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Searching: chemistry





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Patent # Description
US-6,296,712 Chemical vapor deposition hardware and process
The invention provides a substrate support member and a purge guide for directing purge gas past the edge of a substrate and towards the outer perimeter of the...
US-6,295,153 Digital optical chemistry micromirror imager
An apparatus and method for catalyzing a reaction on a substrate (24) comprising, a light source (12), a micromirror (16) positioned to redirect light (14) from...
US-6,294,835 Self-aligned composite insulator with sub-half-micron multilevel high density electrical interconnections and...
The present invention relates generally to a new sequence of methods and materials to improve the process yield and to enhance the reliability of multilevel...
US-6,294,392 Spatially-encoded analyte detection
A flow-through microchannel (e.g. capillary) biosensor is described for the for the detection of multiple, different analytes (e.g. nucleic acids, proteins,...
US-6,291,887 Dual damascene arrangements for metal interconnection with low k dielectric constant materials and nitride...
A method of forming a dual damascene structure in a semiconductor device arrangement forms a first low k dielectric material over an underlying metal...
US-6,291,361 Method and apparatus for high-resolution in-situ plasma etching of inorganic and metal films
Method and apparatus for plasma etching both metal and inorganic dielectric layers in a single chamber during deep sub-micron semiconductor fabrication. Fluorine...
US-6,291,296 Method for removing anti-reflective coating layer using plasma etch process before contact CMP
The present invention provides a method for selectively removing anti-reflective coating (ARC) from the surface of an dielectric layer over the surface of a...
US-6,291,191 Microplate thermal shift assay for ligand development and multi-variable protein chemistry optimization
The present invention is a method for ranking the affinity of each of a multiplicity of different molecules for a target molecule which is capable of denaturing...
US-6,290,816 Paper machine with closed loop control system
A paper machine for making a fiber web includes an approach flow system with a plurality of control modules. Each control module controls one of a plurality of...
US-6,290,779 Systems and methods for dry cleaning process chambers
Chlorine trifluoride (ClF.sub.3) is an excellent chemistry for in-situ cleaning of process equipment for chemical vapor deposition (CVD) of metals. ClF.sub.3 is...
US-6,289,914 Microflow splitter
This invention refers to a microsplitter in flow systems especially used for separation techniques in analytical chemistry such as microliquid chromatography...
US-6,289,827 Process for the control of ash accumulation and corrosivity associated with selective catalytic reduction...
A process for the utilization and strategic addition of ash modifying compounds, into selective catalytic reduction units, to modify the resultant ash chemistry...
US-6,288,379 Use of continuously variable power in microwave assisted chemistry
A method of microwave assisted chemistry is disclosed in which power can be supplied more continuously at preferred power levels to more precisely control or...
US-6,287,983 Selective nitride etching with silicate ion pre-loading
A nitride wet etch in which liquid TEOS is flowed directly into the hot phosphoric acid bath before wafer etching begins. This preloads the bath chemistry with...
US-6,287,975 Method for using a hard mask for critical dimension growth containment
A method for containing the critical dimension growth of the feature on a semiconductor substrate includes placing a substrate with a hard mask comprised of a...
US-6,287,526 Sealing closure for high pressure vessels in microwave assisted chemistry
A dynamic sealing structure for pressure vessels used in microwave assisted chemistry is disclosed. The structure includes a cylindrical vessel liner and a...
US-6,286,363 Integrated multi-element lubrication sensor and health lubricant assessment system
A multi-element fluid sensor system for determining the health state of a fluid. The sensor system includes at least two sensors for collecting data relating to...
US-6,284,772 Indolo[2,1-B] quinazole-6,12-dione antimalarial compounds and methods of treating malaria therewith
Compounds, compositions and methods are provided for treating malaria parasites in vitro and in vivo by administering indolo[2,1-b]quinazoline-6,12-dione...
US-6,284,459 Solid support matrices with memories and combinatorial libraries therefrom
Combinations, called matrices with memories, of matrix materials that are encoded with an optically readable code are provided. The matrix materials are those...
US-6,283,131 In-situ strip process for polysilicon etching in deep sub-micron technology
A new method of patterning the polysilicon layer in the manufacture of an integrated circuit device has been achieved. A polysilicon layer is provided overlying...
US-6,281,245 Methods for solid-phase synthesis of hydroxylamine compounds and derivatives, and combinatorial libraries thereof
A novel method for generating hydroxylamine, hydroxamic acid, hydroxyurea, and hydroxylsulfonamide compounds is disclosed. The method involves the nucleophilic...
US-6,281,131 Methods of forming electrical contacts
A method of forming an electrical contact to semiconductive material includes forming an insulative layer over a contact area of semiconductive material. A...
US-6,281,068 Method for buried plate formation in deep trench capacitors
An improved method of forming the buried plate regions in deep trench capacitors used in DRAM memory semiconductor circuits in which the polymer used in the deep...
US-6,277,758 Method of etching doped silicon dioxide with selectivity to undoped silicon dioxide with a high density plasma...
Disclosed is a process for removing doped silicon dioxide from a structure selectively to undoped silicon dioxide. A structure having both doped and undoped...
US-6,277,716 Method of reduce gate oxide damage by using a multi-step etch process with a predictable premature endpoint system
A method of fabricating a gate stack having an endpoint detect layer and a multi-step etch process to prevent damage to a gate dielectric layer. The special...
US-6,277,644 Method for compositional tag sequencing
A modified Edman degradation process is used to obtain compositional tags for proteins. The Edman degradation chemistry is separated from amino acid analysis,...
US-6,277,540 Heat sensitive plate precursors
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a layer of metallic silver on top of which is applied a...
US-6,277,304 Process for producing electroactive inorganic organic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer...
US-6,275,776 Method for characterizing residual crude oil and petroleum fractions
A method to rapidly characterize the hydrocarbon chemistry of heavy residual petroleum mixtures uses three model equations for predicting aromatic carbon...
US-6,274,642 Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate
Storage-stable, blowing agent-containing halogen-free emulsions for producing rigid foams based on isocyanate comprise a) compounds containing hydrogen atoms which...
US-6,274,385 Attached tags for use in combinatorial chemistry synthesis
The present invention relates to a process of coding and identifying individual members of a chemical combinatorial library synthesized on a plurality of solid...
US-6,271,419 Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the...
The present invention relates to a process and a reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom...
US-6,270,594 Composition and method for producing an alloy steel and a product therefrom for structural applications
A method of making a high strength low-alloy steel includes the steps of casting an alloy steel into a cast form, hot rolling the cast form into a partially...
US-6,270,484 Safety penetrating instrument with expandible portion and method of penetrating anatomical cavity
A safety penetrating instrument for penetrating an anatomical wall or a body lumen comprises an elongated penetrating member having proximal and distal ends. The...
US-6,270,466 Bruxism biofeedback apparatus and method including acoustic transducer coupled closely to user's head bones
A method and apparatus for the treatment of bruxism thorough biofeedback is disclosed. In one embodiment, the apparatus consists of electronics mounted in a...
US-6,268,297 Self-planarizing low-temperature doped-silicate-glass process capable of gap-filling narrow spaces
A low-temperature pre-metal dielectric deposition process using phosphine-based chemistry in a high-density plasma chemical-vapor deposition technique. The...
US-6,268,110 Heat sensitive plate precursor
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a metallic layer, preferably a silver layer, on top of...
US-6,268,089 Photorecording medium and process for forming medium
An improved photorecording medium suitable for use in holographic storage systems contains a glassy hybrid inorganic-organic, three dimensional matrix, in which...
US-6,267,753 Robotic medicament dispenser
Robotic manipulation of three-part plastic preparation assemblies automatically produces IV solutions which conform to a input specifications of a pharmacist...
US-6,267,076 Gas phase planarization process for semiconductor wafers
A gas phase planarization process for semiconductor wafers. The present invention comprises a system and method of dry planarization for a semiconductor wafer....
US-6,266,459 Fiber optic sensor with encoded microspheres
A microsphere-based analytic chemistry system and method for making the same is disclosed in which microspheres or particles carrying bioactive agents may be...
US-6,261,973 Remote plasma nitridation to allow selectively etching of oxide
A method is disclosed of nitridating an oxide containing surface the disclosed method includes the steps of, obtaining a substrate, growing an oxide layer on the...
US-6,261,407 Method and apparatus for removal of thin films from wafers
A method and apparatus for processing a wafer are described. In one embodiment, a method for processing a wafer comprises applying a sealing mechanism to the...
US-6,259,210 Power control apparatus for an ION source having an indirectly heated cathode
In a power control apparatus for controlling power supply of an ion source having an indirectly headed cathode, the cathode bias power supply which provides a...
US-6,258,917 Extrudable thermoplastic elastomeric urea-extended polyurethane
An extrudable urea-extended thermoplastic polyurethane elastomer is formed from at least one aliphatic diisocyanate, at least one polyester glycol or polyether...
US-6,258,727 Method of forming metal lands at the M0 level with a non selective chemistry
The starting structure consists of a silicon substrate having diffused regions formed therein and gate conductor stacks formed thereupon that is passivated by a...
US-6,258,263 Liquid chromatograph on a chip
A chromatograph fabricated using microelectromechanical techniques. The chromatograph includes a first layer superimposed over a second layer. At least one...
US-6,256,533 Apparatus and method for using an intracutaneous microneedle array
A microneedle array, constructed of silicon and silicon dioxide compounds or of a molded plastic material, is provided to penetrate the stratum corneum and...
US-6,255,735 Dual damascene arrangement for metal interconnection with low k dielectric constant materials in dielectric layers
A method of forming a dual damascene structure in a semiconductor device arrangement forms a first low k dielectric material over an underlying metal...
US-6,255,226 Optimized metal etch process to enable the use of aluminum plugs
In modern sub-micron technologies with aggressive design rules, it is not always possible to have complete overlap of conductive lines with underlying vias. A...
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