摘要:
The present invention provides a method for producing a laminate suitable for a flexible circuit board which is free from visual defects such as wrinkles and curls that appear when a plurality of laminating materials containing a thermally fusible laminating material are formed by thermally laminating these materials each other using a thermal-press forming device, which comprises the steps of: arranging a heat resistant protective material between a pressing surface and the laminating materials, laminating the materials by thermal pressure at not lower than 200° C., wherein the bonded laminating materials are in contact with the protective material, cooling the bonded laminating materials, and peeling off the protective material from the bonded laminating materials, whereby the laminate with less nonuniformity in pressurization, a uniform surface, and a good inter-layer adhesion, and the method and device for producing the laminate can be provided, more particularly, the thermal pressure and forming is performed by a thermal-press forming device having at least a pair of metal rolls.
摘要:
A novel heat-fusible copolymer possessing a combination of excellent properties, including mechanical strength, resistivity against radioactive rays, chemical resistance, low temperature stability, thermal resistance, processabilty, adhesiveness, thermal fusible adhesive stability, and simultaneously satisfying requirements relating to low hygroscopic characteristic and stable dielectric constant. Also, a powder, film, laminated film, laminated insulating material, and article, such as electronic modules and capacitors, made from a thermoplastic polyimide resin composed mainly of the copolymer and suitable for use as electronic components and materials for electronic circuit components. The copolymer possesses a glass transition temperature of 100.degree. C. to 250.degree. C., a hygroscopic degree of 1 or less, and a dielectric rate of 3 or less, and has the following formula: ##STR1## wherein Ar.sub.1 represents a quadrivalent organic radical, Ar.sub.2 represents a divalent organic radial, R represents a divalent organic radical, X represents trivalent bonding radicals, m and n are each integers of 0 or more, the sum of m and n being an integer of 1 or more, and 1 is an integer of 1 or more.
摘要:
The present invention provides means for forming an oxide film on a metal surface, means for repairing a defect of an oxide film, a high-performance electrolytic capacitor using the means, and an electrolyte of the capacitor. Namely, the prevent invention provides a method for easily forming an oxide film on the surface of a metal or an alloy thereof by anodization using a solution containing an ionic liquid. In an application of this method, an electrolytic capacitor having means for repairing a defect of an oxide film can be formed by a method using, as an electrolyte, an ionic liquid, a solution containing an ionic liquid and a salt, or a solution containing an ionic liquid and a conductive polymer or a TCNQ salt, and a valve metal or an alloy thereof as a metal.
摘要:
A method of manufacturing a conductive polymer electrolytic capacitor comprising the step of aging a capacitor element including an electrolyte containing a conductive polymer and an ionic liquid by applying an aging voltage y (V) to the capacitor element to satisfy the following formula (1) or the following formula (2) is provided. In the following formulas (1) and (2), x represents a forming voltage for a valve metal. An electrolytic capacitor having a high withstand voltage is implemented by this method. 0.5x≦y≦x (0
摘要:
The invention relates to a vent plug for a tire vulcanization mold used for a vent hole of the mold, the tire vulcanization mold, and a manufacturing method for the tire using the mold. The vent plug includes a plug holder with a hollow ventilation portion and a plug head within the ventilation portion. The plug holder includes a tapered seat portion, an inside diameter of which becomes smaller toward a mold rear side, and a cylinder portion located at the mold rear side of the seat portion. The plug head includes a tapered head portion, an outer diameter of which becomes smaller toward the mold rear side, a base body portion located at the mold rear side of the head portion, and a slit portion communicating with the ventilation portion from an upper end face of the plug head.
摘要:
Disclosed is an energy storage device having high energy density and excellent power density. For example, electric double layer capacitors, redox capacitors, lithium ion electrolyte type capacitors and devices applying any of them are greatly improved in the energy density without deteriorating their advantages such as high power density, high charge/discharge efficiency and long life. Specifically disclosed is an energy storage device containing a positive electrode, a negative electrode and an electrolyte solution, which device is characterized in that a compound capable of performing a doping/dedoping reaction is present in the electrolyte solution.
摘要:
A solid electrolytic capacitor having an electrolytic layer containing at least two types of ionic liquids and a conductive polymer is provided. Preferably, the ionic liquids include at least one type of ionic liquid for supplying an excellent impedance characteristic and at least one type of ionic liquid for supplying an excellent withstand voltage characteristic. Thus, a solid electrolytic capacitor exhibiting a high withstand voltage and an excellent impedance characteristic can be obtained.
摘要:
The present invention provides a polyimide resin, a resin composition, an adhesive solution, a film-state joining component, and an adhesive laminate film soluble in a solvent having excellent heat resistance and adhesion, capable of bonding and curing at relatively low temperatures. Specifically, the present invention provides a novel polyimide resin having low water absorption obtained by a reaction between tetracarboxylic acid dianhydride containing ester-acid dianhydride represented by the general formula (1): wherein X represents —(CH2)k—, or is a divalent group which comprises an aromatic ring, and k is an integer from 1 to 10; and aromatic diamine, where the resin composition and the film-state joining component which comprise a thermosetting resin with excellent adhesion using this resin are preferably used for flexible printed circuit boards, tapes for TAB (Tape Automated Bonding), composite lead frames, and lamination materials, or the like, and an adhesive laminate film suitable for coating of a superconductive wire rod.
摘要:
The invention provides novel thermoplastic polyimide featuring solid adhesive property under low temperature, low hygroscopic coefficient, and solid resistivity to radioactive rays. The invention also provides novel polyamide acid which is substantially precursor of the thermoplastic polyimide, and also provides novel thermally fusible laminated film for covering conductive wires, featuring solid adhesive property under low temperature, solid resistivity to radioactive rays, and distinct suitability for covering superconductive wires in particular.The novel thermoplastic polyimide is represented by general formula (1) corresponding to the chemical structure shown below; ##STR1## wherein, Ar.sub.1, Ar.sub.2, Ar.sub.4, and Ar.sub.6, respectively designate divalent organic radical, whereas Ar.sub.3 and Ar.sub.5 respectively designate quadrivalent organic radical, wherein, 1, m, and n, respectively designate positive integer 0 to 1 or more than 1, wherein the sum of 1 and m aggregates 1 or more than 1, and wherein t designates positive integer of 1 or more than 1.
摘要:
A solid electrolytic capacitor having an electrolytic layer containing at least two types of ionic liquids and a conductive polymer is provided. Preferably, the ionic liquids include at least one type of ionic liquid for supplying an excellent impedance characteristic and at least one type of ionic liquid for supplying an excellent withstand voltage characteristic. Thus, a solid electrolytic capacitor exhibiting a high withstand voltage and an excellent impedance characteristic can be obtained.