Abstract: A semiconductor device according to an aspect of the present disclosure, includes a semiconductor layer in which a trench is formed, a buried electrode provided inside the trench, an upper electrode provided above the buried electrode inside the trench, an insulating film provided inside the trench, a first electrode provided on an upper surface of the semiconductor layer, and a second electrode provided on a lower surface of the semiconductor layer, wherein the insulating film includes a first portion between the buried electrode and a side wall of the trench, a second portion between the upper electrode and the side wall of the trench, and a third portion between the buried electrode and the upper electrode, and a lower surface of the upper electrode has a dent in a central portion.

Abstract: An object is to provide an alloy composition that has a sufficient melting point for casting of an aluminum alloy, also has high hardness, and can suppress an occurrence of galling. The alloy composition of the present invention includes: a Mo—Cr-based dendritic structure 3; and a Ni—Al-based interdendritic structure 5 that fills a periphery of the Mo—Cr-based dendritic structure 3. The alloy composition of the present invention can adopt a chemical composition I in which when Mo+Cr+Ni+Al=100 at. % holds, Ni+Al=15 to 50 at. % and Mo+Cr=50 to 85 at. % hold; or a chemical composition II in which Ni+Al=40 to 70 at. % and Mo+Cr=30 to 60 at. % hold.

Abstract: A hydrous oily food having a moisture content of 3% by mass or more and 20% by mass or less, and containing a water-based continuous phase and an oil-based continuous phase.

Abstract: An underwater optical communication device communicates with another underwater optical communication device. The underwater optical communication device is provided with an optical transmitter, an optical receiver, and a controller. The optical transmitter transmits laser light to another underwater optical communication device. The optical receiver receives laser light from another underwater optical communication device. The controller controls the optical transmitter and the optical receiver. The optical receiver is provided with a polarizing plate configured to transmit S-polarized light of natural light and suppress transmission of P-polarized light of natural light and a photodetector configured to detect laser light emitted from the polarizing plate.

Abstract: Provided is a propylene polymer composition capable of implementing a molded article containing excellent impact resistance. Provided is a propylene polymer composition containing components (A) to (C), satisfying all of requirements (1) to (5), (A) a propylene polymer containing 90 wt % or more of a propylene structural unit; (B) an ethylene-?-olefin copolymer or hydrogenated conjugated diene polymer containing more than 10 wt % and 99 wt % or less of an ethylene structural unit; (C) a propylene block copolymer or graft copolymer containing a propylene polymer segment and an ethylene-?-olefin copolymer segment or a hydrogenated conjugated diene polymer segment; (1) an intrinsic viscosity being 0.5 dl/g or more; (2) CXIS having a number average molecular weight of 40,000 or more; (3) a ratio of the number average molecular weight of CXIS to a number average molecular weight of CXS being 0.

Abstract: A water-containing chocolate-like confectionery, which comprises an oil-in-water type emulsified mixture, wherein the mixture has a water content of 20% by weight or less, and a water activity of 0.7 or less.

Abstract: A light receiving device of optical communication equipment includes a condenser lens configured to condense incident light, a collimation lens having a focal length shorter than a focal length of the condenser lens, the collimation lens being configured to convert light from the condenser lens to parallel light, a bandpass filter having a filter surface on which the parallel light from the collimation lens is perpendicularly incident, the bandpass filter being configured to transmit only a wavelength of the incident light, and a light receiving element configured to detect light transmitted through the bandpass filter.

Abstract: Provided is a propylene polymer composition capable of implementing a molded article containing excellent impact resistance. Provided is a propylene polymer composition containing components (A) to (C), satisfying all of requirements (1) to (5), (A) a propylene polymer containing 90 wt % or more of a propylene structural unit; (B) an ethylene-?-olefin copolymer or hydrogenated conjugated diene polymer containing more than 10 wt % and 99 wt % or less of an ethylene structural unit; (C) a propylene block copolymer or graft copolymer containing a propylene polymer segment and an ethylene-?-olefin copolymer segment or a hydrogenated conjugated diene polymer segment; (1) an intrinsic viscosity being 0.5 dl/g or more; (2) CXIS having a number average molecular weight of 40,000 or more; (3) a ratio of the number average molecular weight of CXIS to a number average molecular weight of CXS being 0.

Abstract: A propylene polymer composition contains the following components (A), (B), and (C) and satisfies the requirements (1) to (4): Component (A): a propylene polymer, Component (B): an elastomer, Component (C): a propylene block copolymer; Requirement (1): the propylene polymer composition has a melting point of 100° C. or more; Requirement (2): the propylene polymer composition has a limiting viscosity of 1.0 dl/g or more; Requirement (3): at least one of the number-average molecular weight of a component insoluble in p-xylene at 25° C. of the propylene polymer composition and the number-average molecular weight of a component insoluble in n-heptane at 25° C. of the propylene polymer composition is 80000 or more; and Requirement (4): the ratio of the polystyrene-equivalent number-average molecular weight of the component (A) to the polystyrene-equivalent number-average molecular weight of the component (B) is 1.0 or more and 20 or less.

Abstract: An optical fiber laser module is provided with an optical fiber (2) for diffusing light, and a laser module housing (1) connected to the optical fiber. The laser module housing is provided with a laser light source (11) that outputs laser light to the optical fiber, and a light detector (14) that detects laser light that has been wave-guided through the full length of the optical fiber. The optical fiber is provided with: a light incident part (3a) provided inside the laser module housing, laser light from the laser light source being incident on the light incident part; and a terminal part (3) on which is formed a reflective film (4) that reflects the laser light that was incident on the light incident part and was wave-guided through the full length of the optical fiber so as to return the laser light to the light incident part.

Abstract: An optical fiber laser module is provided with an optical fiber (2) for diffusing light, and a laser module housing (1) connected to the optical fiber. The laser module housing is provided with a laser light source (11) that outputs laser light to the optical fiber, and a light detector (14) that detects laser light that has been wave-guided through the full length of the optical fiber. The optical fiber is provided with: a light incident part (3a) provided inside the laser module housing, laser light from the laser light source being incident on the light incident part; and a terminal part (3) on which is formed a reflective film (4) that reflects the laser light that was incident on the light incident part and was wave-guided through the full length of the optical fiber so as to return the laser light to the light incident part.

Abstract: The optical connector includes an insert-opening 3b into which the optical fiber 4 is inserted, a connection-opening 3a that positions the tip of the optical fiber inserted into an insert-opening to a desired laser light connection position, and a guide 2a that guides the optical fiber inserted into the insert-opening 3f, where the insert-opening is in-place on the non-optical-axis of the laser light to be connected and a position-difference between the connection-opening and the insert-opening is larger than the predetermined value.

Abstract: An adjustment method for adjusting the direction of infrared light projected so that infrared light to pass over a displayed image from a projection device that is rotatable with orthogonal first and second axes as axes of rotation, the method including: arranging the projection device such that the plane containing the first axis and a line perpendicular to the upper edge or lower edge of the displayed image is orthogonal to the plane in which the displayed image is displayed; displaying a first image representing a first target on the line; and rotating the projection device with the second axis as the axis of rotation such that the irradiation position of the infrared light upon an indicator in the first image, in which is displayed a captured image, coincides with the position of the first target on the first image.

Abstract: A propylene polymer composition contains the following components (A), (B), and (C) and satisfies the requirements (1) to (4): Component (A): a propylene polymer, Component (B): an elastomer, Component (C): a propylene block copolymer; Requirement (1): the propylene polymer composition has a melting point of 100° C. or more; Requirement (2): the propylene polymer composition has a limiting viscosity of 1.0 dl/g or more; Requirement (3): at least one of the number-average molecular weight of a component insoluble in p-xylene at 25° C. of the propylene polymer composition and the number-average molecular weight of a component insoluble in n-heptane at 25° C. of the propylene polymer composition is 80000 or more; and Requirement (4): the ratio of the polystyrene-equivalent number-average molecular weight of the component (A) to the polystyrene-equivalent number-average molecular weight of the component (B) is 1.0 or more and 20 or less.

Abstract: The tip face 411 of the base portion 41 inserted into the retaining groove 321 and the groove bottom face 322 have a positional relationship of facing each other, and a bottom portion space 413 is formed between the base portion 41 inserted into the retaining groove 321 and the groove bottom face 322. A pair of side faces 412 of the base portion 41 inserted into the retaining groove 321 and the pair of groove side faces 323 have a positional relationship of facing each other, and side face spaces 324 which are in communication with an opening of the retaining groove 321 are respectively formed between the pair of side faces 412 of the base portion 41 inserted into the retaining groove and the pair of groove side faces 323, and the bottom portion space is in communication with the side face space.

Abstract: An adjustment method for adjusting the direction of infrared light projected so that infrared light to pass over a displayed image from a projection device that is rotatable with orthogonal first and second axes as axes of rotation, the method including: arranging the projection device such that the plane containing the first axis and a line perpendicular to the upper edge or lower edge of the displayed image is orthogonal to the plane in which the displayed image is displayed; displaying a first image representing a first target on the line; and rotating the projection device with the second axis as the axis of rotation such that the irradiation position of the infrared light upon an indicator in the first image, in which is displayed a captured image, coincides with the position of the first target on the first image.

Abstract: A periodic polarization reversal electrode, periodic polarization reversal structure forming method and periodic polarization reversal element. The element includes a plurality of stripe electrode sections with a stripe shape extending in parallel at a gap from each other, arranged in contact with the +Z surface of a ferroelectric crystal substrate; an insulation film arranged over the +Z surface so as to cover the plurality of stripe electrode sections; and an equipotential electrode section which has a portion that opposes at least a part of each of the plurality of stripe electrode sections across the insulation film and is arranged over the insulation film without contacting the ferroelectric crystal substrate or the plurality of stripe electrode sections, wherein an electric field is generated in the area of the ferroelectric crystal substrate directly below the plurality of stripe electrode sections by applying a voltage to the equipotential electrode section.

Abstract: The tip face 411 of the base portion 41 inserted into the retaining groove 321 and the groove bottom face 322 have a positional relationship of facing each other, and a bottom portion space 413 is formed between the base portion 41 inserted into the retaining groove 321 and the groove bottom face 322. A pair of side faces 412 of the base portion 41 inserted into the retaining groove 321 and the pair of groove side faces 323 have a positional relationship of facing each other, and side face spaces 324 which are in communication with an opening of the retaining groove 321 are respectively formed between the pair of side faces 412 of the base portion 41 inserted into the retaining groove and the pair of groove side faces 323, and the bottom portion space is in communication with the side face space.

Abstract: A periodic polarization reversal electrode, periodic polarization reversal structure forming method and periodic polarization reversal element. The element includes a plurality of stripe electrode sections with a stripe shape extending in parallel at a gap from each other, arranged in contact with the +Z surface of a ferroelectric crystal substrate; an insulation film arranged over the +Z surface so as to cover the plurality of stripe electrode sections; and an equipotential electrode section which has a portion that opposes at least a part of each of the plurality of stripe electrode sections across the insulation film and is arranged over the insulation film without contacting the ferroelectric crystal substrate or the plurality of stripe electrode sections, wherein an electric field is generated in the area of the ferroelectric crystal substrate directly below the plurality of stripe electrode sections by applying a voltage to the equipotential electrode section.