Abstract:
A method for producing a solid electrolyte, which includes the steps of applying a solution containing a five-membered heterocyclic compound as a polymerizable monomer on a substrate surface, and polymerizing the applied monomer to give a solid electrolyte. The monomer-containing solution contains the polymerizable monomer and at least one polymerizable compound selected from a dimer of the monomer and a trimer of the monomer, at a proportion satisfying the equation: A/(B+C)=100-1,000,000 where A: concentration of the polymerizable monomer, B: concentration of the dimmer in terms of the concentration of its monomer, and C: concentration of the trimer in terms of the concentration of its monomer. In another aspect, a method is disclosed wherein a solution of a compound having a thiophene skeletal structure, which solution has a light absorbance of 1.5-10 at 300-340 nm, is applied on a substrate surface and polymerized.
Abstract:
A solid electrolytic capacitor containing a solid electrolytic capacitor element with increased heat resistance, resistance to leakage current, and a low ESR and high reliability, includes a solid electrolytic capacitor element having a dielectric layer, a solid electrolyte layer, a carbon paste layer, and a conductive paste layer sequentially stacked on a surface of a valve acting metal plate, where the carbon paste layer has an end thereof on the solid electrolyte layer, the end of the carbon paste layer is covered with an insulating resin layer, and the largest thickness of the capacitor element in the section of the insulating resin layer is not more than the largest thickness of the capacitor element in the section of the conductive paste layer. A manufacturing method is also described.
Abstract:
The invention provides an antistatic treatment agent having an ability of preventing resist film thinning phenomenon in a chemically amplified resist, an antistatic film, a coated article and a pattern forming method using such antistatic treatment agent, in particular, the invention provides an antistatic treatment agent comprising an aqueous solvent-soluble electroconductive polymer, a diamine (divalent) or polyamine (polyvalent) aliphatic basic compound and an anionic surfactant, an antistatic film, a coated article and a pattern forming method using such antistatic treatment agent. As the aqueous solvent-soluble electroconductive polymer, a π-conjugated electroconductive polymer having a Brönsted acid group is a sulfonic acid group is preferred and it is preferable that the amount of the diamine (divalent) or polyamine (polyvalent) aliphatic basic compound be from 0.1 to 75 mol % based on the total number of moles of the basic compounds.
Abstract:
The present invention relates to a solid electrolytic capacitor comprising a layer of self-doping type conductive polymer having a crosslink between polymer chains thereof on the dielectric film formed on a valve-acting metal. The present invention enables to stably produce thin capacitor elements suitable for laminated type solid electrolytic capacitors, showing less short-circuit failure and less fluctuation in the shape of element, which allows to increase the number of laminated elements in a solid electrolytic capacitor chip to make a capacitor having a high capacity, and having less fluctuation in equivalent series resistance.
Abstract:
The present invention relates to a method for producing a solid electrolytic capacitor in which a solid electrolyte layer is provided by a process comprising a step of dipping a valve-acting metal having thereon a dielectric film layer in a monomer-containing solution, followed by drying (Step 1), a step of dipping the valve-acting metal in an oxidizing agent-containing solution, followed by drying (Step 2), and a step of dipping the valve-acting metal in an oxidizing agent-free solution, followed by drying (Step 3); and to a solid electrolytic capacitor produced thereof. According to the present invention, a thin capacitor element with reduced failure of short circuit and less fluctuation in the element shape can be stably produced, the number of capacitor elements stacked in a solid electrolytic capacitor chip can be increased to realize high capacitance, and a solid electrolytic capacitor element suitable for a solid electrolytic multilayer capacitor with less fluctuation in the equivalent series resistance can be provided.
Abstract:
The invention relates to a self-doping type electrically conducting polymer comprising an isothianaphthene or thiophene skeleton where the polymer chains are crosslinked preferably through a sulfone bond which is imparted with water resistance and solvent resistance; a production process thereof; an electrically conducting composition film obtained by coating a composition containing the self-doping type electrically conducting polymer on a substrate and heating it; a product coated using the composition; and an electronic device containing the self-doping type electrically conducting polymer.
Abstract:
The invention provides an antistatic treatment agent having an ability of preventing resist film thinning phenomenon in a chemically amplified resist, an antistatic film, a coated article and a pattern forming method using such antistatic treatment agent, in particular, the invention provides an antistatic treatment agent comprising an aqueous solvent-soluble electroconductive polymer, a diamine (divalent) or polyamine (polyvalent) aliphatic basic compound and an anionic surfactant, an antistatic film, a coated article and a pattern forming method using such antistatic treatment agent. As the aqueous solvent-soluble electroconductive polymer, a π-conjugated electroconductive polymer having a Brönsted acid group is a sulfonic acid group is preferred and it is preferable that the amount of the diamine (divalent) or polyamine (polyvalent) aliphatic basic compound be from 0.1 to 75 mol % based on the total number of moles of the basic compounds.
Abstract:
The present invention relates to a novel π-conjugated copolymer having a high conductivity, obtained through chamically oxidative polymerization of a thiophene-based unit represented by formula (IV) and a pyrrole-based unit represented by formula (III) at a low temperature, preferably in the presence of a compound containing a counter anion, and production method therefor, and further relates to an article coated with the copolymer, a solid electrolytic capacitor using the copolymer as solid electrolyte and production method for the capacitor.
Abstract:
An electroconductive polymer comprising a repeating unit having a chemical structure represented by formula (I): ##STR1## or, formula (II): ##STR2## as defined herein, and a process for producing the same.
Abstract:
A condensed heterocyclic compound having a structure represented by formula (I): ##STR1## wherein the substituents are as defined in the specification herein.