摘要:
In a second generation fuel cell, hydrogen and oxygen are produced by the chemical dissociation of water with the simultaneous generation of electron charged hydroxyl ions. Alkali metals, termed initiators, and alkaline earths, termed moderators, react exothermally with water in the cathode compartment to generate charged hydroxyl ionic current flow in an amount corresponding to the electrochemical equivalence of the weight of each type material reacted. The ionic electron current flow resulting from the chemical reactions occurring in the cathode compartment is discharged on the outer surfaces of a metal conduit acting as a capacitor plate, and are electrically conducted through its metal wall and deposited on the inner surfaces of the metal conduit. The build up of electron charge on the inner wall reaches a critical potential and emits electrons to receptor hydroxyl ions of the passive receptor anodic electrolyte circuit flowing through the metal conduit. Because the metal conduit accepts electrons from the cathode electrolyte ions on its outer surface and emits electrons from its inner surface to ions in the anode electrolyte circuit it is termed an Ionic Capacitor. The Ionic Capacitor operates on the principle of conservation of energy and assumes the transference of electrons between its opposing plate surfaces as being electrochemically equivalent to the reversibility of the energy release of the chemical reactions occurring in the cathode circuit of the fuel cell.
摘要:
A capacitor including at least one interior metallization plane or plate and a multiplicity of vias for forming multiple redundant electrical connections within the capacitor. Series capacitors are provided having at least two interior plates redundantly electrically connected to at least two respective exterior plates. R-C devices are provided having multiple redundant vias filled with resistor material and/or conductor material to provide a resistor either in series with or parallel to a capacitor. Capacitors and R-C devices are provided having end terminations for applying voltage differential. Further, a method for making single capacitors, multiple parallel array capacitors, series capacitors and R-C devices is provided in which the chips are formed from the bottom up.
摘要:
A layered product comprising a plurality of deposition units, each comprising a thin resin layer and a thin metal layer wherein the surface roughness of the thin resin layer is 0.1 &mgr;m or below, a protrusion forming component is not added to the thin resin layer or the surface roughness of the thin metal layer is 0.1 &mgr;m or below. The surface characteristics are improved regardless of the thickness of the layered product and the requirement of high performance thin film can be satisfied because the layered product contains no foreign matter. The layered product is suitably applicable to electronic parts, e.g., a capacitor, especially a chip capacitor.
摘要:
A solid-phase method for making a barium titanate powder involves the steps of compounding powdered barium carbonate and powdered titanium oxide and calcining the mixture. The powdered barium carbonate used is needle particles having an aspect ratio of the length of the long axis to the length of the short axis of at least about 2. The powdered barium carbonate preferably has a specific surface area of about 5 m2/g or more. The resulting barium titanate powder is finer and homogeneous.
摘要:
A layered product including a plurality of deposition units, each having a thin resin layer and a thin metal layer wherein the surface roughness of the thin resin layer is 0.1 &mgr;m or below, a protrusion forming component is not added to the thin resin layer or the surface roughness of the thin metal layer is 0.1 &mgr;m or below. The surface characteristics are improved regardless of the thickness of the layered product and the requirement of high performance thin film can be satisfied because the layered product contains no foreign matter. The layered product is suitably applicable to electronic parts, e.g., a capacitor, especially a chip capacitor.
摘要:
A ceramic condenser module includes at least one first multi-layered ceramic condenser and at least one second multi-layered ceramic condenser, which are mounted to a front surface and a back surface of a substrate, respectively. When a total surface area of the outside surfaces of the mounted first and second multi-layered ceramic condensers excluding surfaces thereof opposing the substrate is defined as S2, and a total equal to S2 and a surface area of the outside surface of the substrate excluding the area covered by the first and second multi-layered ceramic condensers is defined as S1, S1 is equal to or greater than about 1.3 times S2. With this arrangement, the ceramic condenser module is suitable for use with large amounts of current, has excellent heat-dissipation effect, is much smaller and much less expensive.
摘要:
A capacitor including at least one interior metallization plane or plate and a multiplicity of vias for forming multiple redundant electrical connections within the capacitor. Series capacitors are provided having at least two interior plates redundantly electrically connected to at least two respective exterior plates. R-C devices are provided having multiple redundant vias filled with resistor material and/or conductor material to provide a resistor either in series with or parallel to a capacitor. Capacitors and R-C devices are provided having end terminations for applying voltage differential. Further, a method for making single capacitors, multiple parallel array capacitors, series capacitors and R-C devices is provided in which the chips are formed from the bottom up.
摘要:
The invention relates to a device for accumulation of electrical energy. The device is a substantially cylindrical winding of strips. At least one strip is a strip conductor. The device is defined transversally by a substantially cylindrical lateral face and longitudinally by two opposite end faces. Each of the two opposite end faces contains an edge of the strip conductor. In the device, at least one of the edges of at least one strip conductor contains a plurality of teeth. The teeth are disposed on at least one of the end faces and form at least one set in which they are substantially superimposed in a predetermined direction, approximately perpendicular to a plane tangent to the cylindrical face. The teeth constitute a group of elements of electrical connection to a terminal and in which each element extends itself in continuity with the strip conductor which comprises the element.
摘要:
A dielectric ceramic composition includes sintered ceramic grains having a core-shell structure, wherein smaller than or equal to 50% of the grains have a domain width of twin less than 20 nm; 30% to 70% of the grains have a domain width of twin in the range from 20 nm to 50 nm; less than or equal to 50% of the grains have a domain width of twin greater than 50 nm or have no twin. A ceramic capacitor includes more than one internal electrode and one or more dielectric layers composed of a dielectric ceramic composition, each of the dielectric layers being sandwiched between two neighboring internal electrodes.
摘要:
The present invention is directed by a capacitor comprising of dielectrics formed of a plastic film in which ceramic particles are dispersed. The plastic film is manufactured by the processes comprising the steps of coating the ceramic particles with wax, dispersing the wax-coated ceramic particles in a molten plastic, and extruding the molten plastic in which ceramic particles are dispersed into a think film.