Abstract: A magnetic recording medium includes: a substrate; a recording layer; and a layer being provided between the substrate and the recording layer, the layer containing a superelastic body.

Abstract: 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 a center line average surface roughness Ra measured regarding a surface of the magnetic layer is 1.0 nm to 1.6 nm, and a difference (Safter?Sbefore) between a spacing Safter measured by optical interferometry regarding the surface of the magnetic layer after ethanol cleaning and a spacing Sbefore measured by optical interferometry regarding the surface of the magnetic layer before ethanol cleaning is greater than 0 nm and equal to or smaller than 6.0 nm.

Abstract: A display device according to one or more exemplary embodiments of the present invention includes: a display panel; a window on the display panel; an active surface layer on the window; and a hard coating layer on the active surface layer and having a curved surface.

Abstract: According to one embodiment, a magnetoresistive element is disclosed. The magnetoresistive element includes an underlayer containing aluminum (Al), nitrogen (N) and X. The X is an element other than Al and N. A first magnetic layer is provided on the underlayer. A nonmagnetic layer is provided on the first magnetic layer. A second magnetic layer is provided on the nonmagnetic layer.

Abstract: Briefly described, embodiments of this disclosure include articles and methods of making articles.

Abstract: A ferrite sintered magnet has a surface roughness Rz of 3.5 ?m or less. A method for producing a ferrite sintered magnet includes: mixing magnetic powders with at least a binder resin to obtain a magnetic powder mixture; injection molding the magnetic powder mixture inside of a mold having a surface roughness of a surface in contact with the magnetic powder mixture of 2.0 ?m or less with a magnetic field applied to the mold, to obtain a molded body; and sintering the molded body.

Abstract: A magnetic tape cartridge including a reel and a pack of magnetic tape wound onto the reel, the magnetic tape includes an aromatic polyamide support and has a thickness of from 3.5 to 5.5 ?m and a length of 1000 m or more, and a difference in tape thickness produced between an outer and an inner winding of the tape pack after 2-week storage of the cartridge in a dry environment at 60° C. is 60 nm or smaller.

Abstract: Composite magnetic recording media are described. A composite structure is a structure that is formed of multiple components. For example, a composite magnetic recording medium may include a substrate, an underlayer formed over the substrate, the underlayer defining a coating surface, and a magnetic layer formed over the coating surface of the underlayer. Composite magnetic recording media constructed according to the materials and techniques disclosed may provide dimensional flexibility while exhibiting improved physical or electromagnetic characteristics. In some examples, dimensional flexibility may be achieved by pairing a substrate greater than or equal to approximately 4000 nanometers thick with an underlayer less than or equal to approximately 890 nanometers thick.

Abstract: A recording medium includes a magnetic material and a pulp-fiber, a minimum value of shortest distances between the magnetic material and an edge of the recording medium substantially parallel to the pulp-fiber orientation direction being about 1 mm or more.

Abstract: An aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the magnetic layer and/or nonmagnetic layer comprises organic acid A and organic acid B below, with an acid strength pKa(A) of organic acid A and an acid strength pKa(B) of organic acid B satisfying a relation of pKa(A)<pKa(B); organic acid A: an unsaturated bond-containing organic acid comprising one substituent selected from the group consisting of a carboxyl group, a phosphoric acid group, and a phosphonic acid group per molecule; organic acid B: an aliphatic or alicyclic organic acid in which two or more substituents substituted onto adjacent carbon atoms within the molecule are present per molecule, and at least one of the substituents is a carboxyl group.

Abstract: An aspect of the present invention relates to a lubricant composition comprising a polyether compound comprising an alkylene oxide residue and a carbonic acid ester residue.

Abstract: A method and system for magnetic recording using self-organized magnetic nanoparticles is disclosed. The method may include depositing surfactant coated nanoparticles on a substrate, wherein the surfactant coated nanoparticles represent first bits of recorded information. The surfactant coating is then removed from selected of the surfactant coated nanoparticles. The selected nanoparticles with their surfactant coating removed may then be designated to represent second bits of recorded information. The surfactant coated nanoparticles have a first saturation magnetic moment and the selected nanoparticles with the surfactant coating removed have a second saturation magnetic moment. Therefore, by selectively removing the surfactant coating from certain nanoparticles, a write operation for recording the first and second bits of information may be performed.

Abstract: A magnetic recording medium is provided that comprises a non-magnetic support and at least one magnetic layer above the support, the magnetic layer comprising a ferromagnetic powder dispersed in a binder, and the binder comprising a polyurethane resin having a weight-average molecular weight of 200,000 to 400,000. There is also provided a magnetic recording medium that comprises a non-magnetic support, a non-magnetic layer above the support, the non-magnetic layer comprising a non-magnetic powder dispersed in a binder, and at least one magnetic layer above the non-magnetic layer, the magnetic layer comprising a ferromagnetic powder dispersed in a binder and the binder of the magnetic layer and/or the non-magnetic layer comprising a polyurethane resin having a weight-average molecular weight of 200,000 to 400,000.

Abstract: A magnetic recording medium is provided that comprises a non-magnetic support and, in order thereabove, a radiation-cured layer cured by exposing a layer comprising a radiation curing compound to radiation, and a magnetic layer comprising a ferromagnetic powder dispersed in a binder, the radiation curing compound having a radiation curing functional group in the molecule and being derived from a diisocyanate that has a branched structure but does not have a cyclic structure.

Abstract: A cleaning medium comprising: a backcoat layer; a nonmagnetic support; and a cleaning layer containing ferromagnetic powder and a binder, in this order, wherein the cleaning layer has projections having a height of 10 nm or higher on a surface of the cleaning layer at a density of from 0.10 to 5.0/?m2 and a surface microhardness of from 294 to 784 MPa.

Abstract: A magnetic recording medium is provided that includes a non-magnetic support, and at least one magnetic layer provided above the non-magnetic support, the magnetic layer having a ferromagnetic powder dispersed in a binder, all or part of the binder being a polyurethane resin obtained by a reaction of a polyol and a polyisocyanate, the polyurethane resin having a glass transition temperature (Tg) of 70° C. to 200° C., and part of the polyol being a diol having at least one epoxy group and two hydroxyl groups per molecule. There is also provided a process for producing the magnetic recording medium, the process including a step of kneading the ferromagnetic powder and the polyurethane resin.

Abstract: A magnetic recording medium comprising: a magnetic layer containing ferromagnetic powder and a binder; a nonmagnetic support; and a back coat layer, in this order, wherein the nonmagnetic support contains polyester having an intrinsic viscosity of from 0.40 to 0.60 dl/g and a number average molecular weight of from 12,000 to 24,000, a surface of the magnetic layer on a side not having the nonmagnetic support has a surface roughness Ra of from 1 to 5 nm, and a surface of the back coat layer on a side not having the nonmagnetic support has a surface roughness Ra of from 6 to 20 nm.

Abstract: A magnetic recording medium is provided that has on a non-magnetic support, in order, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to radiation, a lower layer having a non-magnetic powder and/or a magnetic powder dispersed in a binder, and at least one magnetic layer having a ferromagnetic powder dispersed in a binder. The binder of at least the magnetic layer is a binder having a glass transition temperature of 100° C. to 200° C., and the magnetic layer has on its surface a number of micro projections having a height of 10 to 20 nm measured by atomic force microscopy (AFM) of 5 to 1,000/100 ?m2.

Abstract: A method for manufacturing a magnetic tape includes the steps of feeding a broad magnetic tape including a broad support formed with a magnetic recording layer on one side thereof and a back coat layer on the other surface thereof to a portion between a disk-like upper blade and a disk-like lower blade overlapping each other and rotating in opposite directions and cutting the broad magnetic tape into magnetic tapes each having a predetermined width, which method for manufacturing a magnetic tape further includes a step of setting a cutting start angle between the disk-like upper blade and the disk-like lower blade overlapping each other and rotating in opposite directions at the time that cutting of the broad magnetic tape fed to a portion between the upper blade and the lower blade by the upper blade and the lower blade is started so that a lower blade side cut surface of the magnetic tape to be formed by cutting the broad magnetic tape includes 40% to 65% of a region formed by cutting the magnetic tape by a