Fujifilm Corporation

The University of Tokyo

Akinori Sugishima

Norihito Kasada

Toshio Tada

Masahito Oyanagi

Yusuke Fujii

Kiyotaka Fukagawa

Kengo Saito

Takuro Sugiyama

Yasuharu Shiraishi

Tetsuro Otsuka

Tatsuya Yamashita

Yuko Terao

Yasuhiko Hirana

Takafumi Hirata

Yoshiki Makino

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.

Standard sample film, method for producing standard sample film, standard sample, sample set, quantitative analysis method, and transfer film

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.

Magnetic recording medium

Provided are a printing pretreatment liquid for a polyester base material including a polymer which has a Hansen solubility parameter value of 18 MPato 30 MPa, 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

Printing pretreatment liquid, base material for printing, method of producing base material for printing, ink set, image recording method, and image recorded material

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.

Magnetic recording medium having characterized magnetic layer and method for manufacturing same

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 nmto 2,400 nm, and a ratio of the crystallite size Dobtained from a diffraction peak of a (107) plane to a particle size in a direction of an easy axis of magnetization Das determined by observation with a transmission electron microscope, D/D, is greater than or equal to 1.1.

Magnetic recording medium and method of manufacturing the same

Growing community of inventors

Minami-ashigara, Japan

Akinori Sugishima