C04B2235/95

MOLYBDENUM OXYCHLORIDE WITH IMPROVED BULK DENSITY

Molybdenum oxychloride consolidated masses, comprising molybdenum oxychloride and less than 10 wt % binder. The consolidated masses have a bulk density greater than 0.85 g/cc.

Piezoelectric thin film, piezoelectric thin film device, piezoelectric actuator, piezoelectric sensor, piezoelectric transducer, hard disk drive, printer head, and ink jet printer device
11532781 · 2022-12-20 · ·

A piezoelectric thin film 3 contains a metal oxide, the metal oxide contains bismuth, potassium, titanium, iron and element M, the element M is at least one of magnesium and nickel, at least a part of the metal oxide is a crystal having a perovskite structure, and a (001) plane, a (110) plane or a (111) plane of the crystal is oriented in a normal direction dn of the surface of the piezoelectric thin film 3.

METHOD FOR PRODUCING LITHIUM TRANSITION METAL COMPOSITE OXIDE

A method for producing a lithium-transition metal composite oxide includes steps of preparing a first mixture including a lithium-containing compound and a transition metal compound, obtaining a compressed body by compressing the first mixture at least once, obtaining a molded body by molding at least the compressed body, and obtaining a sintered body by sintering the molded body.

PLASMA RESISTANT YTTRIUM ALUMINUM OXIDE BODY

Disclosed herein is a sintered ceramic body comprising from 90% to 99.9% by volume of polycrystalline yttrium aluminum garnet (YAG) as measured using XRD and image processing methods and a volumetric porosity of from 0.1 to 4% as calculated from density measurements performed in accordance with ASTM B962-17. The sintered ceramic body may have a total purity of 99.99% and greater and a grain size of from 0.3 to 8 μm. A method of making the sintered ceramic body is also disclosed.

DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC ELECTRONIC DEVICE
20220380257 · 2022-12-01 · ·

A dielectric composition includes dielectric particles, grain boundary phases, and segregations. The dielectric particles each include a perovskite compound represented by ABO.sub.3 as a main component. The grain boundary phases are located between the dielectric particles. The segregations exist in a part of the grain boundary phases and include at least Al, Si, and O. A molar ratio (Al/(Al+Si)) of an Al content to a total content of Al and Si in the segregations is 0.45 or more and 0.75 or less.

Proppant particles formed from slurry droplets and methods of use

Proppant particles formed from slurry droplets and methods of use are disclosed herein. The proppant particles can include a sintered ceramic material and can have a size of about 80 mesh to about 10 mesh and an average largest pore size of less than about 20 microns. The methods of use can include injecting a hydraulic fluid into a subterranean formation at a rate and pressure sufficient to open a fracture therein and injecting a fluid containing a proppant particle into the fracture, the proppant particle including a sintered ceramic material, a size of about 80 mesh to about 10 mesh, and an average largest pore size of less than about 20 microns.

Silicon nitride substrate and silicon nitride circuit board

In a silicon nitride substrate including a silicon nitride sintered body including silicon nitride crystal grains and a grain boundary phase, a plate thickness of the silicon nitride substrate is 0.4 mm or les, and a percentage of a number of the silicon nitride crystal grains including dislocation defect portions inside the silicon nitride crystal grains in a 50 μm×50 μm observation region of any cross section or surface of the silicon nitride sintered body is not less than 0% and not more than 20%. Etching resistance can be increased when forming the circuit board.

POLYIMIDE FILM FOR GRAPHITE SHEET, AND GRAPHITE SHEET MANUFACTURED THEREFROM
20220372224 · 2022-11-24 ·

Disclosed herein are a polyimide film for graphite sheets and a graphite sheet manufactured using the same. The polyimide film is fabricated by imidizing a precursor composition including: a polyamic acid prepared by reacting a dianhydride monomer with a diamine monomer; and an organic solvent, wherein the diamine monomer includes about 30 mol % to about 70 mol % of 4,4′-methylenedianiline and about 30 mol % to about 70 mol % of 4,4′-oxydianiline based on the total number of moles of the diamine monomer, 4,4′-methylenedianiline and 4,4′-oxydianiline being present in total in an amount of about 85 mol % or more based on the total number of moles of the diamine monomer.

Carbon-coated Nickel-aluminum Nanocomposite, Preparation Method Therefor and Application Thereof

A nanocomposite has a core-shell structure with an outer shell and an inner core. The, outer shell is a graphitized carbon film, and the inner core contains nickel oxide and alumina, with a nickel oxide content of 59%-80%, an alumina content of 19%-40%, and a carbon content of not more than 1%, based on the total weight of the nanocomposite. The process for catalytic combustion of volatile organic compounds may utilize the nanocomposite as a catalyst.

Process for 3D printing

The present invention relates to a suspension comprising 50-95% by weight of the total suspension (w/w) of at least one metallic material and/or ceramic material and/or polymeric material and/or solid carbon containing material; and at least 5% by weight of the total suspension of one or more fatty acids or derivatives thereof. In addition, the invention relates to uses of such suspension in 3D printing processes.