Abstract: A power generation element includes: a first housing portion including a first substrate and a first electrode portion, the first substrate including a first principal surface, and the first electrode portion being on the first principal surface; a second housing portion including a second substrate and a second electrode portion, the second substrate including a second principal surface, and the second electrode portion being on the second principal surface; and an intermediate portion including nanoparticles. The first principal surface includes a first separated surface in contact with the first electrode portion and separated from the second housing portion, and a first joint surface in contact with the second housing portion. The second principal surface includes a second separated surface in contact with the second electrode portion and separated from the first housing portion, and a second joint surface in contact with the first housing portion.

Abstract: A balloon catheter is disclosed having a balloon at a distal portion of a catheter shaft and on a surface of the balloon are elongate bodies which are crystals of a water-insoluble drug having independent long axes. The balloon in a deflated state has a plurality of wing portions in a circumferential direction of the balloon, and a circumferential surface portion along a circumferential direction of the catheter shaft, the plurality of wing portions being folded along the circumferential direction of the balloon. A surface of the circumferential surface portion which faces the plurality of wing portions that are folded has a region in which tip portions are not in contact with the surface of the balloon or with other elongate bodies, and a surface which faces the plurality of wing portions that are folded which faces an outer circumferential side has a region in which the tip portions are in contact with the surface of the balloon or with the other elongate bodies.

Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit device with an electric power generation function, which can prevent the circuit board from increasing in size. MEANS TO SOLVE THE PROBLEM: A semiconductor integrated circuit device 200 with an electric power generation function has a semiconductor integrated circuit device and a thermoelectric element 1. The semiconductor integrated circuit device includes a package 210 to house a semiconductor integrated circuit chip 230. The semiconductor integrated circuit chip 230 has a lower surface opposing the circuit board and an upper surface opposing the mounting surface.

Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit device with an electric power generation function, which can prevent the circuit board from increasing in size. MEANS TO SOLVE THE PROBLEM: A semiconductor integrated circuit device 200 with an electric power generation function has a semiconductor integrated circuit device and a thermoelectric element 1. The semiconductor integrated circuit device includes a package 210 to house a semiconductor integrated circuit chip 230. The semiconductor integrated circuit chip 230 has a lower surface opposing the circuit board and an upper surface opposing the mounting surface.

Abstract: A coil of an embodiment is formed by winding a winding conductor in which a conductive conductor is molded by a resin, wherein the winding conductor has the resin filled to a surface of the conductor without leaving any spaces.

Abstract: A lighting device includes a light-emitting device, a heat sink having a hollow unit inside, a translucent cover, and a thermoelectric element. The thermoelectric element includes a casing unit having a housing unit, and includes a first electrode unit, a second electrode unit having a work function different from that of the first electrode unit, and a middle unit including nanoparticles having a work function between the work function of the first electrode unit and the work function of the second electrode unit, which are provided inside the housing unit. The casing unit is provided on the inner surface of the hollow unit of the heat sink.

Abstract: A light-emitting device with an electric power generation function includes a thermal conductive LED board that includes a thermal conductive base having a mounting surface and an open surface, and a board wiring provided on the mounting surface. An LED element is connected with the board wiring. A thermoelectric element is electrically insulated from the thermal conductive base, and thermally coupled with the thermal conductive base. The thermoelectric element includes a casing unit having a housing unit, and includes, in the housing unit, a first electrode unit, a second electrode unit having a work function different from a work function of the first electrode unit, and a middle unit including nanoparticles having a work function between the work function of the first electrode unit and the work function of the second electrode unit. The casing unit is provided on the open surface of the thermal conductive base.

Abstract: A balloon catheter and a method are disclosed capable of suppressing the separation of a drug with which an outer surface of a balloon is coated. A balloon catheter in which a balloon with an outer surface coated with a drug is disposed to an inside of a protective tube, in which: the balloon includes a plurality of wing portions that are folded while protruding radially outward; the wing portions each include a wing distal end portion, a wing proximal end portion, and a wing middle portion; the wing distal end portion is pleated such that inner surfaces are separated from each other; and the wing distal end outer portion contacts an inner peripheral surface of the protective tube; the wing distal end inner portion includes a first contact portion that contacts a second contact portion of another wing portion.

Abstract: A folding method of an inflatable balloon disposed on an outer peripheral surface of an inner tube of a balloon catheter is disclosed. The method includes: disposing the balloon to an inner side of a plurality of first blade portions arranged so as to surround a reference position while maintaining a state where pressure is applied to an inside of the balloon; correcting a bend of the balloon by moving the plurality of first blade portions toward the reference position in the state where the pressure is applied to the inside of the balloon; pleating a plurality of wing portions protruding radially outward on the balloon by further moving the plurality of first blade portions toward the reference position to partially press the balloon while gradually discharging the fluid inside the balloon; and folding the balloon along the inner tube.

Abstract: A balloon catheter and a method for arranging a balloon are disclosed, which are capable of suppressing the separation of a drug with which an outer surface of a balloon is coated. A balloon catheter in which a balloon with an outer surface coated with a drug is disposed to an inside of a protective tube, in which: the balloon includes a plurality of wing portions that protrude radially outward, and a plurality of base portions that are in contact with an inner tube; each of the plurality of wing portions include a wing distal end portion that is positioned on a protruding side, a wing proximal end portion that is connected to the base portion, and a wing middle portion that is positioned between the wing distal end portion and the wing proximal end portion.

Abstract: A balloon catheter is disclosed capable of effectively delivering a drug to living body tissue and a manufacturing method of the balloon catheter, and a treatment method. The balloon catheter has a balloon at a distal portion of a catheter shaft, and is provided on a surface of the balloon with elongate bodies which are crystals of a water-insoluble drug extending in a longitudinal direction. The surface of the balloon is provided with crystal conjugates formed of a plurality of elongate bodies united to one another while being in a tilted state.

Abstract: A lighting device includes a light-emitting device, a heat sink having a hollow unit inside, a translucent cover, and a thermoelectric element. The thermoelectric element includes a casing unit having a housing unit, and includes a first electrode unit, a second electrode unit having a work function different from that of the first electrode unit, and a middle unit including nanoparticles having a work function between the work function of the first electrode unit and the work function of the second electrode unit, which are provided inside the housing unit. The casing unit is provided on the inner surface of the hollow unit of the heat sink.

Abstract: A balloon wrapping apparatus for folding a balloon at a distal portion of an elongated shaft includes: a pleating section that forms the balloon with pleats; a folding section that folds the pleats formed in the balloon, along a circumferential direction; and a support base that supports the shaft and can be moved toward and away from the pleating section. The pleating section includes an insertion hole through which the balloon can be inserted, and a back surface hole provided in a back surface on the side opposite to the side on which the insertion hole is provided. The pleating section includes an assisting shaft which can be inserted into the back surface hole from the rear surface side, and an interlock portion interlocking the assisting shaft with the support base. The assisting shaft is formed with a cavity portion.

Abstract: A thin film transistor includes at least a gate electrode, a gate insulating film, an oxide semiconductor layer, source/drain electrodes, and at least one layer of a passivation film on a substrate. Metal elements constituting the oxide semiconductor layer include In, Ga, Zn, and Sn. Respective ratios of the metal elements to a total (In+Ga+Zn+Sn) of the metal elements in the oxide semiconductor layer satisfy: In: 30 atom % or more and 45 atom % or less, Ga: 5 atom % or more and less than 20 atom %, Zn: 30 atom % or more and 60 atom % or less, and Sn: 4.0 atom % or more and less than 9.0 atom %.

Abstract: A balloon wrapping apparatus and a balloon wrapping method are disclosed by which a balloon can be wrapped appropriately. The balloon wrapping apparatus for wrapping a balloon of a balloon catheter provided with the balloon at a distal portion of an elongated shaft includes: a pleating section that forms the balloon with wing shapes projecting in radial directions; a folding section that includes a plurality of blades aligned in a circumferential direction, and that folds the wing shapes formed in the balloon along the circumferential direction by moving rotationally the blades; and a rotational support portion that supports a portion of the shaft which portion is on a proximal side of the balloon, and that rotates the shaft in a direction opposite to a rotary movement direction of the blades in a state in which the balloon is positioned in relation to the folding section.

Abstract: A balloon wrapping apparatus is disclosed by which a balloon can be accurately positioned and inserted in relation to a pleating section. The balloon wrapping apparatus for wrapping a balloon provided at a distal portion of an elongated shaft includes: a pleating section that forms the balloon with wing shapes; a folding section that folds the wing shapes formed in the balloon along a circumferential direction; a support base that supports a portion other than the distal portion of the shaft, and that makes the distal portion of the shaft insertable into the pleating section and the folding section; and a core metal member to be inserted in the shaft. The core metal member is inserted in the shaft from a distal end position of the balloon to at least the proximal side of a proximal end position of the balloon.

Abstract: A thermoelectric element to convert thermal energy into electrical energy includes a first electrode part, a second electrode part having a different work function than the first electrode part and arranged at a distance from the first electrode part, on a same surface of a substrate as the first electrode part, and a middle part provided between the first electrode part and the second electrode part.

Abstract: A balloon wrapping apparatus and a balloon wrapping method are disclosed by which a balloon can be accurately positioned in relation to a pleating section and to a folding section. The balloon wrapping apparatus for wrapping a balloon of a balloon catheter provided with the balloon at a distal portion of an elongated shaft includes: a pleating section having a plurality of blades aligned with space parts therebetween in a circumferential direction, and forms the balloon with wing shapes projecting in radial directions by clamping the balloon in the space parts by moving rotationally the blades; and a folding section having a plurality of blades aligned in a circumferential direction, and that folds the wing shapes formed in the balloon in the circumferential direction by moving rotationally the blades; and a support base that supports a part of the shaft which part is on a proximal side of the balloon.

Abstract: A drug coating layer on a non-porous nylon elastomer balloon substrate surface comprising a plurality of elongated bodies with long axes wherein each elongated body is formed of a crystal of a water-insoluble drug and is independently formed on the substrate surface, wherein the long axes of the elongated bodies are substantially linear in shape, and the long axes of the elongated bodies form an angle in a predetermined range with respect to a substrate plane with which the long axis of the elongated body intersects. The drug coating layer can provide low toxicity and a high intravascular stenosis inhibitory effect.

Abstract: A balloon coating method for forming a coating layer containing a water-insoluble drug on an outer surface of a balloon of a balloon catheter. The method includes moving a drive shaft relative to at least one of a hub of the balloon catheter and an interlocking member. The drive shaft is configured to rotate the balloon catheter about an axis of the balloon. The method fixing the drive shaft to the proximal end of the hub or to the opening of the interlocking member by frictional force, and applying a coating solution containing the drug to the outer surface of the balloon from a dispensing tube while gradually moving the dispensing tube in the axial direction and simultaneously rotating the drive shaft to rotate the balloon catheter around the axis of the balloon catheter.