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| Number | Title | Issue Date |
| 8076256 | Semiconductor ceramic composition and method for producing the same It is intended to provide a Pb-free semiconductor ceramic composition capable of shifting its Curie temperature toward a positive direction and capable of enhancing its jump characteristic while minimizing the increase in the resistivity at room temperature. There i... | 12/13/2011 |
| 8067324 | Low dielectric loss ceramic ferroelectric composite material The ceramic ferroelectric composite material ensures the achievement of the technical result, consisting in a decrease in the level of the dielectric losses in the radio and microwave frequencies for the materials with the dielectric constant from 152 to 796 togethe... | 11/29/2011 |
| 7893001 | Semiconductor porcelain composition The invention intends to provide, in BaTiO3 semiconductor porcelain composition, a semiconductor porcelain composition that, without using Pb, can shift the Curie temperature to a positive direction and can significantly reduce the resistivity at room tem... | 02/22/2011 |
| 7781360 | Dielectric porcelain composition and electronic component The present invention provides a dielectric porcelain composition comprising 100 parts by weight of a barium titanate-based dielectric material and 4 to 10 parts by weight in total of Bi2O3 and at least one compound selected from the group of c... | 08/24/2010 |
| 7759269 | Dielectric ceramic composition and electronic device A dielectric ceramic composition of the invention comprises: BaTiO3 as a main component, MgO: 0.50 to 3.0 moles, MnO: 0.05 to 0.5 moles, oxide (RE12O3) of element selected from Sm, Eu, and Gd, oxide (RE22 | 07/20/2010 |
| 7727922 | X8R dielectric composition for use with nickel electrodes Multilayer ceramic chip capacitors which satisfy X8R requirements and which are compatible with reducing atmosphere sintering conditions so that non-noble metals such as nickel and nickel alloys thereof may be used for internal and external electrodes are made in ac... | 06/01/2010 |
| 7638451 | Dielectric ceramic, method of producing the same, and monolithic ceramic capacitor A dielectric ceramic contains a barium titanate compound oxide as a main component; at least one rare earth element R selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; Mg; and Ni, such that a crystalline compound oxide containing the rare ... | 12/29/2009 |
| 7605104 | Glass composition for low temperature sintering, dielectric composition and multilayer ceramic capacitor using the same The invention relates to a glass composition and a glass frit adequate for low temperature sintering agent at 1,100° C. or less, and a dielectric composition and a multilayer ceramic capacitor using the same. The glass composition comprises aLi2O-bK... | 10/20/2009 |
| 7541306 | X8R dielectric composition for use with nickel electrodes Multilayer ceramic chip capacitors which satisfy X8R requirements and which are compatible with reducing atmosphere sintering conditions so that non-noble metals such as nickel and nickel alloys thereof may be used for internal and external electrodes are made in ac... | 06/02/2009 |
| 7521390 | Ultra low temperature fixed X7R and BX dielectric ceramic composition and method of making 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 dissi... | 04/21/2009 |
| 7517823 | Dielectric porcelain composition and method for production thereof A dielectric porcelain composition here contains as main components BaO, Nd2O3, TiO2, MgO and SiO2 at the given ratios and as subordinate components ZnO, B2O3 and CuO at given ratios, so that it can h... | 04/14/2009 |
| 7501371 | Dielectric ceramic, method for manufacturing dielectric ceramic, and monolithic ceramic capacitor 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 satisf... | 03/10/2009 |
| 7419927 | Ceramic electronic device and the production method A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Bam TiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.... | 09/02/2008 |
| 7396791 | Electronic device, dielectric ceramic composition and the production method 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 subcom... | 07/08/2008 |
| 7396790 | Translucent ceramic, method for manufacturing the same, optical component, and optical device A translucent ceramic having a high light transmittance is provided. It contains a perovskite compound having a composition represented by a general formula: (Ba1-s-tSrsCat)(MxB1yB2z)vO | 07/08/2008 |
| 7381672 | Dielectric ceramic material and multilayer ceramic capacitor 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-x... | 06/03/2008 |
| 7369828 | Electronically tunable quad-band antennas for handset applications An electronically tunable quad-band antenna which includes a tunable high band antenna tuned by at least one tunable varactor associated therewith; the tunable high band antenna further includes a substrate, a patch element on said substrate, at least one voltage tu... | 05/06/2008 |
| 7365958 | Dielectric ceramics, multilayer ceramic capacitor and method for manufacturing the same Crystal grains mainly composed of barium titanate have a mean grain size of not more than 0.2 μm. 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 m... | 04/29/2008 |
| 7362039 | Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatus Disclosed are a piezoelectric element, which has a high withstand voltage and a longer durability life, a manufacturing method of the piezoelectric element, a liquid-jet head, a manufacturing method of the liquid-jet head, and a liquid-jet apparatus. The manufacturi... | 04/22/2008 |
| 7358208 | Dielectric ceramic composition and electronic device 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... | 04/15/2008 |
| 7351676 | Dielectric porcelain composition, multilayer ceramic capacitor, and electronic component 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/o... | 04/01/2008 |
| 7336476 | Dielectric ceramic composition for low temperature sintering and multilayer ceramic capacitor using the same 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 compositio... | 02/26/2008 |
| 7326858 | Printed circuit board with embedded capacitors and manufacturing method thereof Disclosed is a printed circuit board which is advantageous in terms of high capacitance by embedding capacitors comprising polymer capacitor pastes with high-dielectric constant coated on an inner layer of the printed circuit board and then semi-dried to a state of ... | 02/05/2008 |
| 7323428 | Ceramic electronic device and production method thereof A highly reliable ceramic electronic device having an excellent temperature characteristic of a capacitance and a low IR temperature dependency, comprising a dielectric layer: wherein the dielectric layer includes a main component expressed by a composition formula ... | 01/29/2008 |
| 7314842 | Substituted barium titanate and barium strontium titanate ferroelectric compositions This invention provides the three novel La,Fe, La,Cr and Sm,Fe substituted barium titanate solid solution ferroelectric compositions with the formula Ba1-xLnxTi1-xMxO3 wherein when Ln is La, M is Fe or Cr, when ... | 01/01/2008 |
| 7304830 | Laminated ceramic capacitor 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 th... | 12/04/2007 |
| 7297650 | Method for producing low-loss tunable ceramic composites with improved breakdown strengths The production of low-loss, tunable composite ceramic materials with improved breakdown strengths is disclosed. The composite materials comprise ferroelectric perovskites such as barium strontium titanate or other ferroelectric perovskites combined with other phases... | 11/20/2007 |
| 7294598 | Dielectric oxide materials A material made of a dielectric oxide of type Ca0.25Cu0.75TiO3 having a dielectric constant greater than 3,000. ... | 11/13/2007 |
| 7294597 | Translucent ceramics, process for producing the same, optical part and optical apparatus A translucent ceramic principally contains a composition represented by the formula Ba{Tix1Mx2(Mg1-tZnt)y(Ta1-uNbu)z}vOw, wherein M is at least one selected... | 11/13/2007 |
| 7295638 | Communication device A direct sequence spread spectrum (DSSS) receiver (100) consistent with certain embodiments has a frequency generator (112) that generates a local oscillator signal without use of a piezoelectric crystal. A frequency converter (108) receives the... | 11/13/2007 |
| 7276130 | Production method of multilayer ceramic electronic device A method of producing a multilayer ceramic electronic device, having a firing step for firing a pre-firing element body wherein a plurality of dielectric layers and internal electrode layers containing a base metal are alternately arranged, characterized in that the... | 10/02/2007 |
| 7273825 | Dielectric ceramic and monolithic ceramic capacitor The dielectric ceramic has a composition represented by general formula 100(Ba1-x-ySrxCay)m(Ti1-zZrz)O3+aBaO+bR2O3+cMgO+dMnO+eCuO+fV2O5+gXu | 09/25/2007 |
| 7271115 | Dielectric ceramic composition and monolithic ceramic capacitor 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 ... | 09/18/2007 |
| 7268643 | Apparatus, system and method capable of radio frequency switching using tunable dielectric capacitors An embodiment of the present invention provides an apparatus, comprising a radio frequency switch capable of using tunable dielectric capacitors as the switching element. The apparatus may further comprise a cross connector connecting a plurality of ports and wherei... | 09/11/2007 |
| 7265072 | Dielectric ceramic composition and electronic device 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 mol... | 09/04/2007 |
| 7262146 | Dielectric ceramic composition and electronic device 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 incl... | 08/28/2007 |
| 7259501 | Piezoelectric oscillator and electronic device A piezoelectric oscillator includes: a package having a package base, a bottom surface, a conductive cap that seals airtightly an interior space of the package base, and a terminal to perform at least one of inputting a signal from outside of the package and outputt... | 08/21/2007 |
| 7253122 | Systems and methods for forming metal oxides using metal diketonates and/or ketoimines A method of forming (and an apparatus for forming) a metal oxide layer on a substrate, particularly a semiconductor substrate or substrate assembly, using a vapor deposition process and one or more precursor compounds that include diketonate ligands and/or ketoimine... | 08/07/2007 |
| 7247590 | Composite dielectric, composite dielectric sheet, composite dielectric paste, metal-layered composite dielectric, wiring board and multilayer wiring board The composite dielectric of the present invention contains an aromatic liquid crystal polyester and a dielectric ceramic powder arranged in the aromatic liquid crystal polyester, wherein the dielectric ceramic powder exhibits a Q value greater than 650 at a frequenc... | 07/24/2007 |
| 7241712 | Low-temperature sintered barium titanate microwave dielectric ceramic material The present invention relates to a low-temperature sintered barium titanate microwave dielectric ceramic material. The host matrix thereof can be represented by BaxTiyMzOx+2y+k, where x is 1˜6, y is 1˜17, z is 0˜1, k is... | 07/10/2007 |
