Abstract: A tire assembly includes a tire for mounting on a vehicle, an elastic body disposed on an inner side of the tire, and a power generation body disposed between an inner surface of the tire and the elastic body. The power generation body includes a first member and a second member. The first member has a first insulating film forming a first surface. The second member has a second insulating film forming a second surface that faces the first surface and contacts the first surface. The elastic body biases the power generation body toward the inner surface of the tire.

Abstract: According to one embodiment, a magnetic disk device writes a plurality of simulated reference patterns to the magnetic disk on write conditions different from each other, detects a write state of each of the simulated reference patterns, selects one of the write conditions according to detection results, and writes a plurality of regular reference patterns which become criteria for predetermined processing to be executed on the magnetic disk to the magnetic disk on the selected write condition.

Abstract: A resin composition includes a resin or a resin precursor, and a nitrogen-containing aromatic heterocyclic compound. The nitrogen-containing aromatic heterocyclic compound has a structure represented by the following general formula (1), the following general formula (6) or the following general formula (7): In the general formula (1), A1 and A2 each represent a 6-membered nitrogen-containing aromatic heterocyclic ring together with a nitrogen atom, and the 6-membered nitrogen-containing aromatic heterocyclic ring optionally forms a fused ring; and L represents a single bond, or a linking group derived from an aromatic hydrocarbon ring, an aromatic heterocyclic ring, or an alkyl group. The resin composition includes the nitrogen-containing aromatic heterocyclic compound in a range from 0.10 to 30% by mass relative to the resin or the resin precursor.

Abstract: To provide a positive electrode active material of a lithium ion battery which has a large discharge capacity, excellent cycle characteristics, and suppressed gas generation. Resolution Means: A lithium metal composite oxide powder for use in a positive electrode active material for a lithium ion battery, the powder thereof having a composition of LiaNibCocAldO2 (wherein, a=0.8 to 1.2, b=0.7 to 0.95, c=0.02 to 0.2, d=0.005 to 0.1, and b+c+d=1) treated with an aqueous solution of an organic metal salt and soluble aluminum salt, and not causing volume expansion due to gas generation.

Abstract: A lithium metal composite oxide powder for use in a positive electrode active material for a lithium ion battery has a composition of LiaNibCocAldO2 (wherein, a=0.8 to 1.2, b=0.7 to 0.95, c=0.02 to 0.2, d=0.005 to 0.1, and b+c+d=1). The powder has been treated with an aqueous solution of an organic metal salt and soluble aluminum salt and does not cause volume expansion due to gas generation. A positive electrode active material with the lithium metal composite oxide powder has a large discharge capacity, excellent cycle characteristics, and suppressed gas generation.

Abstract: A power generation body includes a first member, a second member, and a packaging body. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second film that opposes the first surface and comes into contact with the first surface. The packaging body hermetically seals the first member and the second member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.

Abstract: A power generation body includes a first member, a second member, and a cushioning material. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second surface that opposes the first surface and comes into contact with the first surface. The cushioning material is arranged on a side opposite to the first surface of the first member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface area changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.

Abstract: A rolling bearing according to an embodiment includes a stationary ring having a first facing surface, a rotating ring having a second facing surface facing the first facing surface, and rotating relative to the stationary ring, rolling elements arranged between the first facing surface and the second facing surface, a cage that retains the rolling elements, first electrodes and second electrodes fixed in position relative to the stationary ring and arranged in a bearing space between the stationary ring and the rotating ring, third electrodes fixed in position relative to the rotating ring, position relative to the rolling elements, or position relative to the cage and arranged in the bearing space, and an insulating film formed on surfaces of the first electrodes and the second electrodes or surfaces of the third electrodes.

Abstract: A method of manufacturing a magnetic recording medium forms an unfinished product including a magnetic recording layer and a protection layer that are successively formed on a substrate, and forms a lubricant layer on the protection layer of the unfinished product. The lubricant layer is formed by coating a first organic fluorine compound on the protection layer of the unfinished product, and supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation. The protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof.

Abstract: Provided is a tire assembly includes a tire, a power generating body disposed inside the tire, and an electronic device that receives supply of power that is output from the power generating body. The power generating body includes a first insulating film, a second insulating film, a first electrode, and a second electrode. The first insulating film has a first surface. The second insulating film has a second surface. The first and second electrodes have conductivity. The power generating body is configured such that a true area of contact between the first surface and the second surface changes according to deformation of the tire.

Abstract: A power generation body includes a first member, a second member, and a cushioning material. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second surface that opposes the first surface and comes into contact with the first surface. The cushioning material is arranged on a side opposite to the first surface of the first member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface area changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.

Abstract: A power generation body includes a first member, a second member, and a packaging body. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second film that opposes the first surface and comes into contact with the first surface. The packaging body hermetically seals the first member and the second member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.

Abstract: A magnetic disk device includes a magnetic disk, a first read element, a second read element, and a controller. In the magnetic disk, first servo information is written. The controller controls the servo writing of second servo information on the magnetic disk, based on the first servo information. In addition, the controller controls acquisition of the first servo information by the first read element. The controller switches a read element to be used to control the servo writing from the first read element to the second read element based on quality of the first servo information acquired by the first read element.

Abstract: A magnetic disk device includes a magnetic disk, a first read element, a second read element, and a controller. In the magnetic disk, first servo information is written. The controller controls the servo writing of second servo information on the magnetic disk, based on the first servo information. In addition, the controller controls acquisition of the first servo information by the first read element. The controller switches a read element to be used to control the servo writing from the first read element to the second read element based on quality of the first servo information acquired by the first read element.

Abstract: A film production method for producing a thin film on a surface of a workpiece, including the steps of: disposing the workpiece in a chamber; supplying a process gas into the chamber with the inside of the chamber being maintained at a predetermined pressure; applying a light having an energy between 3 eV and 10 eV to the surface of the workpiece to cause a photoelectron to be emitted from the surface of the workpiece; and applying an AC electric field to the surface of the workpiece, wherein the AC electric field has an electric field intensity causing a Townsend discharge to occur without generating a glow discharge plasma.

Abstract: A method of manufacturing a magnetic recording medium forms an unfinished product including a magnetic recording layer and a protection layer that are successively formed on a substrate, and forms a lubricant layer on the protection layer of the unfinished product. The lubricant layer is formed by coating a first organic fluorine compound on the protection layer of the unfinished product, and supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation. The protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof.

Abstract: To provide a positive electrode active material of a lithium ion battery which has a large discharge capacity, excellent cycle characteristics, and suppressed gas generation. Resolution Means: A lithium metal composite oxide powder for use in a positive electrode active material for a lithium ion battery, the powder thereof having a composition of LiaNibCocAldO2 (wherein, a=0.8 to 1.2, b=0.7 to 0.95, c=0.02 to 0.2, d=0.005 to 0.1, and b+c+d 1) treated with an aqueous solution of an organic metal salt and soluble aluminum salt, and not causing volume expansion due to gas generation.

Abstract: Provided is a tire assembly includes a tire, a power generating body disposed inside the tire, and an electronic device that receives supply of power that is output from the power generating body. The power generating body includes a first insulating film, a second insulating film, a first electrode, and a second electrode. The first insulating film has a first surface. The second insulating film has a second surface. The first and second electrodes have conductivity. The power generating body is configured such that a true area of contact between the first surface and the second surface changes according to deformation of the tire.

Abstract: To show an LNCAO-type positive electrode active material for a lithium ion battery having a high discharge capacity per unit volume and excellent discharging capacity-holding properties. Nickel-lithium metal composite oxide powder includes a nickel-lithium metal composite oxide represented by General Formula (1) described below: LixNi1-y-zMyNzO1.7-2.2??(1), in which the breakdown strength of secondary particles is in a range of 80 MPa or less, the density is 3.30 g/cm3 or higher when compressed at a pressure of 192 MPa, and the density is 3.46 g/cm3 or higher when compressed at a pressure of 240 MPa. A method for producing the nickel-lithium metal composite oxide powder includes a water washing step after a firing step for producing a nickel-lithium metal composite oxide powder precursor.

Abstract: A film production method for producing a thin film on a surface of a workpiece, including the steps of: disposing the workpiece in a chamber; supplying a process gas into the chamber with the inside of the chamber being maintained at a predetermined pressure; applying a light having an energy between 3 eV and 10 eV to the surface of the workpiece to cause a photoelectron to be emitted from the surface of the workpiece; and applying an AC electric field to the surface of the workpiece, wherein the AC electric field has an electric field intensity causing a Townsend discharge to occur without generating a glow discharge plasma.