Abstract: In the rolling device of the present invention, a grease composition is enclosed which contains a base oil having a kinematic viscosity of 15 to 80 mm2/s at 40° C. and, as a thickener, a mixture of lithium 12-hydroxystearate and a lithium fatty acid having a carbon number of 6 to 12, and has a dropping point of 190 to 240° C. and a yield stress of 1.2 to 5 kPa. Accordingly, the torque is reduced and the acoustic life is improved.

Abstract: By connecting together connecting electrodes having an organic film serving as an oxidation-preventing film using a conductive adhesive, the manufacturing process can be simplified, and a highly reliable connection structure can be constructed at low cost. An electrode connection method, in which a first connecting electrode 2 and a second connecting electrode 10 are connected together through a conductive adhesive 9 that is interposed between the electrodes, includes an organic film formation step in which an organic film 6 is formed on at least a surface of the first connecting electrode, and an electrode connection step in which the first connecting electrode and the second connecting electrode are connected together through the conductive adhesive. In the electrode connection step, by allowing an organic film decomposing component mixed in the conductive adhesive to act on the organic film, the organic film is decomposed, and thus connection between the connecting electrodes is performed.

Abstract: The invention provides a grease composition for a hub unit bearing employing an angular contact ball bearing, containing (a) as a thickener a mixture of diurea compounds represented by formula (I): R1—NHCONH—R2—NHCONH—R1, formula (II): R1—NHCONH—R2—NHCONH—R3, and formula (III): R3—NHCONH—R2—NHCONH—R3 wherein R1 is cyclohexyl group, R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, R3 is a straight-chain or branched alkyl group having 12 to 20 carbon atoms, and (R1/(R1+R3))×100=85 to 95 mol %; (b) a base oil; (c) a molybdenum dialkyldithiocarbamate; and (d) a calcium sulfonate. The grease composition of the invention, when used in the hub unit bearing, shows minimum leakage, excellent anti-flaking properties and satisfactory bearing lubrication life.

Abstract: The invention provides a grease composition for use in an image forming apparatus, containing a thickener, a base oil and a lubricity improver, wherein the thickener is a lithium soap, the base oil is a synthetic hydrocarbon oil, the lubricity improver is a polyethylene oxide wax, and the image forming apparatus is equipped with a sliding member and a member for holding the sliding member which is driven to slide through the holding member via the grease composition, one of the sliding member or the holding member for the sliding member having a sliding surface formed from a metal, and the other having a sliding surface formed from a resin.

Abstract: The invention provides a grease composition which contains (a) a base oil, (b) a thickener, (c) a compound having an alkylthiocarbamoyl group, represented by the formula (1), (d) a hindered phenol antioxidant, and (e) a metal deactivator; wherein R1, R2, R3 and R4 are each independently an alkyl group having 1 to 20 carbon groups, and X represents S, S—S, S—CH2—S, S—CH2CH2—S or S—CH2CH2CH2—S.

Abstract: There is provided an electrode structure to be electrically connected to a connection conductor by being bonded thereto with an anisotropic conductive adhesive mainly composed of a thermosetting resin, the electrode structure including an electrode for connection using an adhesive, the electrode being arranged on a base material, and an organic film serving as an oxidation preventing film configured to cover a surface of the electrode for connection using an adhesive, in which the organic film has a higher decomposition temperature than the maximum temperature of heat treatment to be performed. A wiring body and a connecting structure using an adhesive are also provided.

Abstract: The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CF3SO2)2N and Li(CF3SO2)3C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.

Abstract: The invention provides a grease composition which contains a base oil and a thickener, where the thickener is a diurea compound represented by formula (1), and the thickener is contained in an amount of 3 to 20 mass % in the grease composition: wherein R2 is diphenylmethane group; and R1 and R3, which may be the same or different represent cyclohexyl group or a straight-chain or branched alkyl group having 8 to 22 carbon atoms, with the ratio of the number of moles of the cyclohexyl group to the total number of moles of the cyclohexyl group and the alkyl group, expressed as [((the number of the cyclohexyl group)/(the number of the cyclohexyl group+the number of the alkyl group))×100] being 70 to 80 mol %.

Abstract: The invention offers a board-connecting structure that can provide electrodes with a fine pitch and that can combine the insulating property and the connection reliability. The structure of connecting printed wiring boards 10 and 20 electrically connects a plurality of first electrodes 12 and 13 provided to be adjacent to each other on a first board 11 with a plurality of second electrodes 22 and 23 provided to be adjacent to each other on a second board 21 through an adhesive 30 that contains conductive particles 31 and that has anisotropic conductivity. By heating and pressing the adhesive placed between the mutually facing first electrode 12 and second electrode 22 and between the mutually facing first electrode 13 and second electrode 23, an adhesive layer 30a is formed between the first board 11 and the second board 21 and in the adhesive layer 30a, a cavity portion 33 is formed between the first electrodes 12 and 13 and between the second electrodes 22 and 23.

Abstract: There is provided a connecting structure with high reliability produced at low cost through the production process simplified by connecting connection electrodes, each including an organic film as an oxidation preventing film, to each other using a conductive adhesive. An electrode-connecting structure in which a first connection electrode 2 and a second connection electrode 10 are connected to each other with a conductive adhesive layer 9 therebetween includes organic films 6 and 11 formed on at least the first connection electrode and conductive particles 8 contained so that major axes of the particles are oriented in a thickness direction of the conductive adhesive layer and the average length of the major axes is larger than the total thickness of at least the organic films and the conductive adhesive layer, wherein the conductive particles pierce the organic films and contact the first connection electrode and the second connection electrode.

Abstract: The invention provides a grease composition for a hub unit bearing employing an angular contact ball bearing, containing (a) as a thickener a mixture of diurea compounds represented by formula (I): R1—NHCONH—R2—NHCONH—R1, formula (II): R1—NHCONH—R2—NHCONH—R3, and formula (III): R3—NHCONH—R2—NHCONH—R3 wherein R1 is cyclohexyl group, R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, R3 is a straight-chain or branched alkyl group having 12 to 20 carbon atoms, and (R1/(R1+R3))×100=85 to 95 mol %; (b) a base oil; (c) a molybdenum dialkyldithiocarbamate; and (d) a calcium sulfonate. The grease composition of the invention, when used in the hub unit bearing, shows minimum leakage, excellent anti-flaking properties and satisfactory bearing lubrication life.

Abstract: There are provided a connection structure of printed circuit boards, and so forth, the connection structure including a first printed circuit board, a second printed circuit board located above the first printed circuit board, and an anisotropic conductive adhesive configured to establish a conductive connection between a conductor of the first printed circuit board and a conductor of the second printed circuit board, in which the anisotropic conductive adhesive contains a conductive filler, and in which the conductive filler is formed of crystallized metal-particle wires produced by allowing metal particles to crystallize and grow linearly. It is thus possible to easily achieve sufficiently high connection strength while a flying lead of one printed circuit board is electrically connected to a conductive lead (substrate pad) of the other printed circuit board.

Abstract: The invention provides a grease composition containing a base oil, a thickener and an additive, characterized in that the base oil has a kinetic viscosity at 40° C. of 50 to 200 mm2/s; the thickener contains a diurea compound represented by formula (I): R1—NHCONH—R2—NHCONH—R3 (wherein R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3, which may be the same or different, represent cyclohexyl group or a straight-chain or branched alkyl group having 8 to 22 carbon atoms); and the additive is at least one selected from the group consisting of a metal salt of naphthenic acid, a salt of a fatty acid having 6 to 10 carbon atoms and an aliphatic amine having 6 to 10 carbon atoms, and a metal salt of an organic sulfonic acid. The composition of the invention shows excellent anti-fretting properties under the conditions of ordinary temperature to low temperature (e.g., ?50° C., preferably about ?40° C.).

Abstract: By connecting together connecting electrodes having an organic film serving as an oxidation-preventing film using a conductive adhesive, the manufacturing process can be simplified, and a highly reliable connection structure can be constructed at low cost. An electrode connection method, in which a first connecting electrode 2 and a second connecting electrode 10 are connected together through a conductive adhesive 9 that is interposed between the electrodes, includes an organic film formation step in which an organic film 6 is formed on at least a surface of the first connecting electrode, and an electrode connection step in which the first connecting electrode and the second connecting electrode are connected together through the conductive adhesive. In the electrode connection step, by allowing an organic film decomposing component mixed in the conductive adhesive to act on the organic film, the organic film is decomposed, and thus connection between the connecting electrodes is performed.

Abstract: [Object] Provided are a connection method and an electronic device, in which the manufacturing process can be simplified, and a connection structure using an adhesive can be produced at low cost. [Solution] A connection method according to the present invention includes a step (a1) of preparing base materials 10 and 21 each including an electrode for connection using an adhesive, a step (b1) of covering electrodes 12 and 22 for connection using an adhesive with organic films 15 configured to prevent oxidation, the electrodes 12 and 22 being located on the base materials, a step (c1) of removing or thinning the organic films, and after the step (c1), a step (d1) of bonding the electrodes for connection using an adhesive to each other with an adhesive 30 mainly containing a thermosetting resin to establish electrical connection.

Abstract: An anisotropic conductive film 2 contains electrically conductive particles 6 dispersed in an adhesive agent 30 for electrode connection, the adhesive agent containing an epoxy resin, which is an insulating thermosetting resin, as a main component, a phenoxy resin having a molecular weight of 30,000 or more, a latent hardener, a polyvinyl butyral resin having a glass-transition temperature of 100° C. or higher, and a polyvinyl butyral resin having a glass-transition temperature of 90° C. or lower. There is provided the high-heat-resistant anisotropic conductive film which suppresses a reduction in repairability and which can be used for electrodes having a finer pitch, i.e., having a minimum pitch of 150 ?m or less, when electrodes are connected with the anisotropic conductive film.

Abstract: The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CF3SO2)2N and Li(CF3SO2)3C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.

Abstract: An organic-solvent dispersion containing fine polysilsesquioxane particles stably dispersed therein, which is obtained by adjusting the pH of an aqueous dispersion of fine polysilsesquioxane particles to 2 to 9, subsequently adding an organic solvent thereto, and then removing the water from the system; and an aqueous dispersion of fine polysilsesquioxane particles having an appropriate average particle diameter, which is obtained by adjusting the amount of a base catalyst to be used so as to be in a specific range. The process for producing an aqueous dispersion of fine polysilsesquioxane particles having a pH of 2 to 9 with an organic solvent.

Abstract: There is provided a connecting structure with high reliability produced at low cost through the production process simplified by connecting connection electrodes, each including an organic film as an oxidation preventing film, to each other using a conductive adhesive. An electrode-connecting structure in which a first connection electrode 2 and a second connection electrode 10 are connected to each other with a conductive adhesive layer 9 therebetween includes organic films 6 and 11 formed on at least the first connection electrode and conductive particles 8 contained so that major axes of the particles are oriented in a thickness direction of the conductive adhesive layer and the average length of the major axes is larger than the total thickness of at least the organic films and the conductive adhesive layer, wherein the conductive particles pierce the organic films and contact the first connection electrode and the second connection electrode.

Abstract: There is provided an electrode structure to be electrically connected to a connection conductor by being bonded thereto with an anisotropic conductive adhesive mainly composed of a thermosetting resin, the electrode structure including an electrode for connection using an adhesive, the electrode being arranged on a base material, and an organic film serving as an oxidation preventing film configured to cover a surface of the electrode for connection using an adhesive, in which the organic film has a higher decomposition temperature than the maximum temperature of heat treatment to be performed. A wiring body and a connecting structure using an adhesive are also provided.