ion (Total 90360 Patents Found)

Ion (90360 Patents Found)
The ion exchange resin beads have functional groups of formula I wherein R 1 , R 2 , R 3 , R 4 , m, r and q have the meanings stated in claim 1 and which have a matrix of a cross-linked polymer wherein the level of cross-linkages is decreased in the shell area is compared to the core area. These ion exchange resi...
A process for reducing the volume of spent radioactive ion exchange resins which have been used for conditioning water circulated through a nuclear reactor. The spent resins are discharged from the reactor system as radioactive wastes to a spent resin storage tank in the form of a slurry. The slurry is first vacuum dew...
A method for carrying out nitrogen analysis by ionization mobility spectroscopy at concentrations of few parts per billion (ppb) in argon is described. The method involves the addition of hydrogen in concentration of at least 5 ppb and lower than 100 parts per million (ppm) to the argon to be analyzed; the hydrogen add...
The use of chelating type cation exchange resins, particularly those with iminodiacetic acid functionality, to remove dissolved multivalent cations such as iron, zinc, and chromium from used autodeposition compositions permits reuse of the autodeposition compositions without the need for added surfactant and without de...
The invention relates to an ion implantation method for adjusting the threshold voltage of MOS transistors. The MOS transistor is employed in a DRAM (dynamic random access memory) memory cell in a semiconductor wafer and comprises a substrate, a gate insulating layer positioned on the substrate, and a gate conducting l...
The extraction electrode consists of a metallic screen provided with an opening and placed within a vacuum chamber in front of an ion source, the screen being brought to a negative potential with respect to the source. Displacement of the electrode is controlled from the exterior of the chamber by two mechanical system...
Phosphates and chromates are selectively removed from contaminated water by a new class of sorbent, referred to as a Polymeric Ligand Exchanger (PLE). The exchanger bed comprising a styrene-divinylbenzene or polymethacrylate matrix having an electrically neutral chelating functional group with nitrogen or oxygen donor ...
The present invention relates to a method for the determination of polyvalent metal ions using a sandwich aggregation assay. One or more chelating agents capable of forming at least 2:1 or higher ratio stoichiometry complexes with polyvalent metal ions are attached to a suitable carrier such as latex particles through ...
A self-aligning process for fabrication of integrated circuits utilizing ion implantation to effect doping. A composed masking technique is used to define self-aligned areas in a silicon oxide layer for definition of isolation, base, resistor and collector contact regions. Only two oxide removal steps are required for ...
Petunia explants are irradiated with heavy-ion beams, and the chimeric individuals differentiated from the explants are selected (FSRP method). Then, explants are obtained from the chimeric individuals and subjected to tissue culture, followed by selection of re-differentiated chimeric individuals with stable character...
Methods are disclosed which separate and identify lipoproteins in biological samples. An ultracentrifuge density gradient is used to separate lipoprotein fractions. The fractions are visualized, resulting in a lipoprotein profile. The fractions can be further analyzed by a wide array of laboratory and clinical methods....
The ion implanting apparatus according to this invention includes: an ion source for producing the ion beam 20 including desired ion species and being shaped in a sheet with a width longer than a narrow width of a substrate 82, a mass separating magnet 36 for selectively deriving the desired ion species by bendin...
A method to form a taper in a semiconductor layer. In one embodiment, the semiconductor layer is formed on a cladding layer. A mask layer is formed on the semiconductor layer. The mask layer is patterned and etched to form at least an angled region and a thick region. An ion implantation process is performed so that th...
An ion gel including an ionic liquid and a block copolymer. The block copolymer includes at least three blocks, and the block copolymer forms a self-assembled ion gel in the ionic liquid. Also, thin film transistors including an ion gel insulator layer, capacitors including an ion gel insulator layer, integrated circui...
The invention relates to an electrochemical cell for a lithium-ion battery comprising: a negative electrode comprising as an active material silicon; a positive electrode; and an electrolyte positioned between said negative electrode and said positive electrode, said electrolyte comprising at least one lithi...
Described herein is an electrochemical device including a cathode containing an electroactive material including LO 2 or L 2 O 2 , wherein each L is independently selected from Li, Na, K, Be, Mg, Ca, and Al; the electroactive material is carbon-coated, metal-coated, metal oxide-coated, nano-sized, or doped; and the el...
An ion exchange membrane for a redox flow battery, the anion exchange membrane including a porous substrate; and a polymer disposed in the porous substrate, wherein the polymer is a polymerization product of a composition for forming the ion exchange membrane, wherein the composition includes a first monomer and a seco...
An ion implantation system and process, in which the performance and lifetime of the ion source of the ion implantation system are enhanced, by utilizing isotopically enriched dopant materials, or by utilizing dopant materials with supplemental gas(es) effective to provide such enhancement....
The present invention includes biochips for the measurement of cellular ion channels and methods of use and manufacture. The biochips of the present invention have enhanced sealing capabilities provided in part by chemically modifying the surface of the biochip surface or substrate or by exposure to an ionized gas. The...
An ion guide generates a first RF field of Nth order where N is an integer equal to or greater than 2, and a second RF field of 2Nth order superimposed on the first RF field. The first and second RF fields may be generated by respective first and second sets of electrodes. Another ion guide may include a converging ent...
A method for producing a cathode active material for lithium ion batteries includes a step of synthesizing LiFePO 4 by carrying out a hydrothermal reaction using an Li salt, a Fe salt, and a phosphoric acid source as raw materials. Elements Li and Fe in the Li and Fe salts are added to the reaction system in amounts e...
A composition comprising at least one fluorinated polymer comprising —SO 2 X functional groups, wherein X is selected from X′ or from OM and wherein X′ is selected from the group consisting of F, CI, Br, I and M is selected from the group consisting of H, alkaline metals, NH4, and at least one fluorinated aromati...
Lithium ion battery electrodes including graphenic carbon particles are disclosed. Lithium ion batteries containing such electrodes are also disclosed. The graphenic carbon particles may be used in cathodes of such batteries by depositing a graphenic carbon particle-containing coating of a conductive substrate such as ...
A method of treating a zone of a subterranean formation penetrated by a wellbore, the method including the steps of: (a) forming a treatment fluid comprising: (i) water; (ii) a strong acid); (iii) a water-soluble polymer having at least one functional group that can be crosslinked with aluminum(III); (iv) a water-solub...
The present invention provides a positive electrode active material for a lithium ion battery having good battery performance can be provided. The positive electrode active material for a lithium ion battery is represented by; Compositional formula:Li x Ni 1-y M y O 2 α wherein M is one or more s...
Provided is a method of producing a silicon-containing composition in mass production, comprising steps of: slicing a silicon substrate with a free-abrasive wire to obtain a mixing slurry; separating the mixing slurry into a liquid mixture and a solid mixture; and sorting the solid mixture by particle size and removing...
A positive electrode material for a lithium-ion secondary battery that can stably inhibit heat generation, a lithium-ion secondary battery comprising the positive electrode material for a lithium-ion secondary battery as a positive electrode material that is excellent in safety during charging, and a secondary battery ...
The invention provides an anode comprising a nanocomposite of graphene-oxide and a silicon-based polymer matrix. The anode exhibits a high energy density such as ˜800 mAhg −1 reversible capacity, a superlative power density that exceeds 250 kW/kg, a good stability, and a robust resistance to failure, among others. ...
With respect to the anionic polymer ion-exchange material used in an alkaline fuel cell, an electrodialysis apparatus, water treatment industry, catalyst industry, and the like, there are provided an anionic polymer ion-exchange material having both excellent ionic conductivity and excellent mechanical strength, as com...
To provide a cathode active material for a lithium ion secondary battery, which has high packing properties and high volume capacity density, and a method for its production. A cathode active material for a lithium ion secondary battery is used, which comprises a mixture B of a collection of many large particles having...
Disclosed herein are systems, methods, processes, and apparatuses for treating radioactive waste, through systems designed to bind and dry radioactive media. In some of its various embodiments, the system includes at least one helical screw designed to receive and mix liquid wastes with ion exchange media, as well as c...
Applicants have found that energetic neutral particles created by a charged exchange interaction between high energy ions and neutral gas molecules reach the sample in a ion beam system using a plasma source. The energetic neutral create secondary electrons away from the beam impact point. Methods to solve the problem ...
A system and process for removing divalent ions from a MEG feed stream is presented. The system includes a chemical treatment tank where chemicals are mixed with the feed stream to form insoluble carbonate and hydroxide salts. The system also includes a membrane-type solid-liquid separation unit that receives the feed ...