C04B2235/6025

Ferrite sintered plate and ferrite sintered sheet
09824802 · 2017-11-21 · ·

The present invention relates to an Ni—Zn—Cu—Co ferrite sintered plate having a composition comprising 45 to 50 mol % of Fe.sub.2O.sub.3, 10 to 25 mol % of NiO, 15 to 36 mol % of ZnO, 2 to 14 mol % of CuO and 0.1 to 3.5 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, and a ferrite sintered sheet that is provided on a surface thereof with a groove and further with an adhesive layer and/or a protective layer. The ferrite sintered sheet is capable of exhibiting an increased μ′ value of a magnetic permeability while maintaining a small μ″ value of the magnetic permeability.

LITHIUM-GARNET SOLID ELECTROLYTE COMPOSITE, TAPE ARTICLES, AND METHODS THEREOF

A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.

Ceramic raw material powder, multilayer ceramic capacitor and manufacturing method of multilayer ceramic capacitor

Ceramic raw material powder includes: a main phase having a perovskite structure, wherein elements acting as a donor and an acceptor are solid-solved in B sites of the perovskite structure, wherein a relationship of (concentration of the element acting as a donor)×(valence of the element acting as a donor−4)<(concentration of the element acting as an acceptor)×(4−valence of the element acting as an acceptor) is satisfied, in a center region of each grain of the ceramic raw material powder, wherein a relationship of (concentration of the element acting as a donor)×(valence of the element acting as a donor−4)>(concentration of the element acting as an acceptor)×(4−valence of the element acting as an acceptor) is satisfied, in a circumference region of each grain of the ceramic raw material powder.

HIGH STRENGTH CERAMICS WITH NOVEL FRACTURE MODE

The present invention provides a method for making a high strength, small grain size ceramic having a trans-granular fracture mode by rapid densification of a green body and subsequent cooling of the densified ceramic. The ceramic may include dislocations, defects, dopants, and/or secondary phases that are formed as a result of the process and resulting in stress fields capable of redirecting or arresting cracks within the material. This ceramic can maintain transparency from ultraviolet to mid-wave infrared.

Ceramic green sheet, method for manufacturing multilayer ceramic capacitor, and multilayer ceramic capacitor
09799450 · 2017-10-24 · ·

A ceramic green sheet where the proportion of a Si-containing constituent coating the surface of barium titanate-based ceramic particles is 95% or higher, and the proportion of a rare-earth element-containing constituent coating the surface of the barium titanate-based ceramic particle is 85% or higher.

Systems and methods for enabling communication between USB type-C connections and legacy connections over an extension medium

Techniques for supporting USB and video communication over an extension medium are provided. In some embodiments, an upstream facing port device (UFP device) is coupled to legacy connectors of a host device, and a downstream facing port device (DFP device) is coupled to a USB Type-C receptacle of the sink device that may provide both USB and DisplayPort information. The UFP device and DFP device communicate to properly configure the USB Type-C connection for use in the extension environment. In some embodiments, a source device is coupled to the UFP device via a USB Type-C connection, and legacy video and USB devices are coupled to the DFP device. The UFP device and DFP device again communicate to cause the source device to properly configure the USB Type-C connection for use in the extension environment.

Process of manufacturing a conversion element, conversion element and light emitting device comprising the conversion element

A method of manufacturing a conversion element is disclosed. A precursor material is selected from one or more of lutetium, aluminum and a rare-earth element. The precursor material is mixed with a binder and a solvent to obtain a slurry. A green body is formed from the slurry and the green body is sintered to obtain the conversion element. The sintering is performed at a temperature of more than 1720° C.

Dielectric ceramic composition and multilayer ceramic capacitor including the same

There is provided a dielectric ceramic composition including a base powder, wherein the base powder includes: a first major component represented by BaTiO.sub.3, a second major component represented by (Na, K)NbO.sub.3, and a third major component represented by (Bi, Na)TiO.sub.3. The base powder is represented by xBaTiO.sub.3-y(Na, K)NbO.sub.3-z(Bi, Na)TiO.sub.3, where x+y+z=1, and x, y, and z are represented by mol, and x, y and z satisfy 0.5≦x≦0.97, 0.01≦y≦0.48, and 0.02≦z≦0.2, respectively. In certain embodiments, the base powder is be represented by xBaTiO.sub.3-y(Na.sub.0.5K.sub.0.5)NbO.sub.3-z(Bi.sub.0.5Na.sub.0.5)TiO.sub.3.

Ceramic electronic component and method of manufacturing the same
11670457 · 2023-06-06 · ·

A ceramic electronic component includes a multilayer chip including a multilayer structure, which includes ceramic dielectric layers and internal electrode layers that are alternately stacked, and cover layers respectively disposed on top and bottom faces of the multilayer structure in a first direction in which the dielectric layers and the internal electrode layers are alternately stacked, wherein each of the cover layers includes a relatively high porous section and a first relatively less porous section having a pore ratio less than a pore ratio of the relatively high porous section, the relatively high porous section laterally spreading and spanning an entire length of the cover layer in a second direction orthogonal to the first direction, the pore ratio of the relatively high porous section being 1% or greater, the first relatively less porous section being interposed between the relatively high porous section and the multilayer structure.

PIEZOELECTRIC ELEMENT

A piezoelectric element includes a piezoelectric body having a main phase configured by lead zirconate titanate and a heterogenous phase configured by a different component to lead zirconate titanate, and a pair of electrodes provided on the piezoelectric body. The piezoelectric body has a surface region within 10 μm of a surface, and an inner region more than 10 μm from the surface. A surface area coverage of the heterogenous phase in a cross section of the surface region is at least 0.75% greater than a surface area coverage of the heterogenous phase in a cross section of the inner region.