Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.

Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.

Abstract: Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.

Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.

Abstract: Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.

Abstract: An apparatus for continuously flowing drilling fluid along a drill string includes a continuous circulation device having at least a first fluid path in fluid communication with a top drive and a second fluid path in communication with a diverter. The diverter is in selective fluid communication with a pipe stand associated with the drills string. The apparatus also includes at least one sensor that estimates at least one operating parameter associated with the continuous circulation device. A related method includes using a continuous circulation device as described to manipulate the drill string and controlling the continuous circulation device using at least one sensor configured to estimate at least one operating parameter associated with the continuous circulation device.

Abstract: An apparatus for continuously flowing drilling fluid along a drill string includes a continuous circulation device having at least a first fluid path in fluid communication with a top drive and a second fluid path in communication with a diverter. The diverter is in selective fluid communication with a pipe stand associated with the drills string. The apparatus also includes at least one sensor that estimates at least one operating parameter associated with the continuous circulation device. A related method includes using a continuous circulation device as described to manipulate the drill string and controlling the continuous circulation device using at least one sensor configured to estimate at least one operating parameter associated with the continuous circulation device.

Abstract: Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, a variety of second dopants (co-dopants), and a variety of third dopants (co-dopants). Co-dopants of this invention are capable of providing a second auxiliary luminescent cation dopant, capable of introducing an anion size and electronegativity mismatch, capable of introducing a mismatch of anion charge, or introducing a mismatch of cation charge in the host material.

Abstract: Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, a variety of second dopants (co-dopants), and a variety of third dopants (co-dopants). Co-dopants of this invention are capable of providing a second auxiliary luminescent cation dopant, capable of introducing an anion size and electronegativity mismatch, capable of introducing a mismatch of anion charge, or introducing a mismatch of cation charge in the host material.

Abstract: Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.

Abstract: Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, a variety of second dopants (co-dopants), and a variety of third dopants (co-dopants). Co-dopants of this invention are capable of providing a second auxiliary luminescent cation dopant, capable of introducing an anion size and electronegativity mismatch, capable of introducing a mismatch of anion charge, or introducing a mismatch of cation charge in the host material.

Abstract: Scintillation materials having an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants).

Abstract: Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, a variety of second dopants (co-dopants), and a variety of third dopants (co-dopants). Co-dopants of this invention are capable of providing a second auxiliary luminescent cation dopant, capable of introducing an anion size and electronegativity mismatch, capable of introducing a mismatch of anion charge, or introducing a mismatch of cation charge in the host material.

Abstract: This invention encompasses the oxides of lutetium and silicon in various proportions and containing a dopant, optionally cerium, fabricated in the form of a translucent ceramic, and methods of manufacture and use of such ceramic.

Abstract: An inductively coupled RF plasma generator and method. The plasma generator includes a body having a conduit having a gas inlet and an outlet. Induction structure surrounding the conduit inductively excites the gas, generating a plasma which leaves the conduit outlet as a tail flame. An electrically insulating chimney is positioned at the outlet so that the chimney surrounds the tail flame and no electrical path to ground exists between the outlet and the chimney means. A grounded electrode is positioned downstream of the plasma and sufficiently near the outlet to provide an electrical path to ground from the tail flame shorter than other available paths to ground. The method for generating a plasma utilizing the inductively coupled RF plasma generator involves inductively exciting the gas to generate a plasma which leaves the outlet as a tail flame. The tail flame is surrounded by a chimney so that no path to ground exists between the outlet and the chimney.

Abstract: An erosion resistant electrical contact material and a method of making the material is described. The material comprises from about 10 to about 20 volume percent of SnO.sub.2, from about 0.45 to about 1.2 volume percent of an oxide selected from the group consisting of TiO.sub.2, CeO.sub.2, ZrO.sub.2, HfO.sub.2, and combinations thereof and the balance being substantially silver.

Abstract: A material for electrical contact use has the following composition: 6 to 18 percent tin oxide, 0.25 to 1% germanium oxide, 0.2 to 2% indium oxide, balance silver, all percentages by weight. The material exhibits superior erosion characterstics.

Abstract: To accelerate printing of resist materials on a CRT color panel, an additive is incorporated into the resist to enhance cross-linking upon exposure to actinic radiation.

Abstract: Improved fluorescent lamps utilize phosphors which comprise a major amount of a particulate phosphor such as a cool white alkaline earth halophosphate coated with a minor amount of a protective coating consisting of NaCs.sub.2 PrCl.sub.6.

Abstract: A white light source is described in which a trivalent metallic ultraphosphate is irradiated with a low voltage electron beam. The metallic ions are generally restricted to the lanthanide rare earth ions and yttrium. The material so irradiated emits light in a spectral continuum centered in the visible portion of the electro-magnetic spectrum. This emission is, however, in addition to any narrow bandwidth light emission of the type generally associated with a transition of the metallic ion involving the electrons of the 4f shell.