Abstract:
Prismatic polymer monolithic capacitor structure that includes multiple interleaving radiation-cured polymer dielectric layers and metal layers. Method for fabrication of same. The chemical composition of polymer dielectric and the electrode resistivity parameters are chosen to maximize the capacitor self-healing properties and energy density, and to assure the stability of the capacitance and dissipation factor over the operating temperature range. The termination electrode that extends beyond the active capacitor area and beyond the polymer dielectric layers has a thickness larger than that used industrially to provide resistance to thermomechanical stress. The glass transition temperature of the polymer dielectric is specifically chosen to avoid mechanical relaxation from occurring in the operating temperature range, which prevents high moisture permeation (otherwise increasing a dissipation factor and electrode corrosion) into the structure. The geometry and shape of the capacitor are appropriately controlled to minimize losses when the capacitor is exposed to pulse and alternating currents.
Abstract:
Prismatic polymer monolithic capacitor structure that includes multiple interleaving radiation-cured polymer dielectric layers and metal layers. Method for fabrication of same. The chemical composition of polymer dielectric and the electrode resistivity parameters are chosen to maximize the capacitor self-healing properties and energy density, and to assure the stability of the capacitance and dissipation factor over the operating temperature range. The termination electrode that extends beyond the active capacitor area and beyond the polymer dielectric layers has a thickness larger than that used industrially to provide resistance to thermomechanical stress. The glass transition temperature of the polymer dielectric is specifically chosen to avoid mechanical relaxation from occurring in the operating temperature range, which prevents high moisture permeation (otherwise increasing a dissipation factor and electrode corrosion) into the structure. The geometry and shape of the capacitor are appropriately controlled to minimize losses when the capacitor is exposed to pulse and alternating currents.
Abstract:
A device and method for providing electrical energy storage of high specific energy density. The device contains one or more layers of high dielectric constant material, such as Barium Titanate or Hexagonal Barium Titanate, sandwiched between electrode layers made up of a variety of possible conducting materials. The device includes additional insulating layers including carbon, such as carbon formed into diamond or a diamond-like arrangement for providing between the electrodes and the dielectric layer to provide for very high breakdown voltages. The layers can be created by a variety of methods including laser deposition and assembled to form a capacitor device provides the high energy density storage.
Abstract:
Certain configurations of a stable capacitor are described which comprise electrodes produced from materials comprising a selected coefficient of thermal expansion to enhance stability. The electrodes can be spaced from each other through one of more dielectric layers or portions thereof. In some instances, the electrodes comprise integral materials and do not include any thin films. The capacitors can be used, for example, in feedback circuits, radio frequency generators and other devices used with mass filters and/or mass spectrometry devices.
Abstract:
LTCC devices are produced from dielectric compositions comprising a mixture of precursor materials that, upon firing, forms a dielectric material comprising a matrix of titanates of alkaline earth metals, the matrix doped with at least one selected from rare-earth element, aluminum oxide, silicon oxide and bismuth oxide.
Abstract:
A monolithic ceramic capacitor includes a plurality of first and second inner electrodes in a ceramic body. A direction in which the first and second inner electrodes are stacked is a stacking direction, a direction perpendicular or substantially perpendicular to the stacking direction in the ceramic body is a length direction, and a direction perpendicular or substantially perpendicular to the stacking direction and the first direction is a width direction. The ceramic body includes an effective portion, a first outer layer portion, a second outer layer portion, a first side portion, and a second side portion. A ratio A/B is about 0.04 or less when a dimension of each of the first side portion and the second side portion in the width direction is A and a dimension of the effective portion in the stacking direction is B.
Abstract:
An electrical capacitor includes a dielectric spacer. Metal electrodes are held in contact with opposite surfaces of the dielectric spacer by magnetic force.
Abstract:
A composition for ceramic substrates that includes a mixture of borosilicate glass powder and ceramic powder. The borosilicate glass powder contains 4% to 8% by weight B2O3, 38% to 44% by weight SiO2, 3% to 10% by weight Al2O3, and 40% to 48% by weight MO, where MO is at least one selected from CaO, MgO, and BaO. The mixing proportions of the borosilicate glass powder and the ceramic powder are 50% to 56% by weight the borosilicate glass powder and 50% to 44% by weight the ceramic powder. The ceramic powder has an average particle diameter D50 of 0.4 to 1.5 μm.
Abstract translation:一种陶瓷基材的组合物,其包括硼硅酸盐玻璃粉末和陶瓷粉末的混合物。 硼硅酸盐玻璃粉末含有4重量%至8重量%的B 2 O 3,38重量%至44重量%的SiO 2,3重量%至10重量%的Al 2 O 3和40重量%至48重量%的MO,其中MO为选自 CaO,MgO和BaO。 硼硅酸盐玻璃粉末和陶瓷粉末的混合比例为硼硅酸盐玻璃粉末的50〜56重量%,陶瓷粉末为50〜44重量%。 陶瓷粉末的平均粒径D50为0.4〜1.5μm。
Abstract:
A composite laminated ceramic electronic component that includes co-fired low dielectric-constant ceramic layers and high dielectric-constant ceramic layers. The low dielectric-constant ceramic layers and high dielectric-constant ceramic layers are each composed of a glass ceramic containing: a first ceramic composed of MgAl2O4 and/or Mg2SiO4; a second ceramic composed of BaO, RE2O3 (RE is a rare-earth element), and TiO2; glass containing each of 44.0 to 69.0 weight % of RO (R is an alkaline-earth metal), 14.2 to 30.0 weight % of SiO2, 10.0 to 20.0 weight % of B2O3, 0.5 to 4.0 weight % of Al2O3, 0.3 to 7.5 weight % of Li2O, and 0.1 to 5.5 weight % of MgO; and MnO, and the content ratios of the glass, etc. are varied between the low dielectric-constant ceramic layers and the high dielectric-constant ceramic layers.
Abstract translation:一种复合层压陶瓷电子元件,包括共烧低介电常数陶瓷层和高介电常数陶瓷层。 低介电常数陶瓷层和高介电常数陶瓷层各自由玻璃陶瓷组成,该陶瓷含有:由MgAl 2 O 4和/或Mg 2 SiO 4组成的第一陶瓷; 由BaO,RE2O3(RE为稀土元素)和TiO2组成的第二陶瓷; 含有44.0〜69.0重量%的RO(R为碱土金属),14.2〜30.0重量%的SiO 2,10.0〜20.0重量%的B 2 O 3,0.5〜4.0重量%的Al 2 O 3,0.3〜7.5重量% 的Li 2 O和0.1〜5.5重量%的MgO; 和MnO,并且玻璃等的含量比在低介电常数陶瓷层和高介电常数陶瓷层之间变化。
Abstract:
Disclosed are a glass composition and a dielectric composition enabling low temperature sintering, and a high capacitance multilayer ceramic capacitor using the same. In the glass composition used for sintering, the glass composition may be formed of a formula, aR2O-bCaO-cZnO-dBaO-eB2O3-fAl2O3-gSiO2, and the formula may satisfy a+b+c+d+e+f+g=100, 0≦a≦7, 1≦b≦3, 1≦c≦15, 10≦d≦20, 3≦e≦10, 0≦f≦3, and 55≦g≦72. Through this, when manufacturing the high capacity multilayer ceramic capacitor, the dielectric substance may enable the lower temperature sintering, thereby enhancing a capacitance and a reliability of the high capacitance multilayer ceramic capacitor.
Abstract translation:公开了一种能够进行低温烧结的玻璃组合物和电介质组合物,以及使用其的高容量多层陶瓷电容器。 在用于烧结的玻璃组合物中,玻璃组合物可由式aR2O-bCaO-cZnO-dBaO-eB2O3-fAl2O3-gSiO2形成,式可以满足+ b + c + d + e + f + g = 100,0 @ a @ 7,1 @ b @ 3,1 @ c @ 15,10 @ d @ 20,3 @ e @ 10,f @ 3和55 @ g @ 72。 由此,在制造高容量多层陶瓷电容器时,电介质可以实现低温烧结,从而提高高容量多层陶瓷电容器的电容和可靠性。