Abstract: The invention relates to a method for manufacturing dielectric ceramic powder and a multilayer ceramic capacitor using the ceramic powder. According to the invention, BaCO3 powder is dispersed into a solution of solvent and dispersant to prepare BaCO3 slurry and then the resultant BaCO3 slurry is wet-milled. Also, TiO2 powder slurry is mixed into the wet-milled BaCO3 slurry to form mixed slurry and then the mixed slurry is dried into mixed powder. Finally, the dried mixed powder is calcined to produce BaTiO3 powder.

Abstract: Multilayer ceramic chip capacitors which satisfy X7R and BX requirements and which are compatible with silver-palladium internal electrodes are made in accordance with the invention. The capacitors exhibit desirable dielectric properties (high capacitance, low dissipation factor, high insulation resistance), excellent performance on highly accelerated life testing, and very good resistance to dielectric breakdown. The dielectric layers comprise a lead-free and cadmium-free barium titanate base material doped with other metal oxides such oxides of zinc, boron, bismuth, cerium, tungsten, copper, manganese, neodymium, niobium, silver, barium, silicon and nickel in various combinations. The dielectric ceramic materials herein can be sintered together (fired) at less than 1000° C. with an inner electrode having more than 80 wt % Ag and less than 20 wt % Pd to form a multilayer ceramic capacitor (MLCC).

Abstract: An electronic device having an element body comprising an internal electrode layer, wherein the internal electrode layer includes an alloy, the alloy contains a nickel (Ni) element and at least one kind of element selected from ruthenium (Ru), rhodium (Rh), rhenium (Re) and platinum (Pt), and a content of each component is Ni: 80 to 100 mol % (note that 100 mol % is excluded) and a total of Ru, Rh, Re and Pt: 0 to 20 mol % (note that 0 mol % is excluded).

Abstract: The use of atomic layer deposition (ALD) to form a dielectric layer of hafnium oxide (HfO2) doped with dysprosium (Dy) and a method of fabricating such a combination gate and dielectric layer produces a reliable structure for use in a variety of electronic devices. Forming the dielectric structure includes depositing hafnium oxide using atomic layer deposition onto a substrate surface using precursor chemicals, followed by depositing dysprosium oxide onto the substrate using precursor chemicals, and repeating to form the thin laminate structure.

Abstract: A small, large-capacitance multi-layer ceramic capacitor suppressed for remarkable lowering of permittivity, having a capacitor main body formed of ceramic dielectric layers comprising barium titanate as a main component and an Si oxide at a ratio of 0.5 to 10 mol being converted as SiO2 based on 100 mol of barium titanate and internal electrode layers, and a pair of external electrodes which are formed at the end faces of the capacitor main body and connected electrically with the internal electrode layers, in which the ceramic dielectric layer has crystal grains, crystal grain boundaries each present between the crystal grains and a grain boundary triple point, and B/A is 0.

Abstract: The present invention aims to provide an electronic component capable of reducing the occurrence of cracks at the joining portion to a board etc. A capacitor 1 (laminated ceramic capacitor) being one example of the electronic component is provided with an element assembly 10 (ceramic) and a pair of external electrodes 20 formed on both side surfaces of the element assembly 10. In the element assembly 10, a dielectric layer 12 and an internal electrode 14 are laminated alternately. The external electrode 20 has such constitution that a first electrode layer connected with the internal electrode, a second electrode layer (electroconductive resin layer) including a hardened product of thermohardening resin containing a polyphenol compound having a side chain composed of an aliphatic group, a third electrode layer composed of Ni and a fourth electrode layer composed of Sn are formed in this order from the element assembly side.

Abstract: The present invention discloses a carbon-porous media composite electrode material, a composite electrode using the same and a preparation method thereof. The carbon-porous media composite electrode can be applied for a device such as a secondary battery, a capacitor or the like, or for preparing ultra pure water using a capacitive deionization process, purifying salty water or the like.

Abstract: Dielectric ceramic having a high dielectric constant of 5,500 or more and exhibiting good dielectric constant temperature characteristic, and a small, high-capacitance monolithic ceramic capacitor having an electrostatic capacitance temperature characteristic satisfying the X5R characteristic are provided. The dielectric ceramic includes a BaTiO3 based or (Ba,Ca)TiO3 based primary component, a rare-earth element and Cu, and has a structure composed of crystal grains and grain boundaries between the crystal grains.

Abstract: The invention provides a multilayer ceramic capacitor comprising a capacitor body composed by alternately layering dielectric layers and inner electrode layers, and each of the above mentioned dielectric layers contains a plurality of crystal particles, and grain boundary phases comprising interfacial grain boundaries and triple point grain boundaries formed among a plurality of the crystal particles adjacent to one another, and Si—Ba—O compound being formed in 5% or more of the triple point grain boundaries in the entire triple point grain boundaries per unit surface area of the dielectric layer. Accordingly, the multilayer ceramic capacitor has high relative permittivity and is high the temperature property and highly accelerated life test property.

Abstract: A polymeric dielectric composition is disclosed, having a paraelectric filler with a dielectric constant between 50 and 150. Such compositions are well suited for electronic circuitry, such as, multilayer printed circuits, flexible circuits, semiconductor packaging and buried film capacitors.

Abstract: Dielectric ceramics represented as: CaxZrO3+aMn+bLi+cB+dSi and comprising: based on 100 mol of CaxZrO3 (where 1.00?x?1.10), 0.5?a?4.0 mol, and 6.0?b+c+d?15.0 mol, in which 0.15?b/(c+d)?0.55, and 0.20?d/c?3.30 or multi-layer ceramic capacitor using the same.

Abstract: A dielectric ceramic composition in a multilayer ceramic capacitor with a composition of formula: {[(CaO)t(SrO)1-t]m[(ZrO2)v(TiO2)1-v]}1-s-xAsEx wherein: A is a transition metal oxide; E is an oxide of an element selected from the group consisting of Ge, Si, Ga and combinations thereof; m is 0.98 to 1.02; t is 0.50 to 0.90; v is 0.8 to 1.0; s and x are selected from the group consisting of: a) 0?x?0.08, 0.0001?s?0.043 and x?1.86s; and b) 0?x?0.0533, 0.0001?s?0.08 and x?0.667s.

Abstract: The present invention relates to a ceramic laminated device including a dielectric ceramic and an Ag electrode. In a dielectric ceramic that can be sintered at low temperatures and has a high dielectric constant and Q value, reactivity between the ceramic and Ag during sintering is suppressed low and segregation of specific elements in the proximity of the electrode is controlled. Thus, a filter having a high Q value and low loss is produced stably. For this purpose, in a ceramic laminated body including at least a ceramic and a Si-containing glass, a ratio of A/B, i.e. a ratio of a Si element concentration (A) within a range at a distance of 5 ?m or smaller from the Ag electrode to a Si element concentration (B) within a range at a distance larger than 5 ?m from the Ag electrode, is set equal to or smaller than 2.

Abstract: The present invention provides a dielectric ceramic composition, which is, in addition to having superior resistance to reduction during firing, superior capacitance temperature characteristics after firing and superior dielectric characteristics, also demonstrates an enhanced lifetime for insulation resistance. The present invention is a dielectric ceramic composition comprising 0.18 to 0.5 part by weight of Yb2O3, 0.6 to 1.5 parts by weight of MgO, 0.4 to 1.5 parts by weight of CaSiO3, 0.02 to 0.2 part by weight of WO3, 0.1 to 0.4 part by weight of MnCO3 and 0.02 to 0.2 part by weight of MoO3 based on 100 parts by weight of (BaO)m.TiO2 (wherein, m is from 0.990 to 0.995).

Abstract: A multilayer capacitor has a capacitor element body in which a plurality of insulator layers are laminated, first and second terminal electrodes, a first internal electrode group, and a second internal electrode group. The first and second terminal electrodes are disposed on an external surface extending in a direction parallel to a laminating direction of the insulator layers, among external surfaces of the capacitor element body. The first internal electrode group has a first internal electrode connected to the first terminal electrode, and a second internal electrode connected to the second terminal electrode. The second internal electrode group has a third internal electrode connected to the first terminal electrode, a fourth internal electrode connected to the second terminal electrode, and at least one intermediate internal electrode not connected to the first and second terminal electrodes.

Abstract: A method and class of circuit configurations for coupling low-frequency signals from one stage of an electronic apparatus to another stage, from the outside world to such a stage, or from such a stage to the outside world, through the use of a plurality of symmetrical double-layer capacitors combined with other electronic components are disclosed. The capacitors are used for signal transmission while blocking direct current, rather than for energy storage. Use of double-layer capacitors in place of more conventional capacitors permits the transmission of a much wider range of signals with far less distortion. The technology is particularly well-adapted to use in medical devices, including bioelectronic stimulators, where redundant devices are required for safety in case of single component failure while unacceptable levels of distortion may occur when conventional components are used.

Abstract: A mixed dispersant which can improve the efficiency of dispersing metal powder by effectively adsorbing on the surface of the metal powder and preventing aggregation thereof, and a paste composition and a dispersion method using the same are provided. A multilayer ceramic capacitor (MLCC) is also provided. The mixed dispersant includes a basic dispersant and an acidic dispersant in accordance with the acidity and basicity of nickel metal powder and thus can achieve an optimal dispersion efficiency. An improvement in the dispersion efficiency as such can consequently suppress aggregation of the nickel metal powder during the preparation of a conductive paste composition containing a nickel metal powder, and therefore a larger amount of the nickel metal powder can be used in the paste composition. The increased amount of nickel metal powder allows producing an internal nickel electrode having improved electric properties and mechanical properties during the production of MLCCs.

Abstract: In a multilayer ceramic substrate having a built-in capacitor provided in a ceramic laminate including a plurality of ceramic layers laminated to each other, the built-in capacitor being formed of a first capacitor electrode, a second capacitor electrode, and one of the dielectric glass ceramic layers, the capacitance value of the built-in capacitor is adjusted by performing laser trimming of the first capacitor electrode. The one dielectric glass ceramic layer is made of a TiO2-based dielectric glass ceramic layer in which the amount of dielectric grains including TiO2 is about 10 percent to about 35 percent by volume.

Abstract: A multilayer ceramic capacitor includes a plurality of ceramic dielectric layers, a plurality of inner electrode layers and and external electrodes. The ceramic dielectric layers includes barium titanate crystal grains having pores inside. The inner electrode layers are between the ceramic dielectric layers. The external electrodes are electrically connected to the inner electrode layers. The barium titanate crystal grains each have a core-shell structure which include a core and a shell around the core. The the pores are mainly formed in the cores.

Abstract: A dielectric ceramic composition comprising a main component including barium titanate and an oxide of Al, wherein the dielectric ceramic composition includes a plurality of dielectric particles, concentration of Al in each of the dielectric particles becomes lower from a particle surface to inside thereof, and each of the dielectric particles has an Al non-dispersed region substantially not including Al at least at a center portion of the particle.

Abstract: The present invention relates to a dielectric ceramic composition comprising a main component including at least one selected from barium titanate, strontium titanate and calcium titanate, and as a subcomponent, a glass component including an oxide of B, wherein a content of said glass component is 2 to 7 wt % with respect to 100 wt % of said main component. According to the present invention, there are provided a dielectric ceramic composition wherein a layer can be made thinner by relatively decreasing a content of the glass component, etc., as well as having good properties (specific permittivity, loss Q value and insulation resistance), and a complex electronic device such as a multilayer filter or a multilayer ceramic capacitor, which has a dielectric layer composed of the dielectric ceramic composition.

Abstract: To provide a multilayer ceramic capacitor which has capacitance-temperature characteristics satisfying the X8R characteristic specified by the EIA standard and has capacitance with an excellent long-term stability. The object is achieved by a multilayer ceramic capacitor comprising a laminate including alternately stacked dielectric layers of a sintered compact composed of crystal particles of a dielectric porcelain composite and internal-electrode layers.

Abstract: A manufacturing method of conductive paste comprising arranging process (S20 to S23) of ceramics particles, arranging process (S10 to S14) of wetted metal particles, forming process (S30) of slurry wherein metal particles and ceramics particles are mixed and dispersion treatment process (S32) by applying collision to the slurry. The arranging process of wetted metal particles comprises, a process (S12) of adding solvent, compatible with organic component in conductive paste and incompatible with water, to undried water washed metal particles, a process (S18) of adding surfactant, a process (S14) of separating water from the metal particles and a process (S15) of adding acetone or the other second solvent.

Abstract: Provided is a multilayer ceramic capacitor having a capacitor body formed by alternately laminating a dielectric layer and an internal electrode layer, and an external electrode formed on both ends of the capacitor body. The dielectric layer has at least two type of barium titanate crystal grains that differ from one another in at least one selected from Ca composition concentration, Sr composition concentration, and Zr composition concentration, and a grain boundary phase. If this multilayer ceramic capacitor employs, as a dielectric layer, a dielectric ceramic that contains barium titanate crystal grains in which part of Ba is substituted by Ca, Sr, or Zr, it is capable of suppressing the grain growth of crystal grains, and improving relative dielectric constant, temperature characteristic, and high-temperature load test characteristic, for example, in high-volume manufacturing using a tunnel type large kiln.

Abstract: A semiconductor ceramic comprising a donor element within the range of 0.8 to 2.0 mol relative to 100 mol of Ti element contained as a solid solution with crystal grains, a first acceptor element in an amount less than the amount of the donor element is contained as a solid solution with the crystal grains, a second acceptor element within the range of 0.3 to 1.0 mol relative to 100 mol of a Ti element is present in crystal grain boundaries, and the average grain size of the crystal grains is 1.0 ?m or less. A monolithic semiconductor ceramic capacitor is obtained by using this semiconductor ceramic. To form the semiconductor ceramic, in a first firing treatment to conduct reduction firing, a cooling treatment is conducted while the oxygen partial pressure at the time of starting the cooling is set at 1.0×104 times or more the oxygen partial pressure in the firing process.

Abstract: A dielectric ceramic composition comprising a main component including Ba, Ca and Ti and having a perovskite crystal structure expressed by a general formula ABO3 and a fourth subcomponent including a compound of Zr; wherein a content of the fourth subcomponent with respect to 100 moles of the main component is larger than 0 mole and smaller than 5 moles in terms of Zr and, preferably, a segregation phase including the compound of Zr is provided.

Abstract: A dielectric ceramic includes a compound represented by the general formula: (Ba1-tCat)m(Ti1-u-xZruCux)O3 (where 0.96?m?1.02, 0.001?x?0.03, 0?t?0.1, and 0?u?0.06) as a primary component, a rare earth element Re such as Dy, a metal element M such as Mn, Mg, and Si. In the dielectric ceramic, the Cu is uniformly and dispersedly present in the primary phase grain forming the primary component, and the contents of the accessory components with respect to 100 molar parts of the primary component are 0.1 to 1.5 molar parts of Re, 0.1 to 0.6 molar parts of M, 0.1 to 1.5 molar parts of Mg and 0.1 to 2.0 molar parts of Si. Accordingly, a multilayer ceramic capacitor can be realized which has a high dielectric constant, superior temperature properties, and a high reliability, and also has a small change in electrostatic capacitance with time.

Abstract: A dielectric ceramic composition of the present invention contains, as a main component, a tungsten-bronze-type composite oxide represented by a composition formula (K1-yNay)Sr2Nb5O15 (wherein 0?y<0.2) and, as an auxiliary component, Mn in an amount in the range of 0.1 to 40 parts by mole relative to 100 parts by mole of the main component.

Abstract: A dielectric ceramic material comprising the composition: 100(Ba1-xCax)mTiO3+aMnO+bCuO+cSiO2+dMgO+eRO (wherein coefficients 100, a, b, c, d, and e each represent mols; m represents the molar ratio of (Ba1-xCax) to Ti; and RO represents at least one rare-earth element oxide selected from Y2O3, La2O3, 2CeO2, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Tb2O3, Dy2O3, Ho2O3, Er2O3, Tm2O3, Yb2O3 and Lu2O3), wherein m, x, a, b, c, d, and e satisfy the relationships: 0.998?m?1.030, 0.04?x?0.15, 0.01?a?5, 0.05?b?5, 0.2?c?8, 0.05?d?3.0, and 0.05?e?2.5, and the dielectric ceramic material has an average grain size of 0.3 ?m to 0.7 ?m, is used to make reliable multilayer ceramic capacitors including dielectric ceramic layers each having a small thickness of about 1 ?m.

Abstract: Crystal grains mainly composed of barium titanate have a mean grain size of not more than 0.2 ?m. The volume per unit cell V that is represented by a product of lattice constant (a, b, c) figured out from the X-ray diffraction pattern of the crystal grains is not more than 0.0643 nm3. Thereby, a dielectric ceramics having high relative dielectric constant can be obtained. A multilayer ceramic capacitor comprises a capacitor body and an external electrode that is formed at both ends of the capacitor body. The capacitor body comprises dielectric layers composed of the dielectric ceramics, and internal electrode layers. The dielectric layers and the internal electrode layers are alternately laminated.

Abstract: A multi-layer ceramic capacitor has a temperature characteristic satisfying an X8R property and has a high specific resistance under a high temperature circumstance, in which the dielectric ceramic composition forming the dielectric ceramics is expressed by a formula: BaTiO3+aMgO+bMOx+cReO3/2+dSiO2, wherein MgO represents MgO conversion, MOx represents oxide conversion for 1 atom in 1 molecule of at least one metal selected from V, Cr, and Mn, ReO3/2 represents oxide conversion for 1 atom in 1 molecule of at least one rare earth metal selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Y, and SiO2 represents SiO2 conversion, and wherein 0.4?a?3.0 mol, 0.05?b?0.4 mol, 6.0?c?16.5 mol, 3.0?d?5.0 mol, 2.0?c/d?3.3, based on 100 mol of BaTiO3.

Abstract: A dielectric ceramic composition comprising a predetermined main component and a fifth subcomponent including an oxide of A (note that A is at least one king selected from a cation element group having an effective ionic radius of 0.065 nm to 0.085 nm at the time of 6 coordination); and the dielectric ceramic composition comprises a plurality of crystal grains including Ca elements and, when assuming that an average value of a concentration of entire Ca exiting in said respective crystal grains is grain Ca concentration, at least unevenness exists in said grain Ca concentration between said crystal grains and it is 5% or higher in a CV value.

Abstract: A dielectric ceramic composition of the present invention is represented by the general formula, MgxSiO2+x+aSryTiO2+y, wherein x, y and a satisfy the relations of 1.70?x?1.99, 0.98?y?1.02, and 0.05?a?0.40, respectively.

Abstract: A dielectric ceramic composition of the present invention includes 100 parts by mole of BaTiO3, x1 parts by mole of MnO, x2 parts by mole of Cr2O3, x3 parts by mole of Y2O3 and/or Ho2O3, x4 parts by mole of oxide selected from the group consisting of BaO, CaO and SrO, and x5 parts by mole of SiO2 and/or GeO2, where 0.5?x1?4.5, 0.05?x2?1.0, x1+x2?4.55, 0.25?x3?1.5, 0.5 ?x4?6 and 0.5?x5?6. A multilayer ceramic capacitor of the present invention includes a laminated structure of a ceramic dielectric made of such a composition and an electrode made of Ni or Ni alloy.

Abstract: A composite distributed dielectric structure includes one or more conductor layers, one or more dielectric layers distributed on the conductor layers, and one or more conductor traces distributed on the dielectric layers. One or more dielectric plates can be further formed around the conductor traces. The dielectric layers or plates may or may not have plural dielectric materials therein. Each conductor trace lies on a dielectric material without crossing two different dielectric materials. Two or more dielectric layers may be stacked on the conductor layers.

Abstract: A multi-layer ceramic capacitor capable of being sintered at 1,080° C. or lower in a reducing atmosphere, having a permittivity of 2,000 or more, a temperature characteristic of X7R characteristic or X8R characteristic, and favorable life time property, in which the internal electrodes are formed of Cu or a Cu alloy, the dielectric ceramics are constituted with grains each of an average value for the diameter of 400 nm or less as viewed on the cross section and grain boundaries, the grain comprises a dielectric substance having a domain pattern and shells formed on the surface of the dielectric substance and with t/D from 2% to 10% where D represents an average value for the diameter of the grains as viewed on the cross section and t represents the average value for the thickness of the shells.

Abstract: A multi-layer ceramic capacitor has substantially hexagonal shape multi-layer ceramics, internal electrodes formed so as to oppose to each other by way of the dielectric ceramics and led to different end faces alternately in the multi-layer ceramic body, and end termination electrodes formed on both end faces of the multi-layer ceramics and electrically connected to the internal electrodes respectively led out to the end faces, in which the ratio between the average value D for the diameter of the grains and the average value d for the particle diameter of the raw material powder of the perovskite dielectric substance is: 1.2?D/d?1.5, and the average value D for the diameter of the grains constituting the dielectric ceramics is from 40 to 150 nm.

Abstract: A reduction resistant lead-free and cadmium-free glass composition that is particularly suitable for use in conductive ink applications is disclosed. The invention includes a capacitor, which includes a conductive copper termination. The copper termination is made by firing an ink including a glass component, which may include ZnO, provided the amount does not exceed about 65 mole %; B2O3, provided the amount does not exceed about 61 mole %; and, SiO2, provided the amount does not exceed about 63 mole %. The molar ratio of B2O3 to SiO2 is from about 0.05 to about 3.

Abstract: The invention relates to a dielectric ceramic composition, which can be sintered at a low temperature as well as achieve a high dielectric constant with excellent thermal stability, and a multilayer ceramic capacitor using the same. The dielectric ceramic composition comprises a main component of (Ba1?xCax)mTiO3; and sub-components including MgCO3, RE2O3, MO, MnO, V2O5, Cr2O3 and a sintering additive of SiO2. RE2O3 is at least one selected from the rare earth oxide group consisting of Y2O3, Dy2O3 and Ho2O3, and MO is one of Ba and Ca. The dielectric ceramic composition is expressed by a following formula: a(Ba1?xCax)mTiO3-bMgCO3-cRE2O3-dMO-eMnO-fSiO2-gV2O5-hCr2O3. Here, a, b, c, d, e, f, g, and h satisfy following relationships: in mole fraction, a=100, 0.1?b?3.0, 0.1?c?3.0, 0.1?d?3.0, 0.05?e?1.0, 0.2?f?3.0, 0.01?g?1.0, and 0.01?h?1.0, and x and m satisfy following relationships: 0.005?x?0.15, and 0.995?m?1.03.

Abstract: An electronic device having an element body comprising an internal electrode layer, wherein the internal electrode layer includes an alloy, the alloy contains a nickel (Ni) element and at least one kind of element selected from ruthenium (Ru), rhodium (Rh), rhenium (Re) and platinum (Pt), and a content of each component is Ni: 80 to 100 mol % (note that 100 mol % is excluded) and a total of Ru, Rh, Re and Pt: 0 to 20 mol % (note that 0 mol % is excluded).

Abstract: A dielectric ceramic position having at least a main component including barium titanate, a first subcomponent including at least one type of compound selected from MgO, CaO, BaO, a SrO, a second subcomponent including at least one type of compound selected from Al2O3, Li2O, and B2O3, a third subcomponent including at least one type of compound selected from V2O5, MoO3, and WO3, a fourth subcomponent including an oxide of R1 (where R1 is at least one type of element selected from Sc, Er, Tm, Yb, and Lu), and a fifth subcomponent including CaZrO3 or CaO+ZrO2.

Abstract: A laminated ceramic capacitor including a capacitor body where internal electrodes and a dielectric layer are alternately laminated, and external electrodes are provided on the end faces thereof. In this capacitor body, high resistance layers are provided between the internal electrodes and dielectric layer. These high resistance layers contain a ceramic material, an element including at least one selected from Mn, Cr, Co, Fe, Cu, Ni, Mo and V, and/or a rare earth element.

Abstract: An electronic device having an element body, wherein dielectric layers and internal electrode layers are alternately stacked, wherein a hetero phase is formed in the dielectric layers and/or the internal electrode layers; and the hetero phase includes a Mg element and a Mn element. Preferably, the hetero phase is formed at least at a part near boundaries of the dielectric layers and the internal electrode layers.

Abstract: A multi-layer chip capacitor includes a capacitor body; first and second internal electrodes alternately arranged therein and separated by dielectric layers, each of the internal electrodes having at least one opening formed at one or more sides thereof; first and second conductive vias passing through the openings and electrically connected to the first and second internal electrodes, respectively; first and second terminal electrodes of opposite polarities formed on one or more side faces of the capacitor body; and first and second lowermost electrode patterns being coplanar, each pattern including a via contact portion and a lead portion extending therefrom. The first and second lowermost electrode patterns are connected to the first and second terminal electrodes, respectively, through the respective lead portions of the lowermost patterns.

Abstract: The dielectric ceramic has a composition represented by general formula 100(Ba1-x-ySrxCay)m(Ti1-zZrz)O3+aBaO+bR2O3+cMgO+dMnO+eCuO+fV2O5+gXuOv (where R is a rare-earth element such as La, Ce or Pr; and XuOv is an oxide group including at least Si); and 0?x?0.05, 0?y?0.08 (preferably 0.02?y?0.08), 0?z?0.05, 0.990?m, 100.2?(100 m+a)?102, 0.05?b?0.5, 0.05?c?2, 0.05?d?1.3, 0.1?e?1.0, 0.02?f?0.15, and 0.2?g?2. With this composition, a monolithic ceramic capacitor retaining good dielectric characteristics and temperature characteristics even if a high field strength voltage is applied by further thinning the dielectric layers thereof and having excellent reliability achieving good isolating property, dielectric strength, and high-temperature load life is obtained.

Abstract: A dielectric ceramic composition contains a substance represented by general formula 100(Ba1?xCax)mTiO3+aMnO+bCuO+cROn (wherein the coefficients 100, a, b, and c each represent mols; R represents at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; and n represents a number determined by the valence of the rare-earth element R and is a positive number required for maintaining electroneutrality) and a sintering aid. The dielectric ceramic composition satisfies the relationships 0.990?m?1.050; 0.01?x?0.20; 0.5?a?3.5; 0.1?b?5.0; and 10?c?20, and the amount of the sintering aid represented by d in terms of parts by weight per 100 parts by weight of the compound represented by (Ba1?xCax)mTiO3 satisfies 0.8?d?5.0 Furthermore, VO3/2 may be added to increase the breakdown field.

Abstract: A dielectric ceramic composition includes a main component including a dielectric oxide expressed by a composition formula of {(Ca1-xSrx)O}m.(Zr1-yTiy)O2, wherein m, x and y indicating composition mole ratios in the composition formula are in relationships of 0.8?m?1.3, 0x?1.00 and 0.1?y?0.8; a first subcomponent including a V oxide; and a second subcomponent including an Al oxide; wherein ratios of respective components with respect to 100 moles of said main component are the first subcomponent: 0 mole<first subcomponent<7 moles (wherein the value is a V oxide value in terms of V2O5); and the second subcomponent: 0 mole<second subcomponent<15 moles (wherein the value is an Al oxide value in terms of Al2O3).

Abstract: A dielectric ceramic composition, comprising a main component including barium titanate; a first subcomponent including at least one kind selected from MgO, CaO, BaO and SrO; a second subcomponent functioning as a sintering auxiliary agent; a third subcomponent including at least one kind selected from V2O5, MoO3 and WO3; a fourth subcomponent including an oxide of R1 (note that R1 is at least one kind selected from Sc, Er, Tm Yb and Lu); a fifth subcomponent including CaZrO3 or CaO+ZrO2; and an eighth subcomponent including an oxide of A (note that A is at least one kind selected from a cation element group having an effective ionic radius at the time of 6 coordination of 0.065 nm to 0.085 nm); wherein a ratio of the eighth subcomponent with respect to 100 moles of the main component is 0 to 4 moles (note that 0 mole and 4 moles are excluded, and the value is in terms of an A oxide).

Abstract: A semiconductor device having the thin film capacitor includes a first electrode formed on a substrate, a capacitor insulating film containing a laminated film, which is constructed by laminating an amorphous dielectric film and a polycrystalline dielectric film via a wave-like interface, on the first electrode, and a second electrode formed on the capacitor insulating film.

Abstract: A dielectric ceramic is obtained by the steps of obtaining a reaction product composed of a barium titanate base composite oxide represented by the general formula (Ba1?h?i?mCahSriGdm)k(Ti1?y?j?nZryHfjMgn)O3, in which 0.995?k?1.015, 0?h?0.03, 0?i?0.03, 0.015?m?0.035, 0?y<0.05, 0?j<0.05, 0?(y+j)<0.05, and 0.015?n?0.035 hold; mixing less than 1.5 moles of Ma (Ba or the like), less than 1.0 mole of Mb (Mn or the like), and 0.5 to 2.0 moles of Mc (Si or the like) with respect to 100 moles of the reaction product; and firing the mixture thus obtained. This dielectric ceramic has superior humidity resistance, satisfies the F characteristic of the JIS standard and the Y5V characteristic of the EIA standard, has a relative dielectric constant of 9,000 or more, and has superior high-temperature reliability.