Abstract: A stereoilithography apparatus includes a first optical system, a second optical system, an area setter and a moving mechanism. The first optical system emits a first light to a photocurable material. The second optical system emits a second light to the photocurable material such that a target area is formed in the photocurable material. The target area linearly intersects the first light in a first direction. The area setter sets a first area and a second area for at least one of the first light and the second light in the first direction at the target area. The first area and the second areas have different optical properties from each other. The moving mechanism moves the target area. The stereolithography apparatus cures the photocurable material at the target area.

Abstract: According to one embodiment, a method for producing an electrode, includes applying tensile force. The electrode includes a strip current collector, a current collector exposed portion, and an active material-containing layer. In the applying tensile force, arranging a strip electrode plate on a roller including a step portion and a recessed portion such that the current collector exposed portion is positioned on the step portion and the active material-containing layer is positioned on the recessed portion, and then applying tensile force to the strip electrode plate in a longitudinal direction of the strip electrode plate.

Abstract: According to one embodiment, a method for producing an electrode, includes applying tensile force. The electrode includes a strip current collector, a current collector exposed portion, and an active material-containing layer. In the applying tensile force, arranging a strip electrode plate on a roller including a step portion and a recessed portion such that the current collector exposed portion is positioned on the step portion and the active material-containing layer is positioned on the recessed portion, and then applying tensile force to the strip electrode plate in a longitudinal direction of the strip electrode plate.

Abstract: In a stereolithography apparatus according to an embodiment, for example, a first optical system emits a first light to a photocurable material. A second optical system emits a second light to the photocurable material such that the second light linearly intersects the first light in a first direction in the photocurable material. An area setter sets, for at least one of the first light and the second light, a first area and a second area having different optical properties from each other, at an intersection of the first light and the second light in the first direction. A moving mechanism moves the intersection of the first light and the second light. The stereolithography apparatus cures the photocurable material at the intersection of the first light and the second light.

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery. A negative electrode current collector comprises a coated portion on which the negative electrode active material layer is provided and a noncoated portion which is adjacent to the coated portion, in which the negative electrode active material layer is not present. A density of the negative electrode active material layer is within a range of 2.1 g/cc to 2.4 g/cc. A ratio W1/W2 of a mass of the coated portion per unit area (W1) to a mass of the noncoated portion per unit area (W2) is from 0.997 to 1.

Abstract: According to one embodiment, a press apparatus for an electrode, includes, a press unit configured to compress an electrode sheet includes a first region formed with an electrode layer on a surface thereof and a second region on which the electrode layer is not formed, and a stretching unit includes a stretching member, which comprises a projecting surface located opposite the electrode sheet and projecting toward the electrode sheet, in a position corresponding to the second region, a retracted surface retracted from the electrode sheet relative to the projecting surface, in a position corresponding to the first region, and a relief surface retracted away from the electrode sheet, in a position corresponding to an edge portion of the electrode sheet.

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery. A positive electrode current collector comprises a coated portion on which the positive electrode active material layer is provided and a noncoated portion which is adjacent to the coated portion in a direction parallel to the first surface, in which the positive electrode active material layer is not present. A density of the positive electrode active material layer is within a range of 3.1 g/cc to 3.4 g/cc. A ratio W1/W2 of a mass of the coated portion per unit area (W1) to a mass of the noncoated portion per unit area (W2) is from 0.997 to 1.

Abstract: According to one embodiment, a double-sided coating apparatus includes a first coating head arranged on one side of a raw material to coat the one side with a coating liquid by alternately forming a coating region and a non-coating region in a direction crossing a delivery direction, a second coating head arranged on the other side of the raw material to coat the other side with the coating liquid by alternately forming the coating region and the non-coating region in the direction crossing the delivery direction, and a coating roller arranged near a position on the one side of the raw material and opposite to the second coating head across the raw material and having a large-diameter portion and a small-diameter portion with different diameters along an axial direction with the small-diameter portion opposite to the coating region and the large-diameter portion opposite to the non-coating region.

Abstract: According to one embodiment, a manufacturing method of an electrode includes supplying a current collector, coating the current collector with a slurry and drying the slurry. In the manufacturing method of the electrode, the current collector is supplied onto a backup roll including annular protruding portions formed on an outer circumferential surface of the backup roll. A surface of the current collector excluding a portion arranged on a plurality of the annular protruding portions is coated with slurry containing an active material. And, then, the slurry is dried.

Abstract: According to one embodiment, a manufacturing method of an electrode, includes coating first and second surfaces of a current collector with slurry, and drying. The first surface is coated with the slurry in such a way that a slurry coated portion and a slurry non-coated portion are alternately arranged in a direction perpendicular to a moving direction of the current collector. The slurry non-coated portion is arranged on annular protruding portions of a backup roll. The second surface excluding a portion arranged on the annular protruding portions is coated with the slurry, thereby forming the slurry coated portion. Next, the slurry coated portions are dried.

Abstract: According to one embodiment, a manufacturing method of an electrode, includes coating a first surface of a current collector with slurry, coating a second surface of the current collector with the slurry, and drying. The first and second surfaces are coated with the slurry in such a way that a slurry coated portion and a slurry non-coated portion are alternately arranged in a direction perpendicular to a moving direction of the current collector. The slurry non-coated portion is arranged on annular protruding portions of a backup roll. The slurry coated portion is dried by a drying apparatus. A formula (1), 0<L1, and a formula (2), 0<L2, are satisfied.

Abstract: An electronic apparatus includes: a first molded body; a second molded body which composes housing with the first molded body; a first conductive pattern provided in the housing; a second conductive pattern provided on an outer surface of the housing; and a first conductive member. The first conductive member passes through a gap of a mating face between the first molded body and the second molded body. The first conductive member connects the first conductive pattern and the second conductive pattern.

Abstract: An electronic apparatus includes: a first molded body; a second molded body which composes housing with the first molded body; a first conductive pattern provided in the housing; a second conductive pattern provided on an outer surface of the housing; and a first conductive member. The first conductive member passes through a gap of a mating face between the first molded body and the second molded body. The first conductive member connects the first conductive pattern and the second conductive pattern.

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery. A negative electrode current collector comprises a coated portion on which the negative electrode active material layer is provided and a noncoated portion which is adjacent to the coated portion, in which the negative electrode active material layer is not present. A density of the negative electrode active material layer is within a range of 2.1 g/cc to 2.4 g/cc. A ratio W1/W2 of a mass of the coated portion per unit area (W1) to a mass of the noncoated portion per unit area (W2) is from 0.997 to 1.

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery. A positive electrode current collector comprises a coated portion on which the positive electrode active material layer is provided and a noncoated portion which is adjacent to the coated portion in a direction parallel to the first surface, in which the positive electrode active material layer is not present. A density of the positive electrode active material layer is within a range of 3.1 g/cc to 3.4 g/cc. A ratio W1/W2 of a mass of the coated portion per unit area (W1) to a mass of the noncoated portion per unit area (W2) is from 0.997 to 1.

Abstract: According to one embodiment, a method for producing an electrode, includes applying tensile force. The electrode includes a strip current collector, a current collector exposed portion, and an active material-containing layer. In the applying tensile force, arranging a strip electrode plate on a roller including a step portion and a recessed portion such that the current collector exposed portion is positioned on the step portion and the active material-containing layer is positioned on the recessed portion, and then applying tensile force to the strip electrode plate in a longitudinal direction of the strip electrode plate.

Abstract: According to one embodiment, a winding device includes, a winding core having a non precise circle cross-section perpendicular to a direction in which a center of rotation extends, and a holding device including a first holding section and a second holding section configured to hold the windable material therebetween such that an imaginary line which passes between the first and second holding sections and extends perpendicular to a direction in which the windable material is introduced between the first and second holding sections and the extending direction of the center of rotation passes through a position off the center of rotation and that at least part of the winding core overlaps the imaginary line while the winding core is rotating.

Abstract: According to one embodiment, a press apparatus for an electrode, includes, a press unit configured to compress an electrode sheet includes a first region formed with an electrode layer on a surface thereof and a second region on which the electrode layer is not formed, and a stretching unit includes a stretching member, which comprises a projecting surface located opposite the electrode sheet and projecting toward the electrode sheet, in a position corresponding to the second region, a retracted surface retracted from the electrode sheet relative to the projecting surface, in a position corresponding to the first region, and a relief surface retracted away from the electrode sheet, in a position corresponding to an edge portion of the electrode sheet.

Abstract: According to one embodiment, a double-sided coating apparatus includes a transport mechanism configured to convey the substrate, a first coating head disposed on one surface side of the substrate and configured to apply the coating liquid to the coated and uncoated regions, a second coating head disposed on the other surface side of the substrate and configured to apply the coating liquid to the coated and uncoated regions, and a coating roll disposed on the one surface side of the substrate and near a position where the coating roll is opposed to the second coating head with the substrate therebetween and includes first rollers disposed on axially opposite portions, at least one second roller disposed between the first rollers, and a rotation mechanism configured to rotate the first and second rollers such that the peripheral speed of the first rollers is higher than that of the second roller.

Abstract: According to one embodiment, a double-sided coating apparatus includes a first coating head arranged on one side of a raw material to coat the one side with a coating liquid by alternately forming a coating region and a non-coating region in a direction crossing a delivery direction, a second coating head arranged on the other side of the raw material to coat the other side with the coating liquid by alternately forming the coating region and the non-coating region in the direction crossing the delivery direction, and a coating roller arranged near a position on the one side of the raw material and opposite to the second coating head across the raw material and having a large-diameter portion and a small-diameter portion with different diameters along an axial direction with the small-diameter portion opposite to the coating region and the large-diameter portion opposite to the non-coating region.