Abstract: A method for producing a transparent alumina sintered body includes (a) the step of preparing an alumina raw material powder containing a plate-like alumina powder having an aspect ratio of 3 or more so that the mass ratio R1 of F to Al in the alumina raw material powder is 5 ppm or more, and forming a compaction raw material containing the alumina raw material powder into a compact, and (b) the step of pressure-sintering the compact at a temperature at which F evaporate to yield a transparent alumina sintered body.

Abstract: An information processing apparatus usable via a plurality of user interfaces, and a method of controlling the same, having a plurality of authentication processing modules configured to perform a user authentication for each of the plurality of user interfaces respectively. Setting information of authentication processing for each of the plurality of authentication processing modules and setting information of authentication processing by a common authentication processing module for performing a user authentication common to the plurality of user interfaces are held. If the user authentication by the common authentication processing module succeeds using the held setting information, based on user information input via an authentication screen of any one of the plurality of user interfaces, the user authentication is performed based on the held setting information of the user interface.

Abstract: A plate-like alumina powder production method of the present invention comprises placing a transition alumina and a fluoride in a container such that the transition alumina and the fluoride do not come into contact with each other and then performing heat treatment to obtain a plate-like ?-alumina powder. The transition alumina is preferably at least one selected from the group consisting of gibbsite, boehmite, and ?-alumina. It is preferable that the amount of the fluoride used is set such that the percentage ration of F in the fluoride to the transition alumina is 0.17% by mass or more. The container preferably has a volume such that a value obtained by dividing the mass of F in the fluoride by the volume of the container is 6.5×10?5 g/cm3 or more. The heat treatment is preferably performed at the temperature of 750 to 1,650° C.

Abstract: When a user authentication result is received via a network in response to an instruction for user authentication issued by a user who has operated any of a plurality of user interfaces, a user interface, of the plurality of user interfaces, which has been operated by the user is determined. If the received user authentication result indicates a success, an operation by the user via the determined user interface is permitted.

Abstract: There is provided an information processing device including a holding unit configured to hold setting information regarding parental control for each user in association with user identification information, and a limit processing unit configured to limit usage of a predetermined function or device by the user on a basis of the setting information held by the holding unit.

Abstract: An information processing apparatus stores, as user information of a user capable of logging into the information processing apparatus, first user information of a user having particular authority and second user information of a user having no particular authority. The information processing apparatus displays a list of, from the stored user information, user information that includes the second user information and no first user information. Then, the information processing apparatus performs a login process enabling a user corresponding to user information selected from the list to log into the information processing apparatus.

Abstract: There is provided a self-supporting polycrystalline gallium nitride substrate having excellent characteristics such as high luminous efficiency and high conversion efficiency when used for devices, such as light emitting devices and solar cells. The self-supporting polycrystalline gallium nitride substrate is composed of gallium nitride-based single crystal grains having a specific crystal orientation in a direction approximately normal to the substrate, and has a top surface and a bottom surface. The crystal orientations of individual gallium nitride-based single crystal grains as determined from inverse pole figure mapping by electron backscatter diffraction (EBSD) analysis on the top surface are distributed at various tilt angles from the specific crystal orientation, in which the average tilt angle thereof is 0.1° or more and less than 1° and the cross-sectional average diameter DT of the gallium nitride-based single crystal grains at the outermost surface exposed on the top surface is 10 ?m or more.

Abstract: An alumina sintered body according to the present invention has a degree of c-plane orientation of 90% or more as determined by Lotgering's method from an X-ray diffraction profile obtained by irradiating a plate surface with X-rays in a range of 2?=20° to 70°. The alumina sintered body has no pores when a cross-sectional surface formed in a direction perpendicular to the plate surface is polished using an Ar+ ion beam and a mask and is examined under a scanning electron microscope at a magnification of 5,000 times. The alumina sintered body has a total mass fraction of impurity elements other than Mg and C of 100 ppm or less. This alumina sintered body has a high degree of orientation, high density, and high purity and thus has a higher optical translucency than those known in the art.

Abstract: Provided is a drug sustained-releasing medical contact lens in which a component that is water-insoluble and has pharmacological activity is retained to impart drug sustained-releasability, and which is excellent in oxygen permeability. It has been found that a drug sustained-releasing medical contact lens containing a specific amount of each of a silicone-based polymer having a specific structure and a drug having a specific solubility can achieve the above-mentioned contact lens.

Abstract: An electric wire with terminal metal fitting includes an electric wire including a conductor portion and an insulating coating portion, and a terminal metal fitting including an electric-wire coupling portion coupled to a terminal portion of the electric wire. The electric-wire coupling portion includes an exposed-conductor press-bonded portion press-bonded to the exposed conductor portion; an insulation-coating press-bonded portion press-bonded to the insulating coating portion, and an intermediate integrated continuous-contact portion ensuring integrally continuous contact between the exposed-conductor press-bonded portion and the insulation-coating press-bonded portion such that the exposed conductor portion is not exposed to the outside. The electric-wire coupling portion has an inner side surface where an insulating resin layer is formed at least in a front end portion and a rear end portion in an extending direction of the electric wire.

Abstract: A method for producing a transparent alumina sintered body according to the present invention includes (a) a step of preparing an alumina raw material powder containing a plate-like alumina powder having an aspect ratio of 3 or more and a fine alumina powder having an average particle diameter smaller than that of the plate-like alumina powder so that, when a mixing ratio of the plate-like alumina powder to the fine alumina powder in terms of mass ratio is assumed to be T:(100?T), T is 0.001 or more and less than 1, and so that a mass ratio R1 of F relative to A1 in the alumina raw material powder is less than 15 ppm; (b) a step of forming a raw material for forming containing the alumina raw material powder into a compact; and (c) a step of sintering the compact so as to obtain a transparent alumina sintered body.

Abstract: A method for producing an oriented sintered body according to the present invention includes the steps of: (a) preparing a multilayer body, the multilayer body including a layer including a fine raw-material powder and a layer including a plate-like raw-material powder which are alternately stacked each other, particles of the plate-like raw-material powder being arranged such that surfaces of the particles of the plate-like raw-material powder extend along a surface of the layer including a fine raw-material powder; and (b) sintering the multilayer body.

Abstract: An alumina sintered body of the present invention has a degree of c-plane orientation of 5% or more, which is determined by a Lotgering method using an X-ray diffraction profile in a range of 2?=20° to 70° obtained under X-ray irradiation, and an XRC half width of 15.0° or less in rocking curve measurement, an F content of less than 0.99 mass ppm when measured by D-SIMS, a crystal grain diameter of 15 to 200 ?m, and 25 or less pores having a diameter of 0.2 ?m to 1.0 ?m when a photograph of a viewing area 370.0 ?m in a vertical direction and 372.0 ?m in a horizontal direction taken at a magnification factor of 1000 is visually observed.

Abstract: There is provided a positive electrode active material capable of achieving a high volume energy density and yet superior rate characteristics when configured as a positive electrode for lithium secondary batteries. This positive electrode active material comprises a plurality of secondary particles each comprising primary particles composed of a lithium-nickel based complex oxide having a layered rock-salt structure. The plurality of secondary particles have a volume-based average particle diameter D50 of 5 to 100 ?m, and at least part of the plurality of secondary particles are coarse secondary particles having a particle diameter of 9 ?m or greater. The coarse secondary particles have a voidage of 5 to 25%, and the ratio of through holes among all voids in the coarse secondary particles is 70% or greater.

Abstract: A design support apparatus includes a storage that stores first layout data and pattern data, the first layout data indicating a circuit pattern of a design target circuit, the circuit pattern including circuit patterns, dummy patterns of the component circuits, and a wiring pattern, the component circuits being included in the design target circuit, the pattern data indicating a second dummy pattern, the second dummy pattern having a shape different from a shape of a first dummy pattern, the first dummy pattern being included in the first layout data, and a processor coupled to the storage, configured to specifies a component circuit, the specified component circuit being included in an area in the arrangement area, extracts pattern data indicating a dummy pattern, generates second layout data, the second layout data indicating a circuit pattern, and outputs the second layout data.

Abstract: An oriented alumina substrate for epitaxial growth according to an embodiment of the present invention includes crystalline grains constituting a surface thereof, the crystalline grains having a tilt angle of 1° or more and 3° or less and an average sintered grain size of 20 ?m or more.

Abstract: An oriented alumina substrate for epitaxial growth according to an embodiment of the present invention includes crystalline grains constituting a surface thereof, the crystalline grains having a tilt angle of 0.1° or more and less than 1.0° and an average sintered grain size of 10 ?m or more.

Abstract: In a terminal-attached electric wire (1), a resin portion (4) which covers a conductor-exposed portion of a terminal (3) to which a conductor is connected is formed by molding resin in the conductor-exposed portion. In the terminal-attached electric wire (1), the resin portion (4) has a peeling preventive portion (14) which prevents the resin portion (4) from peeing off in a release direction of a die when the die is released.

Abstract: An electric wire with a terminal includes an electric wire, and a crimping terminal including an electric wire connection portion crimped by being wound around a core and a cover of the electric wire, a diameter expansion portion which contains a water stop member covering a tip end portion of the core and sealing a gap between the core and the electric wire connection portion is provided in an end portion of the electric wire connection portion on a tip end side of the core, and a sectional area of the diameter expansion portion is greater than a sectional area at a portion on the base end side of the core with respect to the diameter expansion portion.

Abstract: A terminal crimping apparatus includes a terminal supply device configured to supply a terminal chain member including a plurality of crimping terminals, a first mold including a first edge portion provided at one end of a supporting surface supporting the crimping terminals, a second mold configured to crimp the crimping terminal onto a wire by sandwiching the crimping terminal between the second mold and the supporting surface, and a terminal cutting member including a second edge portion. The terminal cutting member cuts a boundary with the crimping terminal in a link portion using the second edge portion.