Abstract: This electrical equipment device includes a housing storing an electronic component in an internal space thereof, and includes a vent hole through which an outside and an inside of the housing communicate with each other. The vent hole is formed inside a wall of the housing. One end side of the vent hole has a first opening communicating with the outside of the housing on a gravity-direction lower side. Another end side of the vent hole has a second opening communicating with the inside of the housing on a gravity-direction upper side. At the second opening, a waterproof vent film is provided to close the second opening.

Abstract: In order to provide an electronic device capable of securing a sufficient heat dissipation path while reducing assembly man-hours, the electronic device includes: a substrate on which an electronic component is packaged; a case in which a substrate insertion opening portion is provided, a slide groove through which a substrate is inserted by sliding is formed on both sidewalls, and the substrate is contained by being inserted in the slide groove from the substrate insertion opening portion; and a cover which is coupled to the case to block the substrate insertion opening portion of the case, the case being provided with a case side positioning portion for positioning the substrate; and the cover being provided with a cover side positioning portion for positioning the substrate.

Abstract: The present invention provides a novel polycarbonate diol and a polyurethane using the polycarbonate diol as raw materials. The novel polycarbonate diol produces polycarbonate diol-based polyurethane which has a high degree of hardness, superior abrasion resistance, and superior hydrophilicity, and is usable for an application such as a paint, a coating agent, a synthetic leather, an artificial leather, and a highly-functional elastomers, or the like. The present invention also provides an active-energy radiation curable polymer composition giving a cured film having a superior contamination resistance and high degree of hardness. The present invention is obtained, for example, by reacting specific two types of diols with diester carbonate in the presence of a transesterification catalyst being a compound using a metal of Group 1 or 2 on the periodic table.

Abstract: There is provided an electric apparatus that can suppress the number of components from increasing and hence can suppress the production cost from rising, while providing a mechanism for covering a ventilation hole. The electric apparatus includes a case provided with a ventilation hole penetrating an outer wall, a protective member for covering outside of the ventilation hole, and one or both of a bracket for mounting the case to an external object and an external connector for electrically connecting an electronic component with outside; the protective member is a part of the bracket or a part of the external connector; a communication path for making the outer opening portion of the ventilation hole communicate with outside is provided between the outer wall and the protective member.

Abstract: A conductive paste included in inner electrodes of a multilayer ceramic capacitor is fired and includes a conductive metal powder, a ceramic powder, an organic solvent, and an organic binder. The conductive metal powder includes copper, and at least a portion of the ceramic powder is a powder of at least one oxide of an ABO3 type with a specified ionic radius in which a ratio of a six-coordinate ionic radius of an A-site element in ABO3 to a six-coordinate ionic radius of copper is about 0.96 or greater and about 1.04 or less.

Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers made of ceramic and stacked together, and inner electrodes arranged along multiple interfaces between the dielectric layers, with each inner electrode extending along a respective interface. The inner electrodes include a silver/palladium alloy as a conductive material and also include at least one of (Ag0.7, Pd0.3)TiO3, NaTiO3, and EuTiO3.

Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers made of ceramic and stacked together, and inner electrodes arranged along multiple interfaces between the dielectric layers, with each inner electrode extending along a respective interface. The inner electrodes include silver as a conductive material and also include at least one of AgTiO3, EuTiO3, or NaTio3.

Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers made of ceramic and stacked together, and inner electrodes arranged along interfaces between the dielectric layers with each inner electrode extending along a respective interface. The inner electrodes include at least one of CuTiO3, CoTiO3, or CrTiO3, and a conductive metal that is preferably copper.

Abstract: A conductive paste defining inner electrodes of a multilayer ceramic capacitor manufactured through a firing step, includes a conductive metal powder, a ceramic powder, an organic solvent, and an organic binder. At least a portion of the ceramic powder is a powder of at least one oxide of ABO3 type with a specified ionic radius in which a ratio of a six-coordinate ionic radius of an A-site element in ABO3 to a six-coordinate ionic radius of a metal element in the conductive metal powder is about 0.97 or greater and about 1.04 or less. Preferably, when the conductive metal powder includes nickel, the at least one oxide of ABO3 type with the specified ionic radius is at least one of NiTiO3, MgTiO3, or MnTiO3.

Abstract: A multilayer ceramic capacitor includes a multilayer body that includes dielectric layers made of ceramic and stacked together and inner electrodes extending along multiple interfaces between the dielectric layers, with each inner electrode along a respective interface. The inner electrodes include at least one of NiTiO3, MgTiO3, or MnTiO3 besides a conductive metal. The inner electrodes preferably include nickel as the conductive metal.

Abstract: A method to produce a multilayer ceramic electronic component includes forming supports by an ink jet printing method to produce a green multilayer ceramic capacitor. A green ceramic layer and outer electrodes of the multilayer ceramic electronic component are formed by the ink jet printing method while the supports define peripheries of the green ceramic layer and the outer electrodes. When fired, the green multilayer ceramic electronic component is converted to a sintered multilayer ceramic electronic component, and the supports disappear by heating.

Abstract: A method of manufacturing monocrystalline silicon is provided, the method including pulling monocrystalline silicon out of a silicon melt by a Czochralski process, the silicon melt being stored in a crucible housed in a chamber, the silicon melt being added with a volatile dopant, in which a decompression rate ES for exhaust of a gas out of the chamber before the pulling of the monocrystalline silicon is within a range below at least until a pressure inside the chamber decreases from an atmospheric pressure to 80 kPa, 0 kPa/min<ES?4.2 kPa/min.

Abstract: This in-vehicle radar device includes: a conductive heat sink; a first cover covering a first-direction side of the heat sink; a second cover covering a second-direction side of the heat sink and connected to the first cover; a first circuit board including a first board, a first electronic component, a first ground pattern, and an antenna portion, stored between the heat sink and the first cover, and contacting with the heat sink; a conductive inner cover contacting with the first cover and the first circuit board; and an elastic member pressing the heat sink, the first circuit board, and the inner cover to the first cover. The first ground pattern contacts with and is electrically connected to one or both of the heat sink and the inner cover. A distance between the antenna portion and the first cover is equal to a thickness of the inner cover.

Abstract: The electric device has a first seal part, including, between a first case and a second case, a groove portion prepared at one side and a projection portion prepared at another side, where those portions are joined by sealing material; a second seal part, including, between the opening part of the first case and a peripheral part of the connector, a groove portion prepared at one side and a projection portion prepared at another side, where those portions are joined by the sealing material; and a third seal part, including, among the first case, the second case, and the peripheral part of the connector, a groove portion prepared at one side and a projection portion prepared at another side, as a combination, or a projection portion prepared at one side and a groove portion prepared at another side, as a combination, where those portions are joined by the sealing material.

Abstract: A first resin member having laser light absorbing property and a second resin member having laser light transmitting property are joined together through laser welding. A pressure application step of applying pressures to contact boundary surfaces of the first resin member and the second resin member in upward and downward directions includes warping, along a first welding portion, a one end portion side of the second resin member such that the warping occurs from a follow-up origin at a boundary between a thin portion and a thick base portion of the second resin member. Consequently, a gap between the contact boundary surfaces that is generated owing to a curved recess in the first welding portion can be eliminated, whereby imperfection of welding is ameliorated.

Abstract: A millimeter wave radar device (1) disclosed in the present application is characterized by comprising a radio wave transmitter and receiver (2) formed with a transmitting and receiving surface (2fa) for transmitting millimeter waves to an outside and receiving reflected waves from an target, a controller (3) for controlling operation of the radio wave transmitter and receiver (2) and for calculating at least either a positional relationship or a relative velocity in relation to the target, and a waterproof housing (6) for accommodating the radio wave transmitter and receiver (2) and the controller (3) and for holding the radio wave transmitter and receiver such that a normal line (Ln) of the transmitting and receiving surface (2fa) is directed to a horizontal direction, wherein a front face (5ff) positioned in a front direction in a transmission direction of the millimeter waves among outer faces of the housing (6) is rearwardly inclined to a downward direction at a portion assigned as a radio wave passing a

Abstract: A vacuum connection mechanism includes: a main body part having a first opening and a first sub opening opened symmetrically in a first direction, and a second opening and a second sub opening opened symmetrically in a second direction; a first bellows connected to the first opening and to the end of which a first flange is provided; a first sub bellows connected to the first sub opening and to the end of which a first blind flange is provided; a first supporting member coupling the first flange and the first blind flange; a second bellows connected to the second opening and to the end of which a second flange is provided; a second sub bellows connected to the second sub opening and to the end of which a second blind flange is provided; and a second supporting member coupling the second flange and the second blind flange.

Abstract: There is provided an electric apparatus that can suppress the number of components from increasing and hence can suppress the production cost from rising, while providing a mechanism for covering a ventilation hole. The electric apparatus includes a case provided with a ventilation hole penetrating an outer wall, a protective member for covering outside of the ventilation hole, and one or both of a bracket for mounting the case to an external object and an external connector for electrically connecting an electronic component with outside; the protective member is a part of the bracket or a part of the external connector; a communication path for making the outer opening portion of the ventilation hole communicate with outside is provided between the outer wall and the protective member.

Abstract: This electrical equipment device includes a housing storing an electronic component in an internal space thereof, and includes a vent hole through which an outside and an inside of the housing communicate with each other. The vent hole is formed inside a wall of the housing. One end side of the vent hole has a first opening communicating with the outside of the housing on a gravity-direction lower side. Another end side of the vent hole has a second opening communicating with the inside of the housing on a gravity-direction upper side. At the second opening, a waterproof vent film is provided to close the second opening.

Abstract: A method to produce a multilayer ceramic electronic component includes forming supports by an ink jet printing method to produce a green multilayer ceramic capacitor. A green ceramic layer and outer electrodes of the multilayer ceramic electronic component are formed by the ink jet printing method while the supports define peripheries of the green ceramic layer and the outer electrodes. When fired, the green multilayer ceramic electronic component is converted to a sintered multilayer ceramic electronic component, and the supports disappear by heating.