Abstract: The present invention relates to a solid electrolytic capacitor having a masking structure in which the insulation between the anode part and the cathode part can be ensured without fail, to its production method, to a method for coating a masking agent on a solid electrolytic capacitor substrate, and to apparatus therefore. According to the present invention, the masking material covers the dielectric film on the metal material having valve action and sufficiently infiltrates into the core metal made of a metal having valve action while the solid electrolyte is masked by the masking material without fail, so that a solid electrolytic capacitor can be produced that has a reduced leakage current and a reduced stress generated at the reflow treatment or the like.

Abstract: The present invention relates to a solid electrolytic capacitor having a masking structure in which the insulation between the anode part and the cathode part can be ensured without fail, to its production method, to a method for coating a masking agent on a solid electrolytic capacitor substrate, and to apparatus therefore. According to the present invention, the masking material covers the dielectric film on the metal material having valve action and sufficiently infiltrates into the core metal made of a metal having valve action while the solid electrolyte is masked by the masking material without fail, so that a solid electrolytic capacitor can be produced that has a reduced leakage current and a reduced stress generated at the reflow treatment or the like.

Abstract: An electrode for electrolytic capacitors having a large capacitance and having excellent tan ?, heat resistance, humidity resistance and stability. An electrolytic capacitor using the electrode. An electrode obtained by attaching a compound having a siloxane bond onto the surface of an electrode body comprising a valve-acting metal having formed thereon a dielectric film. The compound having a siloxane bond is attached by coating, dipping or vapor deposition. A solid electrolytic capacitor obtained by forming an electrolyte comprising an electrically conducting polymer on the electrode.

Abstract: An electrode for electrolytic capacitors having a large capacitance and having excellent tan ?, heat resistance, humidity resistance and stability. An electrolytic capacitor using the electrode. An electrode obtained by attaching a compound having a siloxane bond onto the surface of an electrode body comprising a valve-acting metal having formed thereon a dielectric film. The compound having a siloxane bond is attached by coating, dipping or vapor deposition. A solid electrolytic capacitor obtained by forming an electrolyte comprising an electrically conducting polymer on the electrode.

Abstract: The present invention relates to a solid electrolytic capacitor having a masking structure in which the insulation between the anode part and the cathode part can be ensured without fail, to its production method, to a method for coating a masking agent on a solid electrolytic capacitor substrate, and to an apparatus therefor. According to the present invention, the masking material covers the dielectric film on the metal material having valve action and sufficiently infiltrates into the core metal made of a metal having valve action while the solid electrolyte is masked by the masking material without fail, so that a solid electrolytic capacitor can be produced that has a reduced leakage current and a reduced stress generated at the reflow treatment or the like.

Abstract: An object of the present invention is to provide a fluorinated polymer of adequate molecular weight with excellent transparency in a wavelength range from visible to near infrared, and to also provide a method of producing such a polymer. The present invention provides a fluorinated polymer comprising a structure represented by a formula (1) as a structural unit, as well as a method of producing this polymer using a corresponding tetrafluoroxylylenediamine or a tetrafluoroxylylene glycol as a raw material.

Abstract: To provide a solid electrolytic capacitor where solid electrolyte is formed at the cut end part and at the masking part to a larger thickness than in other parts, where the adhesion of the solid electrolyte formed on the valve acting metal oxide film is improved, and whereby the capacitor is highly stabilized in various basic properties such as capacitance, dielectric loss (tan ?), leakage current and short circuit defective ratio and also in the reflow soldering heat resistance and moisture resistance load characteristics. These solid electrolytic capacitor can be obtained by forming electrically conducting polymer on a dielectric film by specifying time for dipping of the surface of a valve actiong metal porous body with a solution containing a monomer and with a solution containing an oxidizing agent, time for vaporization of the solvent of the solution containing a monomer, and polymerization conditions after dipping of the solution containing an oxidizing agent.

Abstract: A composite metallic material 1 according to the invention is used for, e.g., electrolytic capacitors, and includes a metallic material substrate 10 and a high polymer thin layer 11 having a fine pattern 12 formed on at least one surface of the substrate 10 by self-organization. This high polymer thin film 11 is formed by, for example, drying hydrophobic organic solvent solution of high polymer compound. By subjecting this composite metallic material 1 to etching processing, etching pits are formed uniformly with high density based on the fine pattern.

Abstract: A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid electrolyte layer is of a lamellar structure. In particular, a solid electrolytic capacitor includes an electrically conducting polymer having a specified condensed ring structure containing (1) a solid electrolyte layer containing a sulfoquinone anion, and (2) a solid electrolyte layer containing an anthracenesulfonate ion and other anion.

Abstract: The present invention relates to a solid electrolytic capacitor having a masking structure in which the insulation between the anode part and the cathode part can be ensured without fail, to its production method, to a method for coating a masking agent on a solid electrolytic capacitor substrate, and to apparatus therefore. According to the present invention, the masking material covers the dielectric film on the metal material having valve action and sufficiently infiltrates into the core metal made of a metal having valve action while the solid electrolyte is masked by the masking material without fail, so that a solid electrolytic capacitor can be produced that has a reduced leakage current and a reduced stress generated at the reflow treatment or the like.

Abstract: The present invention relates to a solid electrolytic capacitor comprising a solid electrolyte layer and an electrically conducting layer comprising metallic powder or an electrically conducting layer comprising an electrically conducting carbon layer and a layer formed thereon and comprising metallic powder in which at least one of said layers contains a rubber-like elastic material; a production process thereof; a solid electrolyte for use in the solid electrolytic capacitor; a production process of the solid electrolyte; an electrically conducting paste for use in the solid electrolytic capacitor; and an electrically carbon conducting paste for use in the solid electrolytic capacitor. The solid electrolytic capacitor of the present invention can be made compact and can be endowed with high-capacitance and low-impedance and is excellent in external force-relaxing properties, productivity, heat resistance and moisture resistance, etc.

Abstract: A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid electrolyte layer is of a lamellar structure. In particular, a solid electrolytic capacitor includes an electrically conducting polymer having a specified condensed ring structure containing (1) a solid electrolyte layer containing a sulfoquinone anion having a sulfo anion group and a quinone structure and other anion, and (2) a solid electrolyte layer containing an anthracenesulfonate ion and other anion.

Abstract: A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid electrolyte layer is of a lamellar structure. In particular, a solid electrolytic capacitor includes an electrically conducting polymer having a specified condensed ring structure containing (1) a solid electrolyte layer containing a sulfoquinone anion having a sulfo anion group and a quinone structure and other anion, and (2) a solid electrolyte layer containing an anthracenesulfonate ion and other anion.

Abstract: The present invention relates to a solid electrolytic capacitor comprising a solid electrolyte layer and an electrically conducting layer comprising metallic powder or an electrically conducting layer comprising an electrically conducting carbon layer and a layer formed thereon and comprising metallic powder in which at least one of said layers contains a rubber-like elastic material; a production process thereof; a solid electrolyte for use in the solid electrolytic capacitor; a production process of the solid electrolyte; an electrically conducting paste for use in the solid electrolytic capacitor; and an electrically carbon conducting paste for use in the solid electrolytic capacitor. The solid electrolytic capacitor of the present invention can be made compact and can be endowed with high-capacitance and low-impedance and is excellent in external force-relaxing properties, productivity, heat resistance and moisture resistance, etc.

Abstract: A solid electrolytic capacitor comprising (1) an electrically conducting polymer composition formed on the surface of an oxide film which is formed on a valve-acting metal, by specifying the viscosity of an oxidizing agent solution and/or a monomer solution, particularly by specifying the viscosity to less than about 100 cp, (2) an electroconducting polymer composition formed on the surface of an oxide film layer which is formed on a valve-acting metal, wherein the electroconducting polymer layer comprising a monomer compound or a derivative thereof as a repeating unit and also containing an anionic dopant is polymerized by setting the humidity in the atmosphere to from about 10% to less than about 60%; (3) an anode body having provided on the outer surface thereof a solid electrolyte formed of an electrically conducting polymer containing a lamellar structure, wherein the solid electrolyte provided on the dielectric film formed on a valve acting metal occupies from about 10 to about 95% of the space in a por

Abstract: A composite metallic material 1 according to the invention is used for, e.g., electrolytic capacitors, and includes a metallic material substrate 10 and a high polymer thin layer 11 having a fine pattern 12 formed on at least one surface of the substrate 10 by self-organization. This high polymer thin film 11 is formed by, for example, drying hydrophobic organic solvent solution of high polymer compound. By subjecting this composite metallic material 1 to etching processing, etching pits are formed uniformly with high density based on the fine pattern.

Abstract: A method for producing an aluminum foil for solid electrolytic capacitors, comprising the steps of cutting an aluminum foil into a shape of a capacitor element, etching a cut end part formed by said cutting, and then electrochemically forming the etched aluminum foil, aluminum foil for solid electrolytic capacitors obtained by the method, solid electrolytic capacitor using the aluminum foil, and method for producing such a solid electrolytic capacitor are disclosed. By use of the aluminum foil for solid electrolytic capacitors according to the present invention, capacitor characteristics such as an increase in the capacitor capacitance and a decrease in the leakage current from the cut end part of a stacked type aluminum solid electrolytic capacitor can be efficiently improved, the anode moieties can be efficiently connected without fail on stacking elements and the productivity of stacked type aluminum solid electrolytic capacitor can be elevated.

Abstract: A solid electrolytic capacitor comprises a porous valve acting metal having formed thereon a dielectric film and a solid electrolyte formed on the dielectric film. The solid electrolyte occupies from 10 to 95% of the space within a pore of the porous metal.

Abstract: The present invention relates to a solid electrolytic capacitor comprising an electrode produced by forming a solid electrolytic layer comprised by a polymer having at least one repeating unit selected from a thiophene-diyl skeleton, an isothianaphthene-diyl skeleton, a pyrrole-diyl skeleton, a furan-diyl skeleton and an iminophenylene skeleton and having a fibril structure on a dielectric film layer of a porous valve-acting metal and its production method, and to a highly electroconductive polymer obtained by chemical oxidative polymerization of a monomer and an oxidizing agent at an interface and its production method.

Abstract: The present invention relates to a solid electrolytic capacitor comprising an electrode produced by forming a solid electrolytic layer comprised by a polymer having at least one repeating unit selected from a thiophene-diyl skeleton, an isothianaphthene-diyl skeleton, a pyrrole-diyl skeleton, a furan-diyl skeleton and an iminophenylene skeleton and having a fibril structure on a dielectric film layer of a porous valve-acting metal and its production method, and to a highly electroconductive polymer obtained by chemical oxidative polymerization of a monomer and an oxidizing agent at an interface and its production method.