Abstract: A solid electrolytic capacitor is provided in which volume efficiency of its capacitor element is improved. A converting substrate having an anode terminal forming portion and cathode terminal portion obtained by forming notches on faces exposed on outside faces of the anode and cathode portions and performing plating in the notches in portions in which the anode and cathode portions of a lower-face electrode type solid electrolytic capacitor is connected to the capacitor element and, after a sheathing resin is formed therein, the sheathed portion and converting substrate are cut along cutting planes to form fillet forming faces on the outside faces of the anode portion and cathode portion of the lower-face electrode type solid electrolytic capacitor.

Abstract: The invention provides a solid electrolytic capacitor element, comprising a metal oxide layer, an electroconductive polymer layer, a carbon paste layer and a silver paste layer sequentially formed on surface of a valve-acting metal material, wherein thickness of the silver paste layer is within a range of 5 to 20 ?m and the mass ratio of silver contained in the silver paste layer is within a range of 84 to 94%. According to the invention, a solid electrolytic capacitor having good electric properties such as ESR (equivalent series resistance) and LC (leakage current) and good reliability can be produced.

Abstract: A fused electrolytic capacitor assembly that offers improved performance characteristics in a convenient and space-saving package is provided. More specifically, the fused electrolytic capacitor assembly contains an electrolytic capacitor element and a resettable fuse contained within a case. The capacitor assembly also contains a stress absorbing material that is positioned adjacent to and in contact with the resettable fuse. By selecting a stress absorbing material having a certain modulus and a certain degree of inherent flexibility, the present inventors believe the resettable fuse is better able to expand to its full capacity upon exposure to an excessive current. In this manner, the resettable fuse is able to better function during use.

Abstract: Object The invention provides a method for manufacturing a solid electrolytic capacitor, capable of joining a bolster member interposed between an anode lead and an anode lead frame to the anode lead frame with good adhesion property and high positional accuracy. Solution A bolster member is obtained from a ladder-shaped frame. A width of the bolster member in a direction perpendicular to a lead-out direction of an anode lead is larger than a width of an anode lead frame. The bolster member is aligned with the anode lead frame while being chucked, and then is joined to the anode lead frame.

Abstract: An apparatus for storing electrical energy is provided. The apparatus includes a first magnetic layer, a second magnetic layer, and a dielectric layer. The first magnetic layer has a first surface with saw tooth roughness; the second magnetic layer has a second surface with saw tooth roughness; and the dielectric layer is configured between the first magnetic layer and the second magnetic layer. The dielectric layer is arranged to store electrical energy; the first magnetic layer and the second magnetic layer are arranged to prevent electrical energy leakage; and the saw tooth roughness on the first surface and the second surface is designed to increase the capacitance of the apparatus.

Abstract: A metal capacitor in which an electric conductivity is significantly improved by applying a metal material for an electrolyte and a manufacturing method thereof is provided.

Abstract: A multilayered substrate includes a plurality of circuit boards including a plurality of wiring layers including a grounding layer and a power layer, a solid electrolytic capacitor having an insulative oxide film layer, an electrolytic layer, and a conductor layer sequentially formed on one surface or both surfaces of a foil-like metal substrate, and a conductive substance passing through the circuit board across a thickness thereof. The solid electrolytic capacitor is disposed to be held between the plurality of circuit boards. The conductor layer is connected to a grounding electrode formed on the grounding layer, the foil-like metal substrate being connected to a power electrode formed on the power layer.

Abstract: The present invention provides a capacitor production method where an electric conductor having a dielectric layer formed thereon is used as one electrode and a semiconductor layer is formed by energization to be the other electrode, comprising the energization performed through a constant current diode, and also provides a jig for producing capacitors, which is used for forming semiconductor layers by energization on two or more electric conductors each having formed on the surface thereof a dielectric layer, the jig comprising two or more current ejection-type constant current sources in accordance with the number of electric conductors, which current sources each has an output electrically connected in series with a connection terminal for the electric conductor. Use of the jig of the present invention, enables production of capacitors including semiconductor as one electrode with a small variation in the capacitance.

Abstract: The invention produces a solid electrolytic capacitor using a solid electrolytic capacitor element by a method comprising forming a dielectric layer on the surface of an electric conductor, forming a semiconductor layer containing electrically conducting polymer on the dielectric layer and forming an electrode layer thereon, wherein the dielectric layer is formed by chemical formation in an electrolytic solution containing a dopant.

Abstract: An electrolytic capacitor includes a first electrode, a second electrode opposite to the first electrode, a separator sandwiched between the first electrode and the second electrode, a cell accommodating the first electrode, the second electrode and the separator, and an electrolytic solution filled into the inner space of the cell, with the first electrode, the second electrode and the separator immersed into the electrolytic solution. The first electrode and second electrode are in a CNT film structure, wherein the CNT film includes a number of CNTs packed closely, entangled and interconnected with each other, and disorderly arranged. The electrolytic capacitor is a high-performance capacitor.

Abstract: To provide electronic parts having a platy terminal secured through a conductive adhesive layer onto a device, which electronic parts are low in ESR and excel in the bonding strength between device and terminal. The conductive adhesive contains a flat conductive member and an organic solvent and is characterized in that through vaporization of the organic solvent in vacuum atmosphere, the flat conductive member has a region standing in the direction of thickness of the conductive adhesive layer. Further, the conductive adhesive is characterized by containing portion wherein the angle between the platy terminal and the flat plane of conductive member is ?45°.

Abstract: A solid electrolytic capacitor, having a small equivalent series resistance, is formed by burying a capacitor element inside an epoxy resin outer package. The capacitor element includes an anode, having part of an anode lead buried therein, a dielectric layer formed on the anode and containing a niobium oxide, and a cathode formed on the dielectric layer. The cathode includes a first electrolyte layer containing a conductive polymer and formed on the dielectric layer, an intermediate layer containing an organic silane and formed on the first electrolyte layer, a second electrolyte layer containing a conductive polymer and formed on the intermediate layer, a first conductive layer containing carbon particles and formed on the second electrolyte layer, and a second conductive layer containing silver particles and formed on the first conductive layer.

Abstract: To provide a conductive polymer film and to improve the conductivity of the conductive polymer film used in an electronic device such as a solid electrolytic capacitor, the conductive polymer film is a conductive polymer film formed by using a polymerization liquid containing a monomer for a conductive polymer, an oxidant, and an additive. A salt formed of a dopant and a basic substance is used as the additive.

Abstract: Provided is an electronic components assembly capable of effectively dealing with unwanted charge accumulated in a capacitor even when general-purpose components are used. An assembly 10 includes an electrolytic capacitor 1, a coil lead 4, and a circuit mounting board 5. The electrolytic capacitor 1 includes a main body 1a, an anode lead 2, and a cathode lead 3. The coil lead 4 is wrapped around the main body 1a. The circuit mounting board 5 has the electrolytic capacitor 1 and the coil lead 4 mounted thereon. The coil lead 4 is connected to a ground of the circuit mounting board 5.

Abstract: A coated electrode is provided for use in energy storage devices. The coated electrode comprises a dry fibrillized polymer that is fibrillized with no processing additives.

Abstract: A digital signal processor includes a component for processing a digital signal, a power line for supplying a power to the component, and a decoupling capacitor connected between the power line and a ground. The decoupling capacitor has an equivalent series resistance larger than zero and not larger than 25 m? at 100 kHz and an equivalent series inductance larger than zero and not larger than 800 pH at 500 MHz. This digital signal processor does not generate a lot of digital noise, and has a small, thin size.

Abstract: A buffer capacitor having a least one pair of plates and each plate 10 of the pair of plates is in the form of a loop current or charge buffer having, an electric conducting material 21 arranged in parallel and electrically joined 22 to form a closed loop and the inner perimeter 23 of the electric conducting material forming the said closed loop is prevented from any physical contact with itself, by having a dielectric material 11 disposed therein, thereby forming a closed continuous electrical loop and each plate 10 is provided with at least one buffer or conventional connector and are arranged one on top of the other in alignment separated by alternate layers of a dielectric material 12 and tightly wound.

Abstract: A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal.

Abstract: An electrolytic capacitor comprises two lead tab terminals and a sealing rubber packing. Each of the lead tab terminals includes a boss member, a rib member and a flat member. The boss member comprises a coupling member and a large member. The diameter of the coupling member is the same as two holes in the sealing rubber packing, and the diameter of the large member is larger than the two holes. The flat member is connected to either an oxidized anode foil or a cathode foil. The coupling members of the two lead-tab terminals are inserted into the two holes in the sealing rubber packing, respectively. The large member keeps the sealing rubber packing from moving toward the flat member. Accordingly, the sealing member sealing the capacitor element into a case is kept from making contact with the capacitor element.

Abstract: A stacked energy storage device (ESD) has at least two conductive substrates arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. Each active material electrode may have a plurality of folded sections and planar sections to increase the ESD capacity, for example, by increasing number of interfaces within each cell segment.

Abstract: A capacitor and a method for assembling a capacitor. A capacitor is assembled from a case, which contains an anode that is electrically coupled to the case and defines wells or slots receiving a plurality of cathode plates. A header is placed on the case. The header also supports a glass seal that insulates the lead tube and cathode lead coming from the cathode. Once assembled, the capacitor is filled with electrolyte. A weld extends around the header to secure the header to the case. A bent cathode configuration enables a plurality of cathode plates electrically coupled together from a common cathode plate.

Abstract: A solid electrolytic capacitor comprising an anode body, a dielectric layer placed on the surface of the anode body, a conductive polymer layer placed on the surface of the dielectric layer, and a housing accommodating at least the anode body, the dielectric layer and the conductive polymer layer, wherein a water-retaining layer having higher water absorption than that of the housing is placed between the conductive polymer layer and the housing.

Abstract: A laminate electrode of a bendable supercapacitor has a carbon fabric element and an electrically conductive current collector element secured by staple-shaped metallic fasteners or metallic wires so as to prevent two elements from being taken apart when the laminate electrode is bent.

Abstract: Capacitive devices are described having electrical interconnects of electrodes which possess efficient electrical contact between current collectors, electrical isolation of electrodes, and/or electrochemical stability, while minimizing the mechanical stress and strain applied to the electrodes. The capacitive devices are adaptable to a wide range of electrode dimensions and electrode stack heights.

Abstract: The present invention relates to a method to produce a solid electrolytic capacitor by forming a dielectric layer on an anode body comprising a valve-acting metal sintered body having fine pores and forming on the dielectric layer a conductive compound layer to form a cathode, wherein a cathode is formed by repeating the step of dipping the anode body into an inorganic compound solution, an organic compound solution or a conductive-polymer compound dispersion liquid which turns into a conductive compound layer to thereby laminate a conductive layer on the anode body, and the depth of the anode body to be dipped is increased with each dipping; and an apparatus to be used for the method. According to the present invention, a satisfactory cathode layer can be efficiently formed and a solid electrolytic capacitor having a large capacitance and a low equivalent series resistance can be produced.

Abstract: 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.

Abstract: A secondary battery comprises a single-plate lead acid battery (Va), a positive electrode capacitor layer and a negative electrode capacitor layer, which are formed on the respective surfaces of a positive electrode plate, and a negative electrode plate. Each of the positive electrode plate and negative electrode plate contains an active material, to have a configuration in which activated carbon has a concentration gradient. The electronic resistance between a collector terminal and the center of a portion where activated carbon is present at a high concentration is lower than the electronic resistance between the collector terminal and the center of a portion where activated carbon is present at a low concentration. In the single-plate lead acid battery, charges are accumulated in the positive electrode capacitor layer and in the negative electrode capacitor layer.

Abstract: A coin-shaped storage cell (1) has a pair of polarizable electrodes (17, 18), an insulating separator (21) interposed between the polarizable electrodes, an electrolytic solution (22) impregnated in the polarizable electrodes (17, 18) and the separator (21), a metal case (11) for housing the polarizable electrodes (17, 18), an insulating ring packing (15) arranged in the metal case, and a top lid (13) which is caulked integrally with the metal case (11) via the ring packing (15). The inner bottom surface of the metal case (11) is provided with recessed and projected portions.

Abstract: A lithium ion capacitor including a positive electrode, a negative electrode, and an aprotic organic solvent solution of a lithium salt as an electrolytic solution. The positive electrode active material is capable of reversibly supporting lithium ions and/or anions, the negative electrode active material is capable of reversibly supporting lithium ions and anions, and the potentials of the positive electrode and the negative electrode are at most 2.0 V after the positive electrode and the negative electrode are short-circuited. The positive electrode and the negative electrode are alternately laminated with a separator interposed therebetween to constitute an electrode unit, the cell is constituted by at least two such electrode units, lithium metal is disposed between the electrode units, and lithium ions are preliminarily supported by the negative electrode and/or the positive electrode by electrochemical contact of the lithium metal with the negative electrode and/or the positive electrode.

Abstract: In a hydrogen-containing tantalum powder of the present invention, a value obtained by dividing the hydrogen content (ppm) by the specific surface area (m2/g) is in the range of 10 to 100. This tantalum powder has a large specific surface area, and when the tantalum powder is used as an anode of a solid electrolyte capacitor, a solid electrolyte capacitor having a large capacitance and a low leakage current can be obtained.

Abstract: A solid electrolytic capacitor 1 includes a capacitor element 2 and a resin package 9 enclosing the capacitor element. The capacitor element includes a sintered body 3 of valve metal powder, an anode 4a provided by embedding an anode wire 4 in the sintered body, and a cathode 5 provided by forming a metal layer on the sintered body. A first lead member 6 in the form of a plate is connected to the anode wire 4. The end of the first lead member projects from a side surface 9a of the resin package 9 to provide an anode terminal T1. A second lead member 7 in the form of a plate is connected to the cathode 5. The end of the second lead member projects from a side surface 9b of the resin package 9 to provide a cathode terminal T2.

Abstract: A solid electrolytic capacitor that is capable of withstanding laser welding without a significant deterioration in its electrical performance is provided. The capacitor contains an anode body, dielectric layer overlying the anode body, and a solid organic electrolyte layer overlying the dielectric layer. Furthermore, the capacitor of the present invention also employs a light reflective layer that overlies the solid organic electrolyte layer. The present inventors have discovered that such a light reflective layer may help reflect any light that inadvertently travels toward the capacitor element during laser welding. This results in reduced contact of the solid organic electrolyte with the laser and thus minimizes defects in the electrolyte that would have otherwise been formed by carbonization. The resultant laser-welded capacitor is therefore characterized by such performance characteristics as relatively low ESR and low leakage currents.

Abstract: An electrolytic capacitor having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, wherein the electrolytic capacitor provides an excellent high temperature life characteristic and an excellent leakage characteristic. The electrolyte solution containing the aluminum tetrafluoride salt is used. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic. Moreover, the aforementioned electrolyte solution is used, and a foil showing noble potential at least in the electrolyte solution than the electrode potential of the cathode tab, or a cathode electrode foil subjected to chemical treatment is used as the cathode electrode foil, so as to obtain an excellent leakage characteristic.

Abstract: A metal or metal alloy foil substrate, preferably an unetched and uncoated metal or metal alloy foil substrate, such as but not limited to titanium, palladium, lead, nickel, tin, platinum, silver, gold, zirconium, molybdenum, tantalum, palladium-silver alloy, platinum-rhodium alloy, platinum-ruthenium alloy, and/or platinum-iridium alloy, is used as the cathode in an electrolytic capacitor, preferably an aluminum electrolytic capacitor having a multiple anode flat, stacked capacitor configuration. Despite a 120 Hz bridge capacitance measurement lower than with etched aluminum, the use of an unetched and uncoated metal or metal alloy foil cathode according to the present invention will inhibit gas production and not cause the capacitor to swell. Furthermore, an electrolytic capacitor built with a 30 micron unetched and uncoated foil cathode according to the present invention can deliver a stored to discharge energy ratio sufficient for use in pulse discharge applications, such as an in an ICD.

Abstract: A solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a plurality of openings passing through the anode lead. Another solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a cutout on an outer circumference edge of the anode lead.

Abstract: A solid electrolytic capacitor (A) includes a first porous sintered body (1A) made of valve metal, anode conduction members (21A, 21B) electrically connected to the first porous sintered body (1A), surface-mounting anode terminals (3A, 3B) electrically connected to the anode conduction members (21A, 21B), surface-mounting cathode terminals, and a second porous sintered body (1B) made of valve metal and intervening between the first porous sintered body (1A) and the anode conduction members (21A, 21B).

Abstract: A solid electrolytic capacitor includes a negative terminal, first to fourth capacitor elements coupled to the negative terminal, first and second positive terminals connected to the first to fourth capacitor elements, and a package resin covering the first to fourth capacitor elements. Each of the first to fourth capacitor elements has a first end and a second end opposite to the first end, and each of the first to fourth capacitor elements includes a negative electrode provided at the first end and a positive electrode provided at the second end. The first to fourth capacitor elements are stacked in this order. The positive electrodes of the first and fourth capacitor elements extend in a first direction from the respective negative electrodes of the first and fourth capacitor elements. The positive electrodes of the second and third capacitor elements extend in a second direction, opposite to the first direction, from the respective negative electrodes of the second and third capacitor elements.

Abstract: Capacitive devices are described having electrical interconnects of electrodes which possess efficient electrical contact between current collectors, electrical isolation of electrodes, and/or electrochemical stability, while minimizing the mechanical stress and strain applied to the electrodes. The capacitive devices are adaptable to a wide range of electrode diameters and electrode stack lengths.

Abstract: A process for producing an electrode for an electric double layer capacitor, in which water is used as a forming auxiliary agent and kneading an pulverizing steps are omitted to improve production efficiency, and a process for producing an electric double layer capacitor employing such a electrode, are provided. In a first mixing step, an activated carbon and a carbon black are mixed by a grinder containing a grinding medium. As the grinder containing a grinding medium used in this first mixing step, a commonly used ball mill can be used. In the second mixing step, a mixture is taken out from the grinder containing a grinding medium of the first mixing step, and moved into a second mixer prepared separately. Then, polytetrafluoroethylene as a binder and water as a liquid lubricant are added and the materials are mixed again. Thereafter, a calendar forming is carried out.

Abstract: The present invention relates to a capacitor having high capacitance, low ESR (equivalent series resistance) in a high-frequency region and low leakage current, including a composite oxide film obtained by reaction of an oxide film obtained by subjecting the surface of the substrate comprising valve-acting metal element to electrolytic oxidation with a solution in which metal ion and an organic base are dissolved and by subsequently sintering the reactant, a solid electrolyte formed on the composite oxide film and a conductor layer formed thereon; a method for producing the same and electronic devices using the same.

Abstract: A method for manufacturing an electrolytic capacitor with improved deformation qualities includes impregnating an electrolytic capacitor with a first electrolyte, aging the electrolytic capacitor after impregnating and reimpregnating the electrolytic capacitor with a second electrolyte. The water content of the second electrolyte is lower than the water content of the first electrolyte. The second electrolyte may also have a lower viscosity and a higher conductivity than the first electrolyte.

Abstract: A conductive paste for a solid electrolytic capacitor electrode contains an electroconductive powder having a mean particle size of no more than 1 ?m and at least 90% thereof having a particle size of at least 0.3 ?m; an organic binder; and a solvent.

Abstract: In some embodiments, the present invention is directed to processes for the combination of injecting charge in a material electrochemically via non-faradaic (double-layer) charging, and retaining this charge and associated desirable properties changes when the electrolyte is removed. The present invention is also directed to compositions and applications using material property changes that are induced electrochemically by double-layer charging and retained during subsequent electrolyte removal. In some embodiments, the present invention provides reversible processes for electrochemically injecting charge into material that is not in direct contact with an electrolyte. Additionally, in some embodiments, the present invention is directed to devices and other material applications that use properties changes resulting from reversible electrochemical charge injection in the absence of an electrolyte.

Abstract: A pressed anode formed from an electrically conductive powder that contains a plurality of coarse agglomerates and fine agglomerates is provided. The fine agglomerates have an average size smaller than that of the coarse agglomerates so that the resulting powder contains two or more distinct particle sizes, i.e., a “bimodal” distribution. In this manner, the fine agglomerates can effectively occupy the pores defined between adjacent coarse agglomerates (“inter-agglomerate pores”). Through the occupation of the empty pores, the fine agglomerates can increase the apparent density of the resulting powder, which improves volumetric efficiency.

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.

Abstract: A solid electrolytic capacitor comprising an anode composed of a valve metal or its alloy, a dielectric layer formed on a surface of the anode, a coupling agent layer formed by subjecting the dielectric layer to a surface treatment with a coupling agent having a phosphonic acid group, a conductive polymer layer formed on the coupling agent layer, and a cathode layer formed on the conductive polymer layer.

Abstract: A capacitor cell for use in medical devices, comprising: an anode substrate; a dielectric layer, formed on the anode substrate, including at least two valve metal oxides; a cathode separated from the anode substrate; and an electrolyte operatively associated with the anode substrate and the cathode.

Abstract: Tantalum powder capable of providing a small-sized tantalum electrolytic capacitor while maintaining capacity is described. Tantalum powder in the present invention can be characterized in that the CV value is from 200,000 to 800,000 ?FV/g, when measured by the following measuring method. Pellets are produced by forming tantalum powder such that the density is 4.5 g/cm3, then the pellets are chemically converted in a phosphoric acid aqueous solution of concentration 0.1 vol. % at a voltage of 6V and a current of 90 mA/g, and the chemically converted pellets are used as measuring samples to measure the CV value in a sulfuric acid aqueous solution of concentration 30.5 vol. % at a temperature of 25° C. under a frequency of 120 Hz and a voltage of 1.5V.

Abstract: An electrolytic capacitor that is configured to be embedded into a circuit board is provided. The electrolytic capacitor contains a capacitor element, anode and cathode terminations, and a case that encapsulates the capacitor element and leaves at least a portion of the anode and cathode terminations exposed that extend outwardly from opposite ends of the case. Each of the terminations possesses an upper surface that faces toward the capacitor element and a lower surface that faces away from the capacitor element. In contrast to conventional surface-mounted electrolytic capacitors, the upper surfaces of these exposed anode and cathode termination portions are mounted to the circuit board. In this manner, the capacitor may essentially be mounted “upside down” so that some or all of its thickness becomes embedded within the board itself, thereby minimizing the height profile of the capacitor on the board.

Abstract: A solid electrolytic capacitor including: an anode containing a valve metal or its alloy; a dielectric layer provided on the surface of the anodic; a cathode provided on the surface of the dielectric layer; and an outer package resin covering the anode, the dielectric layer and the cathode, wherein a glass transition temperature (Tgb) of the outer package resin is a temperature ranging from 0.50 to 0.90 times a maximum glass transition temperature (Tga) which is a maximum value of glass transition temperatures exhibited by the outer package resin after each heat treatment at variable temperatures of every 10° C. from 50° C. to 200° C. (treatment time: 5 hours) which is performed on the outer package resin before a curing process.