earth (Total 43876 Patents Found)

Earth (43876 Patents Found)
Mixtures of a rare earth and an intermetallic compound comprising the rare earth and a ferromagnetic metal selected from the group consisting of iron and cobalt which are formed by the reduction-diffusion process are decalcified by reacting the product of the reduction-diffusion reaction with neodecanoic acid and disso...
A method and device is disclosed permitting accurate, reproducible assay of alkali metal and alkaline earth metal contents of molten aluminum over an extended period of use. The sensor of the present invention uses as a reference electrode a calibrated quantity of a sodium-gallium or sodium-indium alloy in the form of ...
A R-Fe-B or R-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity, having powder particles. The powder particles each consist essentially of, in atomic percentage: R: 10-20% B: 3-20%; at least one element selected from the group consisting of Ti, V, Nb, Ta, Al, a...
A hydraulic system which is monitored to control the application of fluid power in response to the temperature of the hydraulic fluid and a temperature responsive valve for use in the hydraulic fluid circuit to monitor the temperature of the fluid to control the application of fluid power to components of the system....
The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type magnetic materials made from a rapid solidification p...
A SYNATHETICALLY PREPARED BODY OF MOLDED HIGH TEMPERATURE THERMAL INSULATION MATERIAL COMPOSED ESENTIALLY OF A MATRIX OF CHEMICALLY COMBINED ALKALINE EARTH METAL SILICATE INTERSPERSED WIT COTTON FIBERS (ENACIOUSLY ANCHORED INTO THE MATRIX AND PROVIDING REINFORCEMENT AND INCREASED STRUCTURAL AND INTEGRITY TO THE INSULAT...
Methods are provided for beneficially reusing a paint-saturated filter aid, such as paint-saturated alkaline earth metal carbonates, as a substitute in applications requiring virgin alkaline earth metal carbonates. The paint-saturated filter aid is prepared by re-milling paint-saturated filter aid to a predetermined si...
Disclosed are thermal and/or plasma-enhanced CVD, ALD, and/or pulse CVD processes to deposit alkaline earth metal fluoride-based films, such as MgF 2 , at temperatures ranging from about 25° C. to about 300° C., preferably from about 50° C. to about 250° C., and more preferably from about 100° C. to about 200° C....
Earth-boring drill bits comprise a bit body having a plurality of radially extending blades and a plurality of cutting elements attached to the plurality of radially extending blades. Only gouging cutting elements are attached to at least one blade of the plurality of radially extending blades. Only shearing cutting el...
A zero-phase current is outputted by detecting a ground-fault current with a zero-phase-sequence current transformer. A circuit having an open collector output operates when the voltage of the zero-phase current exceeds a positive side threshold value or it falls below a negative side threshold value to discharge a cap...
The invention relates to a Nd-doped (and/or Yb-doped and/or Er-doped) phosphate laser glass having a peak emission wavelength that is shorter than 1054 nm. Cerium oxide (CeO 2 ) is incorporated into a phosphate glass host system, preferably in replacement of lanthanum oxide, to shift the peak emission wavelength to a w...
Disclosed is a method for producing a crystal sensor. The method includes selecting a crystal configured to sense a property of interest. The method further includes implanting ions in the crystal using ion-implantation to produce a conductive region within the crystal where the conductive region is capable of providin...
The present invention provides an organic electronic device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises an organic metal complex of formula and a compound of ...
Methods and systems for femtocell positioning using low Earth orbit (LEO) satellite signals may comprise receiving LEO RF satellite signals utilizing a LEO satellite signal receiver path when medium Earth orbit (MEO) signals are attenuated below a threshold needed for positioning purposes by the MEO receiver path. A po...
A method for electromagnetic geophysical surveying according to one aspect of the invention includes disposing a plurality of electromagnetic receivers in a selected pattern above an area of the Earth's subsurface to be evaluated. An electromagnetic source is repeatedly actuated proximate the electromagnetic receiv...
A system and method for position determination using low earth orbit satellites. A mobile terminal affixed to an asset initiates a collection of global positioning system satellite measurements (e.g., code phase) based on a hardware trigger generated by a low earth orbit satellite modem. Timing information reflective o...
Gaseous effluents containing oxygen and no greater than 2% by volume of sulfur dioxide, SO 2 , for example those emanating from facilities for the industrial-scale production of sulfuric acid, are converted into useful solutions of ammonium or of alkali or alkaline earth metal bisulfites, by first absorbing such gaseou...
A method of forming a thin silicide layer on a silicon substrate 12 including heating the surface of the substrate to a temperature of approximately 500° C. to 750° C. and directing an atomic beam of silicon 18 and an atomic beam of an alkaline-earth metal 20 at the heated surface of the substrate in a molecular beam...
An earth-boring bit has a bit body and at least one bearing shaft depending inwardly and downwardly from the bit body. The bearing shaft has a base where it joins the bit body. At least one cutter is mounted for rotation on the bearing shaft and has radial and axial surfaces that cooperate with the base of the bearing ...
A rare earth iron permanent magnet including at least one rare earth element, iron and boron as primary ingredients. The magnet can have an average grain diameter of less than or equal to about 150 μm and a carbon content of less than or equal to about 400 ppm and a oxygen content of less than or equal to about 1000 p...
Methods of fabricating polycrystalline diamond include functionalizing surfaces of carbon-free nanoparticles with one or more functional groups, combining the functionalized nanoparticles with diamond nanoparticles and diamond grit to form a particle mixture, and subjecting the particle mixture to high pressure and hig...
An improved fine grained zinc sulfide phosphor is provided for use in ac electroluminescent displays. The fine-grained zinc sulfide phosphor film exhibits improved luminance and may be used in conjunction with a structure or substance to minimize or prevent reaction of the fine grained phosphor with oxygen. The inventi...
The disclosed invention is a drag area inflatable parachute for decelerating an object entering the earth atmosphere from the outer space. This parachute comprises an inflatable canopy, suspension lines, and a means to inflate the canopy by releasing gas or air between the canopy inner and outer layers. The canopy is i...