公开(公告)号：US20220381737A1

公开(公告)日：2022-12-01

申请号：US17879775

申请日：2022-08-03

Applicant: FUJIFILM Corporation ,  THE UNIVERSITY OF TOKYO

Inventor： Takuro SUGIYAMA ,  Yuko TERAO ,  Yasuhiko HIRANA ,  Tetsuro OTSUKA ,  Akinori SUGISHIMA ,  Yasuharu SHIRAISHI ,  Takafumi HIRATA ,  Yoshiki MAKINO

IPC: G01N27/64 ,  H01J49/10 ,  H01J49/40

Abstract: Provided are a standard sample film for use in laser ablation inductively coupled plasma mass spectrometry, the standard sample film containing an organic substance and having a small variation in signal intensity of an ion of a metal element depending on a measurement position; a standard sample; a method for producing a standard sample film; a sample set; a quantitative analysis method; and a transfer film. The standard sample film of the present invention is a standard sample film for use in laser ablation inductively coupled plasma mass spectrometry, the standard sample film containing a polymer and a metal element, and having a maximum height difference in film thickness of the standard sample film of 0.50 μm or less.

公开(公告)号：US20180082710A1

公开(公告)日：2018-03-22

申请号：US15705531

申请日：2017-09-15

Applicant: FUJIFILM Corporation

Inventor： Toshio TADA ,  Norihito KASADA ,  Masahito OYANAGI ,  Akinori SUGISHIMA ,  Kengo SAITO

IPC: G11B5/733 ,  G11B5/73

Abstract: The magnetic recording medium has a non-magnetic support and a magnetic layer which is provided on the support and contains ferromagnetic powder and a binder, in which the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer contains an abrasive, an intensity ratio (Int (110)/Int (114)) of a peak intensity Int (110) of a diffraction peak of (110) plane of a crystal structure of the hexagonal ferrite, determined by performing X-ray diffraction analysis on the magnetic layer by using an In-Plane method, to a peak intensity Int (114) of a diffraction peak of (114) plane of the crystal structure is equal to or higher than 0.5 and equal to or lower than 4.0, and a squareness ratio in a vertical direction is equal to or higher than 0.65 and equal to or lower than 1.00. The present invention also provides a method for manufacturing the magnetic recording medium.

公开(公告)号：US20210002502A1

公开(公告)日：2021-01-07

申请号：US17024724

申请日：2020-09-18

Applicant: FUJIFILM CORPORATION

Inventor： Masaharu KAWAI ,  Ryuji SHINOHARA ,  Kazumasa HATTORI ,  Akinori SUGISHIMA

IPC: C09D11/322 ,  C09D11/38 ,  B41J11/00

Abstract: An embodiment of the present invention provides an inkjet ink composition including water, a dispersant, white inorganic pigment particles having an average primary particle diameter of 150 nm to 400 nm, and resin particles A having a glass transition temperature of higher than 120° C.; an image recording method carried out using the inkjet ink composition; and an image recorded material including a solidified material of the inkjet ink composition.

公开(公告)号：US20170004856A1

公开(公告)日：2017-01-05

申请号：US15197046

申请日：2016-06-29

Applicant: FUJIFILM Corporation

Inventor： Toshio TADA ,  Akinori SUGISHIMA ,  Tatsuya YAMASHITA ,  Norihito KASADA ,  Masahito OYANAGI

IPC: G11B5/842 ,  G11B5/706

CPC classification number: G11B5/842 ,  G11B5/70678 ,  G11B5/714

Abstract: The magnetic recording medium has a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, and the ferromagnetic hexagonal ferrite powder has a crystallite volume as determined by X-ray diffraction analysis ranges from 1,000 nm3 to 2,400 nm3, and a ratio of the crystallite size Dx(107) obtained from a diffraction peak of a (107) plane to a particle size in a direction of an easy axis of magnetization DTEM as determined by observation with a transmission electron microscope, Dx(107)/DTEM, is greater than or equal to 1.1.

Abstract translation: 磁记录介质具有在非磁性载体上含有铁磁性粉末和粘合剂的磁性层，其中铁磁性粉末为铁磁性六角铁氧体粉末，铁磁性六方晶系铁氧体粉末的X射线衍射分析的微晶体积为1000nm 3 至（2,400nm 3），通过透射电子显微镜观察确定由（107）面的衍射峰获得的微晶尺寸Dx（107）与易磁化轴DTEM方向上的粒径的比例， Dx（107）/ DTEM，大于或等于1.1。

公开(公告)号：US20220005503A1

公开(公告)日：2022-01-06

申请号：US17476565

申请日：2021-09-16

Applicant: FUJIFILM Corporation

Inventor： Norihito KASADA ,  Akinori SUGISHIMA

IPC: G11B5/702

Abstract: The magnetic recording medium includes a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, in which an isoelectric point of a surface zeta potential of the magnetic layer is equal to or smaller than 3.8.

公开(公告)号：US20200317944A1

公开(公告)日：2020-10-08

申请号：US16904536

申请日：2020-06-17

Applicant: FUJIFILM CORPORATION

Inventor： Kiyotaka FUKAGAWA ,  Akinori SUGISHIMA ,  Yusuke FUJII

IPC: C09D11/54 ,  B41M5/00 ,  B41M5/52 ,  C09D11/322

Abstract: Provided are a printing pretreatment liquid for a polyester base material including a polymer which has a Hansen solubility parameter value of 18 MPa0.5 to 30 MPa0.5, water, and at least one aggregating agent selected from the group consisting of a polyvalent metal salt, an organic acid, a cationic compound, and a metal complex, and applications thereof

公开(公告)号：US20180374505A1

公开(公告)日：2018-12-27

申请号：US16009570

申请日：2018-06-15

Applicant: FUJIFILM Corporation

Inventor： Norihito KASADA ,  Akinori SUGISHIMA

IPC: G11B5/702

Abstract: The magnetic recording medium includes a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, in which an isoelectric point of a surface zeta potential of the magnetic layer is equal to or smaller than 3.8.