Abstract: A double lumen catheter includes: a circumferential wall 101 forming a lumen extending from a proximal end to a distal end; and a partition 102 dividing the lumen into a first passage 110 and a second passage 120 extending in a longitudinal direction. Distal ends of the first passage 110 and the second passage 120 of the circumferential wall 101 are aligned with each other. The partition 102 includes a projection 103 projecting beyond the distal end of the circumferential wall 101, and having a U-shaped plane. The first passage 110 has, at the distal end, a first passage slit 111 formed by cutting out a part of the circumferential wall 101 around a circumferential center of the circumferential wall 101.

Abstract: To provide an imaging device capable of reducing discomfort caused by visible light. A light source can emit the visible light and invisible light as irradiation light. An imaging unit captures an image of an irradiation region irradiated with the irradiation light to acquire an image. A processor causes the imaging unit to acquire a detection image in a first irradiation mode in which the invisible light is emitted from the light source, and determines whether a biometric object is presented in the irradiation region based on the detection image. When the biometric object is presented, the processor causes the imaging unit to acquire the biometric image obtained by copying the biometric object as the image in a second irradiation mode in which the visible light and the invisible light are emitted from the light source.

Abstract: The objective is to achieve highly accurate authentication even when there is variation in the ambient light environment during biometric imaging. A biometric authentication device includes an image capturing unit that captures images of a living body, a light source for capturing images of the living body, an optical filter that selectively passes and blocks light according to wavelength, a spectroscopic processing unit that separates multiple wavelengths captured simultaneously, respectively, and a calculation unit that calculates the shape and posture of a predetermined part of the living body in the captured images, a background removal unit that removes the background from the image of the living body using the spectral images of the living body and the spectral image of the unwanted ambient light, and an authentication unit that performs biometric authentication using the image of the predetermined part.

Abstract: A biometric authentication system, including an image input unit configured to obtain an image by imaging a living body, a storage unit configured to store registration information relating to a plurality of biological features obtained from a biological region of an image of each person, and an authentication processing unit configured to process the biological region of the image obtained by the image input unit to execute biometric authentication based on the registration information, wherein the plurality of biological features obtained from the biological region of the each person are a plurality of biological features having a low pattern correlation with one another, and wherein the authentication processing unit is configured to combine the plurality of biological features having a low pattern correlation with one another, which are obtained by processing the image, to execute the biometric authentication.

Abstract: Provided is an immunochromatographic method that amplifies surface plasmon resonance without requiring a complicated preparation process or inspection procedure. The immunochromatographic method detects an analyte by forming a complex wherein a resonant particle that causes surface plasmon resonance is accumulated on a separate carrier particle via the analyte, and capturing and detecting this complex on a test piece for an immunochromatographic method, In this method, the sensitivity is amplified as compared with when only a particle that causes surface plasmon resonance are used.

Abstract: An endoscope includes an endoscope operation unit; an insertion observation unit extending forward from the endoscope operation unit in a longitudinal direction of the endoscope; a coupling portion between the endoscope operation unit and the insertion observation unit; and an elastic body that covers at least a coupling portion.

Abstract: An endoscope includes an insertion observation portion including a distal end portion to be inserted into a target object; an objective lens portion disposed on the distal end portion of the insertion observation portion and includes a lens; a holding member that holds the objective lens portion; a sheath that covers the objective lens portion and the holding member; and a sealing material that is disposed on an outer circumference of the objective lens portion and that shields light. A part of the sealing material is disposed on an inner side of a recessed portion of the lens and forms a diaphragm portion that widens a depth of field of the endoscope.

Abstract: An endoscope includes: an endoscope operation unit; an insertion observation unit that extends forward from the endoscope operation unit in a longitudinal direction; and a protective cap that covers the insertion observation unit and is detachably attached to the endoscope operation unit. The protective cap includes a color index portion that adjusts white balance. The color index portion is disposed inside the protective cap at a position facing a tip of the insertion observation unit, and the color index portion includes a curved surface in a sectional view in the longitudinal direction of the insertion observation unit.

Abstract: It is provided a biometric authentication system, which is configured to execute authentication by using registered biometric information, the biometric authentication system comprising: a light source unit configured to irradiate a living body with light; an image pickup unit configured to photograph a vessel image with light radiated from the light source unit and transmitted through the living body; a control unit configured to generate authentication biometric information from the vessel image photographed by the image pickup unit; a category selection unit configured to select a category that corresponds to the authentication biometric information, based on supplementary information including information that has been obtained about a position and posture of the living body at timing of photographing the vessel image; and an authentication unit configured to execute authentication processing by comparing registered biometric information of the selected category and the authentication biometric informatio

Abstract: The present invention provides a thermoformable and optically clear hard coat comprising a polyacrylate resin and 5 wt. % or less of inorganic nanoparticles with an average particle size of 100 nm or less in diameter based on total weight of resin solid. The polyacrylate resin is derived from polymerizing and curing ultraviolet (UV) curing acrylic compositions for use in making thermoformable hard coats for curved optical displays comprising (a) from 9 to 70 wt. %, based on the total weight of monomer solids, of an aliphatic tetrafunctional (meth)acrylate monomer or an aliphatic pentafunctional (meth)acrylate monomer; (b) from 3 to 30 wt. %, based on the total weight of monomer solids, of one or more one (meth)acrylate monomer containing an isocyanurate group; (c) from 5 to 55 wt. %, based on the total weight of monomer solids, of one or more aliphatic urethane (meth)acrylate functional oligomer having from 6 to 24 (meth)acrylate groups; (d) from 2 to 10 wt.

Abstract: A curable composition comprising an epoxy-siloxane oligomer comprising as polymerized units one or more difunctional silane monomers of formula (1) and one or more trifunctional silane monomers of formula (2) in a mole ratio of 95:5 to 10:30 Si(R1)(R2)(Y1)2??(1) SiR3(Y2)3??(2) wherein R1, R2, and R3 are independently chosen from a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring, C1-20-alkyl, C6-30-aryl group, and a C5-20-aliphatic group having one or more heteroatoms; each Y1 and Y2 is independently chosen from halogen, C1-4-alkoxy, and —O—C1-4-acyl group; wherein at least one of R1, R2, and R3 is a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring; (b) organic particles having an average diameter of 50 to 250 nm; (c) a reactive carrier having one or more epoxy moieties or oxetane moieties; (d) a curing agent; and (e) one or more organic solvents, and methods of forming cured coatings using such compositions are described.

Abstract: It is provided a biometric authentication system, which is configured to execute authentication by using registered biometric information, the biometric authentication system comprising: a light source unit configured to irradiate a living body with light; an image pickup unit configured to photograph a vessel image with light radiated from the light source unit and transmitted through the living body; a control unit configured to generate authentication biometric information from the vessel image photographed by the image pickup unit; a category selection unit configured to select a category that corresponds to the authentication biometric information, based on supplementary information including information that has been obtained about a position and posture of the living body at timing of photographing the vessel image; and an authentication unit configured to execute authentication processing by comparing registered biometric information of the selected category and the authentication biometric informatio

Abstract: A cutting tool according to an aspect of the present disclosure includes a shank, a joint, and a cutting portion attached through the joint to the shank. The cutting portion includes a core and a surface portion. The surface portion is disposed around a central axis of the cutting portion to cover an outer circumferential surface of the core. The surface portion includes a cutting edge. The cutting edge is disposed on an outer circumferential surface of the surface portion and formed in a helical shape about the central axis. The surface portion is a composite sintered material including a hard phase formed of a plurality of diamond particles and a plurality of cubic boron nitride particles, and a binder phase forming the remainder.

Abstract: The first annular sealing material is filled and applied between a first sealing surface provided on an outer peripheral part of the case and a second sealing surface provided on an outer peripheral part of the cover, a second annular sealing material is filled and applied between a first fitting member provided at the opening of the sealed housing and a second fitting member provided at the outer periphery of the body of the connector housing, a terminal part sealing material is applied to a connection surface which is an inner surface of the wall for partitioning inside and outside of the connector housing and is connected to the circuit substrate, the case and the cover are fastened together by a fastening member, the hermetically sealed housing is provided with a sealable ventilation passage that communicates the inside of the hermetically sealed housing with outside air.

Abstract: A sintered material includes cubic boron nitride grains and a binder, a grain size D50 of the cubic boron nitride grains when a cumulative value of the cubic boron nitride grains is 50% in an area-based grain size distribution being more than 0.5 ?m and less than or equal to 5 ?m, more than or equal to 70 volume % and less than or equal to 98 volume % of the cubic boron nitride grains being included in the sintered material, the binder being composed of A1-xCrxN, where 0?x?1, and a remainder, the remainder being composed of at least one of a first element and a compound including the first element and a second element, the first element being one or more elements selected from a group consisting of W, Co, Ni, Mo, Al, and Cr, the second element being one or more elements selected from a group consisting of nitrogen, carbon, oxygen, and boron.

Abstract: A sintered material includes cubic boron nitride grains and a binder, a grain size D50 of the cubic boron nitride grains when a cumulative value of the cubic boron nitride grains is 50% in an area-based grain size distribution being more than 0.5 ?m and less than or equal to 5 ?m, more than or equal to 70 volume % and less than or equal to 98 volume % of the cubic boron nitride grains being included in the sintered material, the binder being composed of A1-xCrxN, where 0?x?1, and a remainder, the remainder being composed of at least one of a first element and a compound including the first element and a second element, the first element being one or more elements selected from a group consisting of W, Co, Ni, Mo, Al, and Cr, the second element being one or more elements selected from a group consisting of nitrogen, carbon, oxygen, and boron.

Abstract: The present invention provides ultraviolet (UV) curing acrylic compositions for use in making thermoformable hard coats for curved optical displays comprising: (a) one or more multifunctional (meth)acrylate diluents chosen from (a1) an aliphatic trifunctional (meth)acrylate monomer; (a2) an aliphatic tetrafunctional (meth)acrylate monomer; or (a3) an aliphatic pentafunctional (meth)acrylate monomer; (b) from 3 to 30 wt %, based on the total weight of monomer solids, of one or more one (meth)acrylate monomer containing an isocyanurate group; (c) from 5 to 40 wt %, based on the total weight of monomer solids, of one or more aliphatic urethane (meth)acrylate functional oligomer having from 6 to 12 (meth)acrylate groups; (d) from 2 to 10 wt %, based on total monomer solids, of one or more UV radical initiators; (e) from 10 to 30 wt %, based on the total weight of (a), (b), (c), and (d), of one or more sulfur-containing polyol (meth)acrylates; and (f) one or more organic solvents for the monomer composition.

Abstract: A surface-coated cutting tool including a substrate including a rake face and a flank face and a coating which covers a surface of the substrate is provided. The substrate is made of a cBN sintered material or a ceramic sintered material. The coating includes an alternating layer. The alternating layer is made by alternately stacking a first layer and a second layer different in composition from the first layer. The first layer contains Al, Cr, and N. The second layer contains Ti, Al, and N. A ratio T1/T2 between a thickness Ti of the first layer and a thickness T2 of the second layer is not lower than 0.1 and lower than 1. There are thirty or more interfaces at which the first layer and the second layer are in contact with each other.