E.i. Dupont De Nemours and Company

Kemet Electronics Corporation

Other

North Carolina State University

Cda Processing Limited Liability Company

Ian Burn Consulting, Inc.

Ian Burn

Salvatore A Bruno

William J Borland

Michael Randall

Seigi Suh

Abhijit Gurav

Azizuddin Tajuddin

Daniel E Barber

Pascal I Pinceloup

James J Beeson

Jon Fredrick Ihlefeld

Corey Antoniades

Xilin Xu

Thomas Poole

Horacio E Bergna

Jon Paul Maria

Alan D Devoe

Jon-Paul Maria

Fatih Dogan

Lorri P Drozdyk

A multilayer ceramic capacitor, having a plurality of electrode layers and a plurality of substantially titanium dioxide dielectric layers, wherein each respective titanium dioxide dielectric layer is substantially free of porosity, wherein each respective substantially titanium dioxide dielectric layer is positioned between two respective electrode layers, wherein each respective substantially titanium dioxide dielectric layer has an average grain size of between about 200 and about 400 nanometers, wherein each respective substantially titanium dioxide dielectric layer has maximum particle size of less than about 500 nanometers. Typically, each respective substantially titanium dioxide dielectric layer further includes at least one dopant selected from the group including P, V, Nb, Ta, Mo, W, and combinations thereof, and the included dopant is typically present in amounts of less than about 0.01 atomic percent.

Nanostructured dielectric materials for high energy density multilayer ceramic capacitors

A method of making dense dielectrics layers via chemical solution deposition by adding inorganic glass fluxed material to high dielectric constant compositions, depositing the resultant mixture onto a substrate and annealing the substrate at temperatures between the softening point of the inorganic glass flux and the melting point of the substrate. A method of making a capacitor comprising a dense dielectric layer.

Glass flux assisted sintering of chemical solution deposited thin dielectric films

A batch powder composition for preparing a non-ferroelectric, sintered dielectric ceramic; a multilayer ceramic capacitor thereof; and an energy storage device. The batch powder contains a titanate powder of at least one of CaTiO, SrTiO, or CaSrTiOwhere x=0 to 1, and an acceptor additive. A sintering aid and a donor additive also may be present in the batch powder. The batch powder may be sintered at temperatures of about 1050&#xb0; C. or less. The ceramic contains a titanate from the titanate powder, the acceptor additive, and the optional sintering aids and donor additive. The multilayer ceramic capacitor is made of the sintered dielectric ceramic and may have electrodes of copper or a copper-nickel alloy. An energy storage device has electrical connections connected to the electrodes of the multilayer ceramic capacitor. The electrical connections may be in electrical communication with additional multilayer ceramic capacitors.

Sintered dielectric ceramic, composition for making, and use thereof in multilayer capacitor and energy storage device

A dielectric ceramic composition in a multilayer ceramic capacitor with a composition of formula:{[(CaO)(SrO)][(ZrO)(TiO)]}AE

C0G multi-layered ceramic capacitor

Described herein are methods for making articles comprising a dielectric layer formed from any solution composition that can form barium titanate during firing and containing manganese in an amount between 0.002 and 0.05 atom percent of the solution composition, wherein the dielectric layer has been formed on metal foil and fired in a reducing atmosphere.

Methods of making thin film capacitors comprising a manganese doped barium titantate dielectric

The present invention is directed to an article comprising a dielectric layer formed from any solution composition that can form barium titanate during firing and containing manganese in an amount between 0.002 and 0.05 atom percent of the solution composition, wherein the dielectric layer has been formed on metal foil and fired in a reducing atmosphere.

Articles comprising manganese doped barium titanate thin film compositions

A composition for forming a densified ceramic dielectric body, the composition consisting essentially of (a) about 96.0-98.0 wt. % barium titanate having an average particle size of 0.5-1.25 microns; (b) 0.3-1.2 wt. % niobium oxide or precursor thereof; (c) 0.4-1.2 wt. % zinc oxide or precursor thereof; (d) 0.1-1.2 wt. % neodymium oxide or precursor thereof; (e) 0.15-0.75 wt. % boron oxide or precursor thereof; and (f)0-0.1 wt. % manganese oxide or precursor thereof. This composition can be used to form the dielectric layers in multilayer electrical devices such as circuits and capacitors.

Low-fire X7R compositions

A composition consisting essentially of 60.0-70.0 mol % TiO.sub.2, 14.3-20.0 mol % Nd.sub.2 O.sub.3, 11.0-16.7 mol % BaO, 1.0-8.0 mol % ZrO.sub.2 and 0.05-0.30 mol % CeO.sub.2. This composition is useful for forming densified ceramic dielectric bodies having a dielectric constant of at least 65 and which meet COG specifications, and multilayer capacitors that contain such dielectric bodies.

Cog dielectric with high K

A composition comprising finely divided particles of modified barium titanate; and an admixture of calcium, titanium and manganese; the modified barium titanate particles containing Zr, Zn and Nb homogeneously distributed on an atomic scale throughout the particles according to the formula:

High K dielectric compositions with fine grain size

COG dielectric with high K

A low firing dielectric composition containing an admixture of finely divided particles of manganese doped-lead iron-tungsten niobate, barium titanate and optionally an inorganic sintering aid, dispersed in an organic medium. This composition is useful for forming capacitors.

Low-firing capacitors dielectrics

An improved ceramic dielectric composition comprising a chemically homogeneous distribution of a mixture of additives on the surface of particles of ceramic powder, and to a method for enhancing the dielectric properties and sinterability of such compositions at low firing temperatures.

Ceramic dielectric composition and method for preparation

An improved ceramic dielectric composition for preparing multilayer ceramic structures for electronic devices and a method of enhancing the sinterability of such compositions at low firing temperatures by improving the distribution of zinc borate based sintering flux uniformly throughout the composition.

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Hockessin, DE, United States of America

Ian Burn