Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: The present invention provides a monocrystalline SiC substrate with an asymmetric shape for enhancing substrate stiffness against thermal induced deformations, the substrate comprising: a main region, and an asymmetric region located at a peripheral region of the substrate and adjacent to the main region, wherein the asymmetric region is inclined inwards, relative to the main region, to provide an asymmetric shape to the substrate. The present invention also provides a method of producing one or more substrates with an asymmetric shape, comprising: performing a multi-wire sawing process in which one or more substrates are cut with an wire-sawing web from an ingot placed on a stage, and cutting the one or more substrates with the asymmetric shape by controlling a relative movement between the wire-sawing web and the stage, the relative movement causing the wire-sawing web to describe a non-linear sawing path across the ingot to cut the asymmetric shape.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): R10amSH??(i-1) R11anSR12a—SpR13a??(i-2) wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): R10amSH??(i-1) R11anSR12a—SpR13a??(i-2) wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): ?R10a?mSH??(i-1) ?R11a?nS?R12a—S?pR13a??(i-2) wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: A dielectric elastomer motor includes an artificial muscle and a conversion mechanism cooperating with the artificial muscle. The artificial muscle includes a dielectric elastomer film or layer having a first surface and a second surface opposite to the first surface. First and second electrodes are attached to the first surface and the second surface of the dielectric elastomer film, respectively. First and second bases are attached to the dielectric elastomer so as to be spaced apart from each other. The first base and the second base are capable of reciprocation relative to each other upon change in size of the dielectric elastomer. The conversion mechanism converts the reciprocation of the bases to pivotal or rotational movement. The dielectric elastomer receives voltage application with a predetermined timing via the first and the second electrodes.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): ?R10a?mSH??(i-1) ?R11a?nS?R12a—S?pR13a??(i-2) wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: A dielectric elastomer motor includes an artificial muscle and a conversion mechanism cooperating with the artificial muscle. The artificial muscle includes a dielectric elastomer film or layer having a first surface and a second surface opposite to the first surface. First and second electrodes are attached to the first surface and the second surface of the dielectric elastomer film, respectively. First and second bases are attached to the dielectric elastomer so as to be spaced apart from each other. The first base and the second base are capable of reciprocation relative to each other upon change in size of the dielectric elastomer. The conversion mechanism converts the reciprocation of the bases to pivotal or rotational movement. The dielectric elastomer receives voltage application with a predetermined timing via the first and the second electrodes.

Abstract: Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I): wherein at least one of R1a to R9a is a monovalent sulfur-containing group represented by the following Formula (i-1) or Formula (i-2): wherein R10a to R12a each represent a divalent hydrocarbon group or the like; and R13a represents a monovalent hydrocarbon group or the like.

Abstract: A dielectric elastomer driving mechanism includes a driver, a follower, and a power transmitter. The driver includes a dielectric elastomer driving element made up of a dielectric elastomer layer and two electrode layers sandwiching the dielectric elastomer layer. The driver also includes a tension maintaining element maintaining, in a no-voltage state, the dielectric elastomer driving element in a state in which tension occurs, and includes an output portion capable of moving along with the expanding or contracting of the dielectric elastomer driving element. The follower includes a following element actuating in accordance with a driving force inputted. The power transmitter is connected to the output portion of the driver for transmitting a driving force of the driver to the follower.

Abstract: A method for manufacturing a semiconductor laser device includes preparing an original substrate having a plurality of semiconductor laser device regions arrayed in a matrix, and a plurality of ridges formed in stripes so as to pass through each of the plurality of semiconductor laser device regions that are aligned in one direction. A scribing process is applied to the original substrate along cutting lines set along boundaries of the plurality of semiconductor laser device regions from a rear surface at an opposite side of a top surface at which the ridges are formed. A blade is applied to the original substrate along each cutting line from the top surface of the original substrate for dividing the original substrate along the cutting line.

Abstract: A semiconductor laser device includes a semiconductor laminate structure that includes a light emitting layer that contains In, a p-type guide layer disposed at one side of the light emitting layer, an n-type guide layer disposed at another side of the light emitting layer; a p-type clad layer disposed at an opposite side of the p-type guide layer to the light emitting layer, and an n-type clad layer disposed at an opposite side of the n-type guide layer to the light emitting layer. The semiconductor laminate structure includes a rectilinear waveguide formed parallel to a projection vector of a c-axis onto the crystal growth surface, and a pair of laser resonance surfaces formed of cleavage planes perpendicular to the projection vector.

Abstract: Provided is a laser light emitting device that has light sources of multiple wavelengths including an oscillation wavelength in a green region and the like, and that can be miniaturized. A metal wiring 4 is formed on a supporting substrate 5. A green LD 1 and a red LD 2 are bonded to the metal wiring 4. Each of the green LD 1 and the red LD 2 is a laser diode element formed of a semiconductor having a layered structure. One of a positive electrode and a negative electrode of the element is bonded to the metal wiring 4, and the other electrode is connected to a lead wire 6 or a lead wire 7. The green LD 1 is formed of a GaN-based semiconductor laser diode having a nonpolar plane or a semipolar plane as a main surface for crystal growth. The red LD 2 is formed of an AlInGaP-based semiconductor laser diode.

Abstract: The semiconductor light-emitting element includes a group III nitride semiconductor multilayer structure having an active layer containing In as well as a p-type layer and an n-type layer stacked to hold the active layer therebetween. The group III nitride semiconductor multilayer structure is made of a group III nitride semiconductor having a major surface defined by a nonpolar plane whose offset angle in a c-axis direction is negative. A remarkable effect is attained when the emission wavelength of the active layer is not less than 450 nm. In the group III nitride semiconductor constituting the group III nitride semiconductor multilayer structure, the offset angle ? in the c-axis direction preferably satisfies ?1°<?<0°.

Abstract: A light-emitting device includes a group III nitride semiconductor layer of a multilayer structure consisting of a group III nitride semiconductor having a major surface defined by a nonpolar plane or a semipolar plane and having at least an n-type layer and a p-type layer. A surface of the group III nitride semiconductor layer on a light extraction side is a mirror surface. The light-emitting device may further include a transparent electrode in contact with the surface of the group III nitride semiconductor layer on the light extraction side. In this case, a surface of the transparent electrode on the light extraction side is preferably a mirror surface.

Abstract: A semiconductor light emitting device has a device body made of a group III nitride semiconductor having a major surface defined by a nonpolar plane. In the device body, a contact portion with an n-type electrode includes a crystal plane different from the major surface. For example, the contact portion may include a corrugated surface. More specifically, the contact portion may include a region having a plurality of protrusions parallel to a polar plane formed in a striped manner.

Abstract: A semiconductor laser device is made of a group III nitride semiconductor having a major growth surface defined by a nonpolar plane or a semipolar plane. The semiconductor laser device includes a cavity having an active layer containing In and distributed Bragg reflectors coating both cavity end faces of the cavity respectively. In each of the distributed Bragg reflectors, a central wavelength ?c of a reflectance spectrum satisfies the relation ?SP?10 nm??c??SP+10 nm with respect to an emission peak wavelength ?SP of spontaneous emission in the active layer.