摘要:
An object is to, in a battery pack device in which battery cells are lined up, provide a thermally conductive member that can reduce the risk of heat being conducted to an adjacent battery cell in order to make the cooling property of each battery cell uniform, and a battery pack device using this thermally conductive member. Provided is a thermally conductive member arranged between battery cells when assembling the battery cells into a battery pack, wherein the thermally conductive member includes thermally conductive layers each having a thermal conductivity of 0.5 W/mK or more provided respectively on both sides of a backing layer having a thermal conductivity of less than 0.5 W/mK. Especially, it is preferred that a resin member forming the backing layer has a flexural modulus of 1 GPa or more.
摘要:
A flame-retardant thermally-conductive pressure-sensitive adhesive sheet includes a substrate and a flame-retardant thermally-conductive pressure-sensitive adhesive layer provided on at least one surface of the substrate. The substrate includes a polyester film and the thickness of the polyester film is 10 to 40 μm, and the thermal resistance of the flame-retardant thermally-conductive pressure-sensitive adhesive sheet is 10 cm2·K/W or less.
摘要:
A workpiece including an irregularly shaped portion on a dividing line is divided along the dividing line by detecting the location of the irregularly shaped portion, applying a detecting laser beam to an area of the workpiece except for the detected location, along the dividing line to detect the height of a surface of the workpiece except for the location, applying and focusing a machining laser beam having a wavelength which permeates the workpiece within the workpiece while moving a focused spot of the machining laser beam based on the detected height of the surface of the workpiece to form a modified layer in an area of the workpiece except for at least the location of the irregularly shaped portion along the dividing line, and applying an external force to the modified layer to divide the workpiece along the dividing line.
摘要:
In order to correct warpage resulting from the formation of a multilayer film, provided are a single crystal substrate which includes a heat-denatured layer provided in one of two regions including a first region and a second region obtained by bisecting the single crystal substrate in a thickness direction thereof, and which is warped convexly toward a side of a surface of the region provided with the heat-denatured layer, a manufacturing method for the single crystal substrate, a manufacturing method for a single crystal substrate with a multilayer film using the single crystal substrate, and an element manufacturing method using the manufacturing method for a single crystal substrate with a multilayer film.
摘要:
In order to correct warpage that occurs in formation of a multilayer film, provided are a single crystal substrate with a multilayer film, a manufacturing method therefor, and an element manufacturing method using the manufacturing method. The single crystal substrate with a multilayer film includes: a single crystal substrate (20); a multilayer film (30) including two or more layers that is formed on one surface of the single crystal substrate (20) and having a compressive stress; and a heat-denatured layer (22) provided, of two regions (20U, 20D) obtained by bisecting the single crystal substrate (20) in the thickness direction thereof, at least in the region (20D) on the side of the surface opposite to the one surface of the single crystal substrate (20) having the multilayer film (30) formed thereon.
摘要:
An object is to provide a thermally conductive adhesive sheet capable of making a heat generating body and a heat radiating body adhere to each other easily and with a sufficient adhesive force. Provided is a thermally conductive adhesive sheet including an adhesive agent layer formed by molding a thermally conductive adhesive agent composition including an acrylic polymer component into a sheet-like shape, wherein the adhesive force at the time of 180° peeling is 1 N/20 mm or more and the contact thermal resistance is 0.6 cm2·K/W or less when the adhesive sheet is pressure bonded to an adherend with a pressure of 200 kPa.
摘要:
Provided is a method for producing a thermally-conductive adhesive sheet including a thermally-conductive adhesive agent layer by performing: a composition preparation step of preparing a thermally-conductive adhesive agent composition including a thermally-conductive particle and an acrylic polymer component; and an adhesive agent layer formation step of forming a sheet-shaped thermally-conductive adhesive agent layer with the thermally-conductive adhesive agent composition, wherein in the composition preparation step, a cyclic organic compound of 8 or less carbon atoms, or an organic compound of 3 or less carbon atoms having a hydroxy, ketone, aldehyde, carboxyl or nitrile group is mixed as a constitutional component of the thermally-conductive adhesive agent composition.
摘要:
A method of detecting an object of detection formed in the inside of or on a non-exposed surface of a workpiece having a rugged exposed surface, the detection being made on the exposed surface side of the workpiece by use of an imaging unit. The detecting method includes: a flattening step of coating the exposed surface of the workpiece with a liquid resin transmissive to the wavelength of light to be detected by the imaging unit so as to flatten the exposed surface of the workpiece; and a detecting step of detecting the object of detection formed in the inside of or on the non-exposed surface of the workpiece by use of the imaging unit on the exposed surface side of the workpiece coated with the liquid resin, after the flattening step.
摘要:
A workpiece dividing method for dividing a workpiece having an uneven incident surface upon which a pulsed laser beam falls. The workpiece dividing method includes a coating step of applying a coating member to the incident surface of the workpiece, thereby planarizing the incident surface of the workpiece, the coating member transmitting the pulsed laser beam and having a refractive index close to that of the workpiece for the pulsed laser beam, a modified layer forming step of applying the pulsed laser beam to the workpiece from the side of the incident surface in the condition where a focal point of the pulsed laser beam is set inside the workpiece after performing the coating step, thereby forming a modified layer inside the workpiece, and a dividing step of applying an external force to the workpiece after performing the modified layer forming step, thereby dividing the workpiece as starting from the modified layer formed inside said workpiece as a break start point.
摘要:
A laser beam processing machine comprising a chuck table for holding a workpiece, a laser beam application means for applying a laser beam to the workpiece held on the chuck table, and a processing-feed means for moving the chuck table and the laser beam application means relative to each other, wherein the condenser of the laser beam application means comprises a first prism for dividing the laser beam oscillated from the laser beam oscillation means into a first laser beam and a second laser beam both having a semicircular section and interchanging the first laser beam and the second laser beam, a second prism for correcting the optical paths of the first laser beam and the second laser beam formed by the first prism to become parallel each other, and an image forming lens for forming respective spots of the first laser beam and the second laser beam whose optical paths have been corrected to be parallel each other by the second prism, into images of spots having linear portions on the outer sides and arcuate portions on the inner sides.