Abstract:
To provide a magnetic sheet composition, which contains: a binder; magnetic powder; and a curing agent, wherein the binder contains a thermosetting organic resin, and the curing agent contains a sulfonium borate complex expressed by General Formula 1: where R1 is an aralkyl group, R2 is a lower alkyl group, X is a halogen atom, and n is an integer of 0 to 3.
Abstract:
A thermally conductive sheet includes: a binder resin; and a first thermally conductive filler oriented in a thickness direction of the thermally conductive sheet. The thermally conductive sheet has a contact thermal resistance with regard to an adherend of 0.46° C.·cm2/W or less. The first thermally conductive filler is preferably a fibrous thermally conductive filler and/or a flaky thermally conductive filler. The thermally conductive sheet preferably further includes a second thermally conductive filler which is at least one selected from a group consisting of alumina, aluminum, zinc oxide, boron nitride, aluminum nitride, graphite, and a magnetic powder.
Abstract:
A thermally conductive sheet including a sheet body that is a cured product of a thermally conductive resin composition including a binder resin and carbon fibers covered with insulating coating films, wherein the carbon fibers exposed on a surface of the sheet body are not covered with the insulating coating films and are covered with a component of the binder resin.
Abstract:
A thermally-conductive sheet includes: a binder; and an anisotropic thermally-conductive filler. The anisotropic thermally-conductive filler is oriented in a thickness direction of the thermally-conductive sheet An arithmetical mean height Sa is 5 μm or less and a maximum height Sz is 50 μm or less on either surface of the thermally-conductive sheet. A dielectric breakdown voltage of the thermally-conductive sheet is 0.5 kV/mm or higher.
Abstract:
Provided is a thermally conductive sheet which is highly flexible and of which the thermal resistance value has small load dependency. A thermally conductive sheet 1 contains a curable resin composition 2, a flaky thermally conductive filler 3, and a non-flaky thermally conductive filler 4, wherein the amount of change between the thermal resistance value at load of 1 kgf/cm2 and the thermal resistance value at load in a range greater than 1 kgf/cm2 and not greater than 3 kgf/cm2 is not greater than 0.4° C.·cm2/W, and the amount of change between the compression rate at load of 3 kgf/cm2 and the compression rate at load of 1 kgf/cm2 is not less than 20%.
Abstract:
The disclosure aims at providing an antenna array for 5G communications that has superior thermal dissipation and crosstalk suppression effect. To achieve the above-described object, an antenna array 1 for 5G communications according to the disclosure includes a substrate 10; at least one high-frequency semiconductor device 20, a noise-suppressing thermally conductive sheet 20, and a first thermal dissipation member 41 sequentially formed on one surface 10a of the substrate 10; and at least one antenna 50 and a second thermal dissipation member 42 sequentially formed on the other surface 10b of the substrate 10.
Abstract:
A thermally conductive sheet, which contains: a binder; carbon fibers; and an inorganic filler, wherein the thermally conductive sheet is to be sandwiched between a heat source and a heat dissipation member of a semiconductor device, wherein the carbon fibers have an average fiber length of 50 μm to 250 μm, wherein thermal resistance of the thermally conductive sheet is less than 0.17 K·cm2/W, as measured in accordance with ASTM-D5470 with a load of 7.5 kgf/cm2, and wherein the thermally conductive sheet has an average thickness of 500 μm or less.
Abstract:
A heat-conductive sheet includes a binder resin and a fibrous filler having a major axis and dispersed in the binder resin. The major axis of the fibrous filler is arranged at an angle of 70 to 90 degrees with respect to a surface direction of the heat-conductive sheet when viewed in a cross-section along a thickness direction of the heat-conductive sheet. If the heat-conductive sheet is processed to a shape having a thickness of 2 mm and a diameter of 29 mm, and subject to a compression such that the thickness is decreased by 40% of the thickness before the compression, at room temperature for 24 hours, a difference of an angle of the major axis of the fibrous filler after release of the compression and an angle of the major axis of the fibrous filler before the compression is in a range within 10 degrees.
Abstract:
A thermally conductive sheet includes a binder resin and boron nitride flakes. The boron nitride flakes are oriented in a thickness direction of the thermally conductive sheet, and both surfaces of the thermally conductive sheet are tacky. A method for manufacturing a thermally conductive sheet includes preparing a thermally conductive composition containing a binder resin and boron nitride flakes. A molded block is formed from the thermally conductive composition. The molded block is sliced into a sheet shape to obtain a thermally conductive sheet precursor. The thermally conductive sheet precursor is pressed to obtain a thermally conductive sheet.
Abstract:
Provided is a method of manufacturing a heat conductive sheet that itself is imparted with stickiness and has reduced heat resistance due to improved adhesion to a heat generator and a heat dissipater and that may be fixed provisionally without the need for using an adhesive agent or the like. The method includes the steps of molding a heat conductive resin composition, which includes heat conductive fillers and a binder resin, into a predetermined shape and curing the heat conductive resin composition to obtain a molded product of the heat conductive resin composition, cutting the molded product into sheets to obtain a molded product sheet, and coating an entire surface of a sheet main body (7) with an uncured component (8) of the binder resin oozing from the sheet main body (7).