Abstract: To provide a dielectric sheet that can be used as an elastomer connector in order to connect highly integrated circuit board and fine pitch electronic parts. The dielectric sheet (10f) comprises a first penetrating region (222c) having high permittivity, and a second penetrating region (33a) having conductivity, the regions are arranged and formed in such a way that they are alternatively interspersed in longitudinal and crosswise directions in a non-conductive sheet-shaped elastomer. The transverse thickness W2 and longitudinal thickness W5 in the first penetrating region (222c) may be arbitrarily determined. Similarly, the transverse thickness W3 and longitudinal thickness W5 in the second penetrating region (33a) may be arbitrarily determined. The dielectric sheet (10f) serves to compliment the circuit of electronic parts (for example, the printing board) to be connected thereto.

Abstract: To provide a dielectric sheet that can be used as an elastomer connector in order to connect highly integrated circuit board and fine pitch electronic parts. The dielectric sheet (10f) comprises a first penetrating region (222c) having high permittivity, and a second penetrating region (33a) having conductivity, the regions are arranged and formed in such a way that they are alternatively interspersed in longitudinal and crosswise directions in a non-conductive sheet-shaped elastomer. The transverse thickness W2 and longitudinal thickness W5 in the first penetrating region (222c) may be arbitrarily determined. Similarly, the transverse thickness W3 and longitudinal thickness W5 in the second penetrating region (33a) may be arbitrarily determined. The dielectric sheet (10f) serves to compliment the circuit of electronic parts (for example, the printing board) to be connected thereto.

Abstract: An anisotropic conductive sheet interposed between a circuit board such as a substrate and various circuit parts to render them conductive and its manufacturing method. The anisotropic conductive sheet has a fine pitch required by the recent highly integrated circuit boards and electronic parts. In the anisotropic conductive sheet in which conductive members are scattered in a nonconductive matrix, the conductive members (e.g., 24) penetrate through the sheet (10) in the direction of thickness and conductive auxiliary layers (e.g., 25) are in contact with the conductive members (e.g., 24).

Abstract: The present invention provides a manufacturing method of a rigid polyurethane foam for a heat insulation material that satisfies performance required for practical use, such as a low thermal conductivity over a long period, and excellent adhesiveness and excellent dimensional stability under a low temperature environment. The manufacturing method of a rigid polyurethane foam for a heat insulation material, which is formed from blowing and molding using a mixture that includes polyisocyanate, a polyol, and a blowing agent, wherein a polyol prepared by addition-polymerizing ethylene oxide and propylene oxide to an aromatic monoamine compound or an aromatic diol compound.

Abstract: An anisotropic conductive sheet manufactured through improved manufacturing steps and a method of manufacturing the same. Conductive portions are unevenly arranged in a nonconductive elastomer having fluidity and serving as a matrix, the conductive portions highly densely containing the conductive particles having a specific gravity greater than that of the matrix component, the conductive particles are unevenly dispersed to form substantially nonconductive portions, and the conductive portions and the nonconductive portions are integrally cured to mold anisotropic conductive pieces. The anisotropic conductive pieces are so laminated that the conductive portions and the nonconductive portions are alternately arranged thereby to obtain a first laminate, and the first laminate is cut maintaining a predetermined thickness to obtain a zebra-like sheet.

Abstract: An anisotropic conductive sheet capable of transmitting high-speed digital signals reliably is provided. The anisotropic conductive sheet has a conductive property in a thickness direction thereof under a predetermined condition, and includes: insulative matrix members having a dielectric constant value of at most 2.28 and a dielectric loss value of at most 0.025; and conductive members having a conductive property in the thickness direction under the predetermined condition in the conductive members capable of flowing electricity between top and bottom surfaces thereof are located in a scattered manner in the matrix members, and the conductive and matrix members are bonded chemically. Especially, the matrix member is made from a resin material having a resin foamed body of a foaming structure, i.e. homogeneous microcell structure. At least one of the conductive members may be of conductive elastomer.

Abstract: An anisotropic conductive sheet interposed between a circuit board such as a substrate and various circuit parts to render them conductive and its manufacturing method. The anisotropic conductive sheet has a fine pitch required by the recent highly integrated circuit boards and electronic parts, and exhibits conductivity in only the direction of thickness of the sheet due to the use of conductive thin layers such as of a metal which does not slip out. The anisotropic conductive sheet (10) includes conductive thin layers (30) that are scattering in the direction of plane of the anisotropic conductive sheet (10) and are penetrating through in the direction of thickness of the anisotropic conductive sheet (10).

Abstract: An anisotropic conductive sheet for high frequencies is provided as elastomer for connecting high-integrated circuit boards and fine pitch electronic components of recent years. Anisotropic conductive sheet (30) has a sheet-shaped elastomer (1c), and a non-conductive rectangular first penetrating region (11) is formed vertically and horizontally in a state surrounded by the sheet-shaped elastomer (1c). In addition, an electrically-conductive second penetrating region (12) is formed in a rectangular manner in a state surrounded by the first penetrating region (11). The first penetrating region 11 can be a high-dielectric rectangular third penetrating region. The anisotropic conductive sheet (30) has an effect in that electrostatic shield is provided between connected electronic components.

Abstract: The present invention relates to an anisotropic conductive sheet, which is interposed between a circuit board such as a substrate and various circuit parts to render conductive paths and a manufacturing method thereof, providing the anisotropic conductive sheet securing a fine pitch anisotropic conductivity required by the recent highly integrated circuit boards and electronic parts yet keeping high durability of the conductive member. The anisotropic conductive sheet (10) is constituted by alternately arranging strip-like members (14) of a striped pattern having conductive pieces (24) and nonconductive pieces (22) alternately arranged, and nonconductive strip-like members (12).

Abstract: A conductive layer that can be easily handled having good electric conductivity and an anisotropic conductive sheet obtained by adhering the conductive layer to a base member made of a conductive member. A flexible good conductive layer comprises a plurality of layers and is adhered to the base member so will not to be broken even when the base member is distorted due to the handling. The flexible good conductive layer (25) can be adhered to a base member (24) made of a flexible material, and is constituted by at least a set of a layer (e.g., 254) of a flexible material, and a layer (e.g., 256) of a material having good conductivity and is electrically contacted to the layer (e.g., 254) made of the flexible material. The flexible good conductive layer (25) is adhered to the anisotropic conductive sheet (10) in which the conductive members (24) are scattered in the nonconductive matrix, and the flexible good conductive layer (25) is contacted to the conductive members (24).

Abstract: The present invention relates to an anisotropically conductive block, which establishes electrical continuity between electric terminals when it is interposed between the terminals, and its manufacturing method and is aimed at providing an anisotropically conductive block capable of offering conductivity independently in multi-directions. The anisotropically conductive block (10) is configured by arranging conductive paths (e.g. (24) and (44)) while dislocating the paths in Z direction, wherein the conductive paths are non-conductive in a certain direction (Z direction) and have conductivity in a plurality of directions, in directions substantially in parallel with a plane (X-Y plane) perpendicular to Z direction.

Abstract: An anisotropic conductive sheet capable of transmitting high-speed digital signals reliably is provided. The anisotropic conductive sheet has a conductive property in a thickness direction thereof under a predetermined condition, and includes: insulative matrix members having a dielectric constant value of at most 2.28 and a dielectric loss value of at most 0.025; and conductive members having a conductive property in the thickness direction under the predetermined condition in the conductive members capable of flowing electricity between top and bottom surfaces thereof are located in a scattered manner in the matrix members, and the conductive and matrix members are bonded chemically. Especially, the matrix member is made from a resin material having a resin foamed body of a foaming structure, i.e. homogeneous microcell structure. At least one of the conductive members may be of conductive elastomer.

Abstract: An anisotropic conductive sheet manufactured through improved manufacturing steps and a method of manufacturing the same. Conductive portions are unevenly arranged in a nonconductive elastomer having fluidity and serving as a matrix, the conductive portions highly densely containing the conductive particles having a specific gravity greater than that of the matrix component, the conductive particles are unevenly dispersed to form substantially nonconductive portions, and the conductive portions and the nonconductive portions are integrally cured to mold anisotropic conductive pieces. The anisotropic conductive pieces are so laminated that the conductive portions and the nonconductive portions are alternately arranged thereby to obtain a first laminate, and the first laminate is cut maintaining a predetermined thickness to obtain a zebra-like sheet.

Abstract: An anisotropic conductive sheet interposed between a circuit board such as a substrate and various circuit parts to render them conductive and its manufacturing method. The anisotropic conductive sheet has a fine pitch required by the recent highly integrated circuit boards and electronic parts, and exhibits conductivity in only the direction of thickness of the sheet due to the use of conductive thin layers such as of a metal which does not slip out. The anisotropic conductive sheet (10) includes conductive thin layers (30) that are scattering in the direction of plane of the anisotropic conductive sheet (10) and are penetrating through in the direction of thickness of the anisotropic conductive sheet (10).

Abstract: An anisotropic conductive sheet interposed between a circuit board such as a substrate and various circuit parts to render them conductive and its manufacturing method. The anisotropic conductive sheet has a fine pitch required by the recent highly integrated circuit boards and electronic parts. In the anisotropic conductive sheet in which conductive members are scattered in a nonconductive matrix, the conductive members (e.g., 24) penetrate through the sheet (10) in the direction of thickness and conductive auxiliary layers (e.g., 25) are in contact with the conductive members (e.g., 24).

Abstract: The present invention provides a fiber product-treating agent which can impart an excellent wrinkle-resistant effect and an excellent durable press effect to the fiber product capable of being heated and being hardly effected with not only during wearing but also after washing. That is, the present invention provides the treating agent for imparting the durable press configuration on a fiber product by a heating treatment with e.g. an iron, which comprises a specific amount of (i) two or more compounds forming mutually a crosslinked structure by heating and/or (ii) a compound forming a self-crosslinked structure by heating, and water, wherein the content of a nonvolatile matter is 0.01 to 30%.

Abstract: The present invention provides a fiber product-treating agent which can impart an excellent wrinkle-resistant effect and an excellent durable press effect to the fiber product capable of being heated and being hardly effected with not only during wearing but also after washing. That is, the present invention provides the treating agent for imparting the durable press configuration on a fiber product by a heating treatment with e.g. an iron, which comprises a specific amount of (i) two or more compounds forming mutually a crosslinked structure by heating and/or (ii) a compound forming a self-crosslinked structure by heating, and water, wherein the content of a nonvolatile matter is 0.01 to 30%.

Abstract: A jumper connector (15) for connecting contact pins or posts (14) protruding from pin header (12) mounted on a printed circuit board (11) has an accessible conductive core (16) made of a conductive elastomer. Two apertures (17) extend through the conductive core so as to tightly fit on the pins or posts (14) that are to be electrically connected one to another. An insulating mantle (18) covers the accessible core (16), such that the connector is rendered simple in structure, produced inexpensively, adapted to a high density arrangement of those pins or posts, and the electric resistance of the core can be set at an easily adjustable level.

Abstract: A process is provided for making a tantalum capacitor chip which includes a tantalum chip body as well as an anode wire partially inserted into and partially projecting from the chip body. The process comprises the steps of compacting an initial divided amount of tantalum powder into an initial mass portion which is dimensionally smaller than the chip body, and compacting at least one additional divided amount of tantalum powder with the initial mass portion into the chip body. The capacitor chip thus obtained may be enclosed in a resin package to provide a surface mounting type tantalum capacitor.

Abstract: A package-type solid electrolytic capacitor is provided which comprises a capacitor element, an insulating package body having a housing recess with an upward opening for receiving the capacitor element, and an insulating closure member for closing the opening of the housing recess. The capacitor element has an anode layer formed on one end and a cathode layer formed at least on the other end. The housing recess is formed with two internal electrodes in electrical conduction with the anode and cathode layers, respectively, of the capacitor element. The package body is externally formed with two terminal electrodes in electrical conduction with the respective internal electrodes.