Abstract: A processing apparatus using laser according to an embodiment includes a stage configured to hold a substrate and rotate, and a laser irradiation apparatus capable of moving in a radial direction of the rotation. The laser irradiation apparatus includes a control unit configured to control an output of an infrared pulsed laser so that L1/L2 satisfies 1.2 or more and 10 or less when a distance between laser spots adjacent to each other in a rotation direction of the stage is L1 and a distance between laser spots adjacent to each other in the radial direction of the rotation is L2.

Abstract: A first separator member forming a power generation cell, which is a fuel cell, includes a first separator body. A first support bead, which is formed to be lower in height than a first seal bead and restricts the inclination of the first seal bead, is provided outside a first seal in the first separator body. The width of the first support bead varies depending on the position of the first support bead in the direction in which the first support bead extends.

Abstract: A first outer peripheral seal in a first metal separator of a fuel cell stack includes a first peripheral metal bead. A first bypass stopper is provided in a space between a first end ridge and a first outer peripheral seal. The first bypass stopper prevents bypassing of an oxygen-containing gas by blocking part of the space. A gap is provided between the first bypass stopper and the first metal bead of a first outer peripheral seal. The gap separates the first bypass stopper from the first metal bead.

Abstract: In a power generation cell, cathode flow field grooves forming a gas flow field of a cathode separator arranged to face an MEA are formed of first cathode flow field grooves blocked on an outlet side and second cathode flow field grooves blocked on an inlet side. The first cathode flow field grooves and the second cathode flow field grooves are arranged adjacent to each other in the flow field width direction.

Abstract: According to one embodiment, in a semiconductor device, a first film is arranged on a side of a main surface of the substrate. A second film is arranged on an opposite side of the substrate with the first film interposed therebetween. A main surface of the second film is in contact with a main surface of the first film. A third film is arranged on an opposite side of the first film with the second film interposed therebetween. A main surface on a side of the substrate of the third film has two-dimensionally-distributed protrusions or recesses. A main surface on an opposite side of the substrate of the third film is flat. Absorptance of infrared light of the second film is higher than absorptance of the infrared light of the third film. Thermal expansion coefficient of the third film is different from thermal expansion coefficient of the second film.

Abstract: A processing apparatus using laser according to an embodiment includes a stage configured to hold a plurality of substrates on concentric circles and rotates around a center of the concentric circles, and a laser irradiation apparatus capable of moving in a radial direction of the concentric circles, the laser irradiation apparatus including a control unit configured to control an output of an infrared pulsed laser so that a plurality of laser spots adjacent to each other are separated from each other.

Abstract: A fuel cell has a tunnel protruding from a passage bead seal toward a passage to thereby allow an internal space of the passage bead seal to communicate with the passage, and an extending portion located on a side of the tunnel so as to extend from the passage bead seal toward the passage, the extending portion being lower in height than the tunnel.

Abstract: A first metal separator includes a seal bead protruding from a base plate. The seal bead includes a curved section having a curved shape in a plan view of the first metal separator. The combination of the radius of curvature and the angle of the curved section is set within a specific zone where variation in a seal surface pressure in a direction in which the seal bead extends is suppressed.

Abstract: A separator is stacked on each of both surfaces of a membrane electrode assembly to form a fuel cell. This separator includes a base part extending in the form of a surface, and a bead continuous with the base part and protruding from the base part in a stacking direction. The bead includes, in plan view, a straight section extending straight and a curved section continuous with the straight section and curved from the straight section. In the separator, the height from the base part to a top part of the curved section is configured to be lower than the height from the base part to a top part of the straight section.

Abstract: A fuel cell has a tunnel protruding from a passage bead seal toward a passage to thereby allow an internal space of the passage bead seal to communicate with the passage, and an extending portion located on a side of the tunnel so as to extend from the passage bead seal toward the passage, the extending portion being lower in height than the tunnel.

Abstract: A manufacturing method of a semiconductor device according to an embodiment comprises, bonding a first semiconductor substrate and a second semiconductor substrate to form a stack, filling a first fill material having a first viscosity in a gap located between an outer peripheral portion of the first semiconductor substrate and an outer peripheral portion of the second semiconductor substrate, filling a second fill material having a second viscosity higher than the first viscosity in the gap so as to be adjacent to the first fill material after filling the first fill material in the gap and thinning the second semiconductor.

Abstract: A passage bead seal of a fuel cell joint separator includes a straight portion and curved portions. An oxygen-containing gas bridge section connecting the inside and the outside of a portion surrounded by a passage bead seal includes inner tunnels and outer tunnels coupled to an inner side wall and an outer side wall of a straight portion, and protruding in a separator thickness direction. The tunnel height is determined to be smaller than the bead seal height by not less than a predetermined value in a manner that a line pressure applied by a compression load to a front end surface of the straight portion becomes the same as a line pressure applied by the compression load to a front end surface of the curved portion.

Abstract: In a fuel cell separator member of a fuel cell stack, a first metal bead and first ribs are formed integrally with and protruded from a surface of the first metal separator. Each of the first ribs includes a first rib body and two first retracted portions. The protruding height of each of the two first retracted portions is smaller than the protruding height of the first rib body.

Abstract: Each of a fuel cell and a fuel cell stack includes an anode discharge passage connected to one end of a fuel gas flow field in the horizontal direction and configured to discharge a fuel gas in a stacking direction in which a membrane electrode assembly and separators are stacked, and a cathode discharge passage connected to another end of an oxygen-containing gas flow field in the horizontal direction and configured to discharge an oxygen-containing gas in the stacking direction. A bottom portion of a lowermost cathode discharge passage is provided below a bottom portion of a lowermost anode discharge passage.

Abstract: A fuel cell joint separator includes a passage bead and an outer bead. In a dual seal section where the passage bead and the outer bead extend next to each other, a ridge protruding from one surface of a metal separator is formed integrally with the metal separator, between the passage bead and the outer bead. The height of the ridge is smaller than the height of the bead seal compressed by the tightening load. A joining line is provided between the outer bead and the ridge.

Abstract: A fuel cell separator member of a fuel cell stack includes a metal separator on which a seal bead is formed, and a pressure receiving member provided on a surface of the metal separator, separately from the metal separator. The pressure receiving member is provided along a seal bead, and the height of the pressure receiving member is lower than the height of the seal bead in the state where the tightening load is applied and no impact load is applied.

Abstract: A first separator member forming a power generation cell, which is a fuel cell, includes a first separator body. A first support bead, which is formed to be lower in height than a first seal bead and restricts the inclination of the first seal bead, is provided outside a first seal in the first separator body. The width of the first support bead varies depending on the position of the first support bead in the direction in which the first support bead extends.

Abstract: A manufacturing method of a semiconductor device according to an embodiment comprises, bonding a first semiconductor substrate and a second semiconductor substrate to form a stack, filling a first fill material having a first viscosity in a gap located between an outer peripheral portion of the first semiconductor substrate and an outer peripheral portion of the second semiconductor substrate, filling a second fill material having a second viscosity higher than the first viscosity in the gap so as to be adjacent to the first fill material after filling the first fill material in the gap and thinning the second semiconductor.

Abstract: In a flange in the form of a flat plate inside a bead seal (e.g., fluid passage bead) around a fluid passage (e.g., an oxygen-containing gas supply passage) of a fuel cell metal separator (e.g., a first metal separator), a tunnel is provided in a straight segment adjacent to a curved segment of an inner marginal portion of the flange. The tunnel is formed by expansion in a separator thickness direction.

Abstract: A first outer peripheral seal in a first metal separator of a fuel cell stack includes a first peripheral metal bead. A first bypass stopper is provided in a space between a first end ridge and a first outer peripheral seal. The first bypass stopper prevents bypassing of an oxygen-containing gas by blocking part of the space. A gap is provided between the first bypass stopper and the first metal bead of a first outer peripheral seal. The gap separates the first bypass stopper from the first metal bead.