Abstract: A heat source unit and a refrigeration cycle apparatus that are able to reduce damage to a connection pipe when a refrigerant containing at least 1,2-difluoroethylene is used are provided. An outdoor unit (20) that is connected via a liquid-side connection pipe (6) and a gas-side connection pipe (5) to an indoor unit (30) including an indoor heat exchanger (31) and that is a component of an air conditioner (1) includes a compressor (21) and an outdoor heat exchanger (23). A refrigerant containing at least 1,2-difluoroethylene is used as a refrigerant. A design pressure of the outdoor unit (20) is lower than 1.5 times a design pressure of each of the liquid-side connection pipe (6) and the gas-side connection pipe (5).

Abstract: The present invention provides a composition comprising a refrigerant (mixed refrigerant) having three types of performance, i.e., a coefficient of performance (COP) and refrigerating capacity (Cap) that are equivalent to or higher than those of R410A, and a sufficiently low GWP. Specifically, the present invention provides a composition comprising a refrigerant, the refrigerant comprising CF3I, CO2 (R744), and at least one compound A selected from the group consisting of trifluoroethylene (HFO-1123), trans-1,2-difluoroethylene [(E)-RFC-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).

Abstract: There is provided a resolver comprising: a main body including an excitation coil to which an excitation signal is input and a detection coil configured to output a detection signal, wherein one of the excitation coil and the detection coil is provided in a fixed part and the other one thereof is provided in a rotating part; and a signal processor configured to detect a rotation angle of the rotating part on the basis of the detection signal that changes in accordance with the rotation angle.

Abstract: A chemical solution used for cleaning or etching a ruthenium-containing layer, which can obtain the ruthenium-containing layer having a reduced surface roughness while maintaining a good etching rate against the ruthenium, and a method for fabricating ruthenium wiring. The chemical solution includes orthoperiodic acid, a base component, and any one of a nitrogen-containing heterocyclic compound, an organic phosphonic acid, and an organic carboxylic acid.

Abstract: The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane from a fluoroethylene by a reaction in the presence of at least one catalyst. The reaction is performed in two or more reaction zones. Each reaction zone comprises a catalyst, and the fluoroethylene is supplied to each reaction zone to perform the reaction.

Abstract: A method for producing a semiconductor element and a chemical solution to be used in the method for producing a semiconductor element, the method including dry-etching or chemically-mechanically polishing a ruthenium-containing layer located as an uppermost layer of a substrate; and bringing a surface of the substrate into contact with a chemical solution thereby satisfactorily cleaning and removing a ruthenium residue formed on the surface of the substrate; and a chemical solution to be suitably used in the method for producing a semiconductor element.

Abstract: An object of the present invention is to provide a mixed refrigerant having three types of performance; i.e., a refrigerating capacity (also referred to as cooling capacity) and a coefficient of performance (COP) that are equivalent to those of R410A, and a sufficiently low GWP. Provided as a means for achieving the object is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

Abstract: An object of the present invention is to provide a method that can efficiently remove water contained in pentafluoropropane. Provided as a solution is a method comprising distilling a composition comprising pentafluoropropane and water to thereby extract pentafluoropropane with a water content higher than that of the composition as a first stream, and pentafluoropropane with a water content lower than that of the composition as a second stream.

Abstract: The present disclosure provides a composition comprising a refrigerant characterized by having a low GWP, low flammability, a COP equivalent to that of R410A, and a refrigerating capacity almost equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO2 (R744), hexafluoropropene (FO-1216), and at least one compound A selected from the group consisting of trifluoroethylene (HFO-1123), trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).

Abstract: A process for producing a glass plate with a resin frame disposed on a peripheral edge portion, and the glass plate is configured to be mounted to a vehicle, includes using a mold to clamp a portion of the glass plate adjacent to the peripheral edge portion to form a cavity space between an inner surface of the mold and the peripheral edge portion of the glass plate; placing a hollow molding in the mold to be apart from the glass plate and to expose at least a portion of the hollow molding to the cavity space, the hollow molding including a hollow portion and having a support member placed into the hollow portion; injecting a resin material into the cavity space, and solidifying the resin material to form a base member, wherein the hollow molding, the base member and the glass plate are unified.

Abstract: A bar includes a titanium alloy containing an ? phase and a ? phase, in which the titanium alloy contains, as a chemical composition, by mass %: Al: 4.5% to 6.4%; Fe: 0.5% to 2.1%; C: 0.01% or less; N: 0.05% or less; O: 0.25% or less; V: 0.10% or less; Si: 0% to 0.40%; Ni: 0% to 0.15%; Cr: 0% to 0.25%; Mn: 0% to 0.25%; and a remainder including Ti and impurities, an area ratio of the ? phase in a metallographic structure of the titanium alloy is 20% or less, and an average minor axis length of grains of the ? phase is 2.0 ?m or less.

Abstract: The present disclosure provides a method for producing HFC-143 that is not expensive, and that is more efficient than conventional methods. Specifically, the present disclosure provides a method for producing 1,1,2-trifluoroethane (HFC-143) that includes contacting at least one chlorine-containing compound selected from the group consisting of 1,1,2-trichloroethane (HCC-140), 1,2-dichloro-1-fluoroethane (HCFC-141), 1,1-dichloro-2-fluoroethane (HCFC-141a), (E,Z)-1,2-dichloroethylene (HCO-1130 (E,Z)), and (E,Z)-1-chloro-2-fluoroethylene (HCFO-1131 (E,Z)) with hydrogen fluoride to perform one or more fluorination reactions, thereby obtaining a reaction gas containing HFC-143, hydrogen chloride, and hydrogen fluoride.

Abstract: An object of the present invention is to provide a method that can efficiently remove water contained in pentafluoropropane. Provided as a solution is a method comprising distilling a composition comprising pentafluoropropane and water to thereby extract pentafluoropropane with a water content higher than that of the composition as a first stream, and pentafluoropropane with a water content lower than that of the composition as a second stream.

Abstract: Provided is a method for efficiently obtaining HFC-1132(E) and/or HFO-1132(Z). The method includes supplying a composition containing HFO-1132(E) and/or HFO-1132(Z) to a reactor to perform isomerization between HFO-1132(E) and HFO-1132(Z) by irradiating the composition with light.

Abstract: A method for efficiently obtaining trans-1-halo-2-fluoroethylene (E-isomer) and/or cis-1-halo-2-fluoroethylene (Z-isomer) is provided. The method for producing trans-1-halo-2-fluoroethylene (E-isomer) and/or cis-1-halo-2-fluoroethylene (Z-isomer) includes supplying a composition containing trans-1-halo-2-fluoroethylene (E-isomer) and/or cis-1-halo-2-fluoroethylene (Z-isomer) to a reactor to perform isomerization between the trans-1-halo-2-fluoroethylene (E-isomer) and the cis-1-halo-2-fluoroethylene (Z-isomer) in a liquid phase by performing light irradiation in the presence of a photosensitizer.

Abstract: A terahertz wave attenuated total reflection spectroscopic method, includes: a first step of disposing a measurement target of which a volume is changed during a measurement period on a reflection surface; and a second step of acquiring data including a plurality of detection results respectively corresponding to a plurality of times separated from each other during the measurement period by allowing a terahertz wave to be incident on the reflection surface from a side opposite to the measurement target and by detecting the terahertz wave reflected on the reflection surface, during the measurement period. In the second step, a state in which a substantially constant pressure is applied to the measurement target disposed on the reflection surface is maintained during the measurement period.

Abstract: The invention provides a novel composition comprising cis-1,2-difluoroethylene. The invention provides the following: a composition comprising cis-1,2-difluoroethylene (HFO-1132(Z)) and at least one additional compound; the composition that is an azeotropic or azeotrope-like composition; and use of the composition as a heat transfer medium, a foaming agent, or a propellant.

Abstract: The disclosure provides a device holding member and a device holding member set. The device holding member is engaged with a bottom member formed with a hole or a frame supporting the bottom member and holds a device arranged on the bottom member. The device holding member includes a belt and a locking member. The belt includes an end part provided with an engaging member engageable with an edge part of the bottom member or the frame and holds the device. The locking member is provided between the engaging member and the device and locks a part of the belt to the hole.

Abstract: A resin frame-attached glass plate for a vehicle window includes a glass plate; a resin frame attached to a peripheral edge area of the glass plate; and a decorative member disposed on the resin frame such that the resin frame is integrally molded along with the glass plate and the decorative member; wherein the resin frame has a groove formed along a boundary between the resin frame and an exposed portion of the decorative member, the groove being recessed from a surface of the resin frame.

Abstract: An exposure apparatus includes an illumination optical system for illuminating an original including a periodic pattern, a projection optical system for forming an image of the original on a substrate, a controller configured to cause light from the illumination optical system to be obliquely incident on the original such that a light intensity distribution which is line-symmetric with respect to a line, passing through an origin of a pupil region of the projection optical system and orthogonal to a periodic direction of the periodic pattern, is formed in the pupil region by diffracted light beams including diffracted light of not lower than 2nd-order from the periodic pattern, and to control exposure of the substrate such that each point in a shot region of the substrate is exposed in not less than two focus states.