XB3, and XB2 and XB3 are respectively independently separated by LB1 and LB2 by 1 or 2 atoms, and XC1 and XC4, XC2 and XC4, and XC3 and XC4 are respectively independently separated by LC1, LC2, or LC3 by 1 or 2 atoms.
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5.发明申请公开(公告)号：US20200319548A1
公开(公告)日：2020-10-08
申请号：US16908886
申请日：2020-06-23
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA , Takuya TSURUTA
Abstract: A composition includes a near infrared absorbing pigment and a solvent, in which the near infrared absorbing pigment is at least one selected from a colorant compound which has a cation and an anion in the same molecule, a colorant compound which is a salt of a cationic chromophore and a counter anion, and a colorant compound which is a salt of an anionic chromophore and a counter cation, a D50 particle size in which a cumulative volume in a particle size distribution of particle sizes of the near infrared absorbing pigment is 50% is 100 nm or lower, and d values of Hansen solubility parameters of the near infrared absorbing pigment and the solvent satisfy a predetermined expression.
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Patent Agency Ranking
公开(公告)号：US20190285783A1
公开(公告)日：2019-09-19
申请号：US16430995
申请日：2019-06-04
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA
IPC: G02B5/20 , H01L27/146 , C08K5/00 , C08K5/17 , C08K5/3415 , C09B23/01 , C09B57/00
Abstract: A composition includes a near infrared absorbing colorant, a surfactant, and an antioxidant, in which the near infrared absorbing colorant is a compound that includes a π-conjugated plane having a monocyclic or fused aromatic ring, a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the composition, and the antioxidant is a compound that includes a phenol structure with a hydrocarbon group having one or more carbon atoms.
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公开(公告)号：US20250089386A1
公开(公告)日：2025-03-13
申请号：US18956750
申请日：2024-11-22
Applicant: FUJIFILM Corporation
Inventor： Takashi GOTO , Tetsushi MIYATA
IPC: H01L27/146
Abstract: Provided is a photodetector element having a photoelectric conversion element, an optical filter provided on a light incident side of the photoelectric conversion element, and an interlayer provided between the photoelectric conversion element and the optical filter, in which the photoelectric conversion element has a quantum dot layer, a first electrode, and a second electrode, the optical filter has predetermined spectral characteristics, and the interlayer includes at least one kind of atom selected from the group consisting of Si, Al, Zr, Sn, Zn, Ce, and Hf, or includes a paraxylene polymer, or has a water vapor permeability as determined by a method in accordance with JIS K 7129 of 1×10−4 g/m2/day or less. Provided also are an image sensor and a method for manufacturing a photodetector element.
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公开(公告)号：US20230238164A1
公开(公告)日：2023-07-27
申请号：US18183976
申请日：2023-03-15
Applicant: FUJIFILM Corporation
Inventor： Tatsuo ISHIKAWA , Tetsushi MIYATA
CPC classification number: H01F10/14 , H01Q23/00 , H01F27/02 , H01F41/005
Abstract: An object of the present invention is to provide a composition that can form a magnetic particle-containing film having excellent magnetic permeability and excellent acid resistance, and has excellent sedimentation stability. Another object of the present invention is to provide a magnetic particle-containing film that relates to the composition, and an electronic component that includes the magnetic particle-containing film.
The composition according to an embodiment of the present invention contains magnetic particles that contain 70% to 90% by mass of Fe atoms and have a crystal structure of Fe, an average particle diameter of 2 to 30 μm, and an aspect ratio less than 8, and a rheology control agent.-
公开(公告)号：US20220093887A1
公开(公告)日：2022-03-24
申请号：US17541209
申请日：2021-12-02
Applicant: FUJIFILM Corporation
Inventor： Masashi ONO , Masahiro TAKATA , Tetsushi MIYATA
Abstract: A photodetector element includes a photoelectric conversion layer that contains aggregates of semiconductor quantum dots between a first electrode layer and a second electrode layer, where the first electrode layer is provided on a light incident side with respect to the second electrode layer, and a wavelength λ (nm) of target light to be detected by the photodetector element and an optical path length Lλ (nm) of light having the wavelength λ, from a surface of the second electrode layer on a side of the photoelectric conversion layer to a surface of the photoelectric conversion layer on a side of the first electrode layer satisfy a relationship of the following Expression (1). m is an integer of 0 or more. 0.05+m/2≤Lλ/λ≤0.35+m/2 (1)
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10.发明申请公开(公告)号：US20200087424A1
公开(公告)日：2020-03-19
申请号：US16678255
申请日：2019-11-08
Applicant: FUJIFILM Corporation
Inventor： Tetsushi MIYATA
IPC: C08F2/44 , C08F2/48 , C08F220/26 , C08L33/08
Abstract: A curable composition includes: a near infrared absorbing colorant; a polymerizable monomer that has a group including an ethylenically unsaturated bond; a resin; and a radical polymerization initiator, in which a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the curable composition and a content of the polymerizable monomer that has at least one group selected from an acid group or a hydroxyl group and a group having an ethylenically unsaturated bond is higher than 50 mass % with respect to a total mass of all the polymerizable monomers. A near infrared cut filter, a solid image pickup element, an image display device, and an infrared sensor include a film which is formed using the curable composition.
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