Abstract: A laser processing head includes parallel plate (17) that shifts an optical axis of a laser beam to be emitted from a top to a bottom of body case (6) from a first optical axis to a second optical axis, parallel plate (19) that shift the optical axis of the laser beam from the second optical axis to a third optical axis, and body case (6) that accommodates holders (7 and 18) that respectively hold parallel plates (17 and 19). The laser processing head further includes a rotation mechanism that rotates holders (7 and 18) around a first rotary axis. Opening (7a) that a laser beam reflected by an incident surface of second parallel plate (19) passes through is formed in holder (7), and light receiving part (6a) that receives the laser beam having passed through opening (7a) is disposed in body case (6).

Abstract: Provided is a free-polyunsaturated-fatty-acid-containing composition that has a total metal content of 0.1 ppm or less and that comprises at least one free polyunsaturated fatty acid having 20 or more carbon atoms, in an amount that is at least 80.0% of the amount of fatty acids in the composition; and a method for manufacturing a free-polyunsaturated-fatty-acid-containing composition, comprising: providing a raw material composition containing at least one polyunsaturated fatty acid having 20 or more carbon atoms; performing a hydrolysis treatment on a reaction solution prepared by combining the provided raw material composition, a lower alcohol, water having a total metal content of 0.01 ppm or less, and an alkali catalyst; and limiting the contact between the reaction composition and the metal after the hydrolysis treatment so that the product T [cm2×days] of the contact surface area [cm2] per 1 g and the contact time [days] between the composition and the metal is 100 or less.

Abstract: PROBLEM To provide a composition comprising highly enriched PUFA or its alkyl esters while containing fatty acid esters of 3-MCPD at adequately low concentrations and to provide an efficient method for producing the composition. MEANS FOR SOLVING A composition that contains fatty acids or fatty acid alkyl esters as its major component, the composition containing highly unsaturated fatty acid or alkyl ester thereof, wherein the proportion of the highly unsaturated fatty acid in the constituent fatty acids of the composition is 50 area % or more and wherein the concentration of 3-MCPD as found upon analyzing the composition by American Oil Chemists' Society official method Cd 29b-13 assay A is less than 1.80 ppm.

Abstract: Provided is a free-polyunsaturated-fatty-acid-containing composition that has a total metal content of 0.1 ppm or less and that comprises at least one free polyunsaturated fatty acid having 20 or more carbon atoms, in an amount that is at least 80.0% of the amount of fatty acids in the composition; and a method for manufacturing a free-polyunsaturated-fatty-acid-containing composition, comprising: providing a raw material composition containing at least one polyunsaturated fatty acid having 20 or more carbon atoms; performing a hydrolysis treatment on a reaction solution prepared by combining the provided raw material composition, a lower alcohol, water having a total metal content of 0.01 ppm or less, and an alkali catalyst; and limiting the contact between the reaction composition and the metal after the hydrolysis treatment so that the product T [cm2×days] of the contact surface area [cm2] per 1 g and the contact time [days] between the composition and the metal is 100 or less.

Abstract: A resin metal composite body including a resin member containing a resin molding material containing a resin mixture (a1) and an inorganic filler (a2), and a metal member, and a test specimen of the resin mixture (a1) has a stress-strain curve in a tensile test according to ISO 527-1,2:2012 having a yield point, and a tensile yield stress of 25 MPa or more.

Abstract: A resin metal composite body including a resin member and a metal member, the resin member contains a resin mixture containing a styrene-based resin composition, and a glass filler, the glass filler being 13.0% by mass or more and 37.0% by mass or less based on the resin mixture and the glass filler as 100% by mass, and the styrene-based resin composition contains a styrene-based polymer having a syndiotactic structure, a rubber-like elastomer, and an acid-modified polyphenylene ether, a content of the styrene-based polymer of 62.0% by mass or more and 85.0% by mass or less, a content of the rubber-like elastomer of 12.0% by mass or more and 37.0% by mass or less, and a content of the acid-modified polyphenylene ether of 0.1% by mass or more and 3.9% by mass or less, based on the styrene-based resin composition as 100% by mass.

Abstract: A laser device includes: a laser resonator for emitting a laser beam; a condenser lens for collecting the laser beam emitted from the laser resonator; an optical fiber for transmitting the laser beam collected by the condenser lens; at least one light sensor opposing a light receiving surface of the condenser lens and outside an optical path of the laser beam, the at least one light sensor detecting an amount of return light from the condenser lens; and a controller for determining a presence of an abnormality when a value of the amount detected by the at least one light sensor is greater than a predetermined maximum threshold.

Abstract: PROBLEM To provide a composition comprising highly enriched PUFA or its alkyl esters while containing fatty acid esters of 3-MCPD at adequately low concentrations and to provide an efficient method for producing the composition. MEANS FOR SOLVING A composition that contains fatty acids or fatty acid alkyl esters as its major component, the composition containing highly unsaturated fatty acid or alkyl ester thereof, wherein the proportion of the highly unsaturated fatty acid in the constituent fatty acids of the composition is 50 area % or more and wherein the concentration of 3-MCPD as found upon analyzing the composition by American Oil Chemists' Society official method Cd 29b-13 assay A is less than 1.80 ppm.

Abstract: The present disclosure is: a free polyunsaturated fatty acid-containing composition, which comprises at least one free polyunsaturated fatty acid having 20 or more carbon atoms, the content being at least 80.0% of the fatty acids in the composition, and satisfies at least one selected from a group consisting of conditions (1) and (2): (1) the content of conjugated unsaturated fatty acid is 1.0% or less of the fatty acids in the composition, and (2) the Gardner color is less than 3+; and a manufacturing method for the free polyunsaturated fatty acid-containing composition comprising the preparation of a raw material composition containing at least one polyunsaturated fatty acid having 20 or more carbon atoms, and hydrolysis of a reaction solution containing the prepared raw material composition, a lower alcohol, water and an alkali catalyst at a temperature of 10° C. or lower.

Abstract: A fiber coupling device (100) includes the following components: a wedge plate (102) for receiving light and refracting the light in a predetermined direction, a condenser lens (104) for collecting the light refracted by the wedge plate (102); and an optical fiber (107) having an incident surface for receiving the light collected by the condenser lens (104). The wedge plate (102) is held rotatable around the optical axis (200) of the light incident on the wedge plate (102). The light refracted by the wedge plate (102) and collected by the condenser lens (104) is incident on a different point on the incident surface depending on the rotation angle of the wedge plate (102).

Abstract: A laser device includes a laser oscillator emitting a laser beam, and an optical unit receiving the laser beam and emitting the laser beam to outside. The optical unit includes: a partially transmissive mirror reflecting a part of the laser beam toward the outside while transmitting a remaining part of the laser beam; a diffusion plate diffusing the laser beam passed through the partially transmissive mirror and deflecting the laser beam in a predetermined direction, at a predetermined diffusion angle; and a photodiode receiving the laser beam deflected by the diffusion plate, and outputting an electric signal. The laser device is configured such that deviation of an optical axis of the laser beam is monitored based on an output signal of the photodiode.

Abstract: PROBLEM To provide a composition comprising highly enriched PUFA or its alkyl esters while containing fatty acid esters of 3-MCPD at adequately low concentrations and to provide an efficient method for producing the composition. MEANS FOR SOLVING A composition that contains fatty acids or fatty acid alkyl esters as its major component, the composition containing highly unsaturated fatty acid or alkyl ester thereof, wherein the proportion of the highly unsaturated fatty acid in the constituent fatty acids of the composition is 50 area % or more and wherein the concentration of 3-MCPD as found upon analyzing the composition by American Oil Chemists' Society official method Cd 29b-13 assay A is less than 1.80 ppm.

Abstract: An implantable instrument includes a first housing having a front surface having an opening, a second housing having at least part embedded in a building member, a touch panel display, four antennas for wireless communication, and a control board. The second housing is disposed to face a rear surface of the first housing to form an accommodation space between the first housing and the second housing. The touch panel display includes: a display section having a plate-like shape; and a fixing member having a plate-like shape, being disposed to face a rear surface of the display section, and fixing the display section to the first housing. The touch pane display is disposed in the accommodation space so that the display section is visually perceivable through an opening. The antenna is disposed at a location not overlapping the fixing member in a thickness direction of the fixing member.

Abstract: A fatigue reducing device according to an embodiment includes, as an example, a determinator that determines whether an occupant sitting on a seat of a vehicle is driving the vehicle, and a controller that controls a vibration device provided in the seat to apply vibration stimulation at a first frequency causing muscular tension to a second muscle serving that is an antagonist muscle to a first muscle that is a massage target in a case where the determinator has determined that the occupant is driving the vehicle.

Abstract: PROBLEM To provide a composition comprising highly enriched PUFA or its alkyl esters while containing fatty acid esters of 3-MCPD at adequately low concentrations and to provide an efficient method for producing the composition. MEANS FOR SOLVING A composition that contains fatty acids or fatty acid alkyl esters as its major component, the composition containing highly unsaturated fatty acid or alkyl ester thereof, wherein the proportion of the highly unsaturated fatty acid in the constituent fatty acids of the composition is 50 area % or more and wherein the concentration of 3-MCPD as found upon analyzing the composition by American Oil Chemists' Society official method Cd 29b-13 assay A is less than 1.80 ppm.

Abstract: Laser processing head (20) of the present disclosure includes housing (30), transparent protector (40), and temperature sensor (70). Housing (30) includes an optical path of processing laser light (LB). Transparent protector (40) is detachably fixed to housing (30), passes processing laser light (LB), and suppresses dust of work material (W) entering into housing (30). Here, the dust is generated from the work material (W) irradiated with processing laser light (LB). Temperature sensor (70) detects the temperature of transparent protector (40).

Abstract: A fiber coupling device includes a housing and a window provided in the housing. The fiber coupling device is configured to collectively guide plural laser beams to at least a first fiber, the plurality of laser beams each being emitted from a corresponding one of plural external laser light sources and entering through a laser beam inlet. The housing is configured such that the laser beams enter the housing from the laser beam inlet. The window is provided inside the housing and faces the laser beam inlet. The fiber coupling device is not required to detach when an optical axis is adjusted.

Abstract: A microbial oil comprising dihomo-?-linolenic acid as a constituent fatty acid of an oil, the microbial oil has a content, in terms of a weight ratio of arachidonic acid relative to dihomo-?-linolenic acid (arachidonic acid/dihomo-?-linolenic acid) of less than 1/13. Preferably, the microbial oil has a triglyceride content of greater than or equal to 70% by weight, and a saturated fatty acid content of less than or equal to 40% by weight. Moreover, a lower alcohol ester of dihomo-?-linolenic acid or a free fatty acid of dihomo-?-linolenic acid obtained from the microbial oil is provided.

Abstract: A driving assistance device of the embodiment includes: an acquisition unit that acquires a degree of drowsiness of a driver who is driving a vehicle, based on information on the driver being input; a calculation unit that calculates an expected time until the effect is lost indicating an expected time when drowsiness is not eliminated despite a stimulus being applied to the driver, based on a time interval when the degree of drowsiness obtained by the acquisition unit becomes equal to or more than a predetermined threshold; and a control unit that changes control performed on the driver as the expected time until the effect is lost calculated by the calculation unit is reduced.

Abstract: A condenser lens for collecting a laser beam (300) is disposed between the laser oscillator and the incident end surface of the optical fiber. The laser beam (300) is divided into a plurality of beams (303, 304). The power of the laser beam (304) is measured and maximized by adjusting the position of the condenser lens. The FFP of the laser beam (303) is measured and minimized by adjusting the position of the condenser lens. These adjusted positions are stored as the first and second lens positions. The FFP of the laser beam (303) is measured while the condenser lens is being moved between these positions so as to make the BPP not more than a predetermined value.