Abstract: A protective element includes: an insulating substrate; first and second electrodes provided on the insulating substrate; a heating element formed on the insulating substrate; a heating-element extraction electrode electrically connected to the heating element; a fusible conductor mounted from the first electrode to the second electrode with the heating-element extraction electrode interposed between the first and second electrodes; and an insulating protective layer which covers the heating element and includes a thermally conductive filler.

Abstract: An image display device including an image display panel and a front panel that are laminated via a transparent resin layer, when a photocurable material for forming the transparent resin layer is used as a dam agent or a fill agent, the photocurable material includes a component (a), which is a (meth)acrylic acid ester component; a component (b), which is a plasticizer component; and a component (c), which is a photopolymerization initiator component in order to make it difficult to visually recognize a knit line between the dam portion and the fill portion of the transparent resin layer after curing. A difference between the refractive index of the photocured product of the component (a), which is the (meth)acrylic acid ester component and the refractive index of the plasticizer component as the component (b) is 0.02 or less.

Abstract: A silicon nitride film is formed on the surface of the semiconductor substrate by supplying a raw material gas containing SiH4, NH3 and N2 into a reaction chamber by a plasma-accelerated chemical vapor deposition method, the ratio of the binding energy of the Si—H bond to the binding energy of the N—H bond in the silicon nitride film is defined as the binding energy ratio, and the ratio of the supply flow rate of NH3 to SiH4 is defined as the supply flow rate ratio, the supply flow rate ratio is set so that the sum of the concentration of the N—H bond multiplied by the binding energy ratio and the concentration of the Si—H bond is minimized.

Abstract: An optical filter includes a transmission portion transmitting light and an absorption portion absorbing light between a plane of incidence and a plane of emission, and the volume of the transmission portion is larger than the volume of the absorption portion. For the optical filter, when the transmission spectrum S0 of light incident at an incidence angle of 0° and the transmission spectrum S60 of light incident at an incidence angle of 60° are superimposed, the transmittance (%) at an incidence angle of 60° is lower than the transmittance (%) at an incidence angle of 0° by 15% or more for a first wavelength band, and the difference between the transmittance (%) at an incidence angle of 60° and the transmittance (%) at an incidence angle of 0° is 10% or less for a second wavelength band.

Abstract: Provided are a cylindrical base, a master and a method for manufacturing a master enabling a uniform transfer of a fine pattern. A cylindrical base of a quartz glass having an internal strain in terms of birefringence of less than 70 nm/cm is used. A resist layer is deposited to an outer circumference surface of this cylindrical base, a latent image is formed on the resist layer, the latent image formed on the resist layer is developed and the pattern of the developed resist layer is used as a mask for etching to form a structure including concaves or convexes arranged in a plurality of rows on the outer circumference surface of the cylindrical base.

Abstract: This protective element includes a fusible conductor (1a), three or more electrodes (2a), (2b), (2c) electrically connected to each other via the fusible conductor (1a), and a heating element configured to heat and fuse the fusible conductor (1a).

Abstract: Provided is a protection circuit capable of reliably preventing an overcurrent or a sneak current after cutoff to improve safety, implementing cost reduction with a device configuration simpler than conventional device configurations, and further reducing a failure rate of a device. In a protection circuit, after one of two fuse elements provided in each of a plurality of protection elements is blown due to an overcurrent flowing along a current-carrying path, a heater provided in at least one of the plurality of protection elements generates heat due to a sneak current flowing via the plurality of protection elements on the current-carrying path which is remained and the current-carrying path which is remained is cut off due to destruction of the heater.

Abstract: A protection element includes: a fuse element configured to be energized in a first direction, which is a direction from a first end portion of the fuse element to a second end portion of the fuse element; a shielding member including a plate-shaped part, configured to rotate around a rotation axis extending in a second direction orthogonal to the first direction, wherein the plate-shaped part viewed from the fuse element is divided to a first portion and a second portion at a contact position between the plate-shaped part and the rotation axis, and an area of the first portion and an area of the second portion are different from each other; and a case having therein a housing portion. Pressure elevation in the housing portion due to an arc discharge causes the shielding member to rotate around the rotation axis and the shielding member divides the housing portion.

Abstract: There are provided a master and a method for manufacturing the master, the master having, on its outer peripheral surface, a concave-convex structure in which concavities or convexities are continuously arranged with high precision. The master includes: a substrate with a hollow cylindrical shape or cylindrical shape; and a concave-convex structure on an outer peripheral surface of the substrate. The concave-convex structure has concavities or convexities continuously arranged at a predetermined pitch in a circumferential direction of the substrate. The concavities or convexities are arranged with a predetermined phase difference between circumferential rows adjacent in an axial direction of the substrate.

Abstract: An anisotropic electrically conductive film has a structure wherein the electrically conductive particles are disposed on or near the surface of an electrically insulating adhesive base layer, or a structure wherein an electrically insulating adhesive base layer and an electrically insulating adhesive cover layer are laminated together and the electrically conductive particles are disposed near the interface therebetween. Electrically conductive particle groups configured from two or more electrically conductive particles are disposed in a lattice point region of a planar lattice pattern. A preferred lattice point region is a circle centered on a lattice point. A radius of the circle is not less than two times and not more than seven times the average particle diameter of the electrically conductive particles.

Abstract: An optical device producing method includes: Step A of forming a wall portion surrounding an application region for a photocurable resin composition on an optical member or a transparent panel; Step B of applying a photocurable resin composition to the application region; Step C of forming a laminate by laminating the optical member and the transparent panel via the photocurable resin composition under a reduced-pressure atmosphere lower than atmospheric pressure; and Step D of removing babbles in the photocurable resin composition by pressurizing the laminate. In Step B, at least the height of the photocurable resin composition on the side of the wall portion is made higher than the height of the wall portion, and the photocurable resin composition is applied so that the laminate formed in Step C has a plurality of separated spaces separated by bubbles formed in the thickness direction of the photocurable resin composition.

Abstract: A reflective optical sensor (1) has first and second cases (11, 21) each equipped with first and second paraboloid mirrors (14, 24) and the symmetry axes (A1, A2) which intersect on the opposite side to the vertice (V1, V2) with respect to the focal points (F1,F2), and the light emitting element (12) is fitted at or near the focal point (F1) so as to face the first paraboloid mirror (14), the light receiving element (22) is fitted at or near the focal point (F2) so as to face the second paraboloid mirror (24), and the first and second cases (11, 21) are filled with sealing resin (2).

Abstract: A replica master mold 10 comprises: a base material layer 11; and a surface shape body 12 formed on the base material layer 11 and having a fine irregular pattern, wherein a softening temperature of the surface shape body 12 is higher than a softening temperature of the base material layer 11.

Abstract: This protective element includes a fuse element having a first end portion and a second end portion, in which current flows from the first end portion toward the second end portion, a protruding member and a recessed member that are positioned opposing one another so as to sandwich a cutoff portion, and a pressing device that imparts an elastic force that shortens the relative distance in a first direction that represents the direction in which the protruding member and the recessed member sandwich the cutoff portion, wherein at least one pair of opposing surfaces of a protruding portion of the protruding member and a recessed portion of the recessed member that intersect the direction of current flow through the fuse element are positioned close to one another when viewed in a plan view from the first direction, and the fuse element is cut at a temperature equal to or higher than the softening temperature of the material that constitutes the fuse element.

Abstract: An optical laminate, includes: a transparent substrate; at least one hard-coat layer provided on the transparent substrate, the at least one hard-coat layer being made of a resin composition; and at least one metal-oxide layer provided on the hard-coat layer, the at least one metal-oxide layer being made of a metal oxide. A concave/convex structure is formed on the metal-oxide-layer-side surface of the hard-coat layer. A height distribution of a surface of the concave/convex structure satisfies formula (1): A/1.9<P (1). When a height B of a lowest point on the surface of the concave/convex structure is defined as 0, A is a height of a highest point on the surface of the concave/convex structure, and P is a mode of the height distribution of the surface of the concave/convex structure.

Abstract: To form an optical body having a micro concave-convex structure on at least part of an adherend with high accuracy. Provided is an optical laminate including an adherend, a bonding layer formed on at least part of a surface of the adherend, and an optical body bonded to the adherend with the bonding layer. A micro concave-convex structure in which concavities and convexities are arranged at an average cycle less than or equal to a visible light wavelength is formed in at least one surface of the optical body. The bonding layer is provided on the other surface of the optical body. An initial 90° peeling force when peeling the optical body from a transfer body having an inverted concave-convex structure fitted in the micro concave-convex structure of the optical body is less than or equal to 70% of a 90° peeling force between the optical body and the bonding layer.

Abstract: A protection element (10) of the present invention has a substrate (11), a first fuse element (12) and a second fuse element (13) connected in series on the substrate (11), a heater (14) connected between the first fuse element (12) and the second fuse element (13), a third upper electrode part (17) connected between the first fuse element (12) and the second fuse element (13) and connected to the heater (14) in series, a first conduction part (18) connected to the third upper electrode part (17) and having a lower resistance value than the heater (14), and a third lower electrode part (19) connected to the first conduction part (18) and configured to be connectable to an external protection circuit.

Abstract: A conductive particle-disposed film of the present invention useful for a test probe unit for a continuity test of a fine-pitch continuity test object such as a semiconductor device is configured so that conductive particles are disposed in the surface direction of the elastomer film. The thickness of the elastomer film approximately coincides with the average particle diameter of the conductive particles. Ends of the conductive particles are positioned in the vicinity of respective outermost faces of both surfaces of the elastomer film. The same or different conductive particle-disposed films may be layered. A pressure-sensitive adhesive layer may be formed on at least one surface of the conductive particle-disposed film.

Abstract: A roll manufacturing apparatus includes a rotary device including a rotary encoder, a cutting tool stage that holds a spindle unit, which includes a rotatable cutting blade, reciprocatably in a radial direction of a roll and is movable in the radial direction of the roll, a signal generator that generates, based on signals output from the rotary encoder, a control waveform indicating a movement pattern to reciprocate the cutting blade at positions corresponding to predetermined cutting portions, and a controller that moves the cutting tool stage so that a cutting process of reciprocating the cutting blade in the radial direction of the roll while rotating the cutting blade, according to the control waveform, to perform cutting once or multiple times with the cutting blade at a predetermined cutting depth is performed multiple times.

Abstract: In order to provide an optical device and a diffusion plate which has high transmittance and is capable of reducing speckle noise, the present it is a diffusion plate 1 in which a plurality of microlens cells 11 are arranged on both surfaces of a transparent substrate 10, the diffusion plate 1 having a first microlens array 12A which is formed on one surface of the transparent substrate 10 and comprises a plurality of concave or convex microlens cells 11, and a second microlens array 12B which is formed on the other surface on the reverse side from the one surface and comprises a plurality of concave or convex microlens cells 11, and the diffusion plate 1 being configured so that light emitted from the microlens cells 11 constituting the first microlens array 12A is incident on the microlens cells 11 constituting the second microlens array 12B.