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Searching: chemistry





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Patent # Description
US-5,948,701 Self-aligned contact (SAC) etching using polymer-building chemistry
A method for forming a via through a dielectric layer within a microelectronics fabrication. There is first provided a substrate employed within a...
US-5,947,911 Method and apparatus for reducing purge volume in a blood chemistry monitoring system
A method and apparatus for reducing the volume of fluid required to purge a patient's blood from a blood sampling site after the blood has been sampled for...
US-5,945,346 Chemical mechanical planarization system and method therefor
A chemical mechanical planarization tool that reduces a volume of polishing chemistry used in a wafer polishing process includes a rinse bar (87) for removing...
US-5,945,070 Reaction vessel filter for combinatorial chemistry or biological use
A filter tube for a reaction or other fluid vessel is disclosed which maintains the vessel under an inert gas atmosphere and maintains the integrity of the inert...
US-5,943,582 Method for forming DRAM stacked capacitor
The present invention discloses a method for forming DRAM stacked capacitors by utilizing a densified oxide layer as an etch-stop for the wet etching process of...
US-5,942,638 Method of functionalizing polycyclic silicones and the resulting compounds
A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS)...
US-5,942,007 Dry cleaning method and solvent
A dry cleaning system and method, in which specially designed or modified machinery is used in conjunction with a specific solvent which is derived from an...
US-5,939,576 Method of functionalizing polycyclic silicones and the compounds so formed
A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS)...
US-5,939,314 Distributed pore chemistry in porous organic polymers in tissue culture flasks
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-5,939,268 Combinatorial libraries of molecules and methods for producing same
This invention features methods of synthesizing combinatorial libraries of chemical compounds, and combinatorial libraries of chemical compounds formed by the...
US-5,939,220 Catalyst
A novel catalyst comprising a Pt--M alloy wherein M is one or more metals selected from the transition metal elements or from Groups IIIA or IVA of the Periodic...
US-5,935,845 Distributed pore chemistry in porous organic polymers
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-5,935,527 Automated system for polynucleotide synthesis and purification
A method and system for polynucleotide synthesis are provided which employ solid phase synthesis on a nonswellable porous polystyrene support by phosphoramidite...
US-5,934,359 Casting steel strip
Method of casting steel strip in which molten steel solidifies as a shell on a chilled casting surface (100). The casting surface (100) has a texture (101)...
US-5,932,711 Nucleic acid-containing polymerizable complex
Disclosed is a polymerizable complex containing a covalently attached nucleic acid molecule which, under appropriate conditions, is capable of copolymerization...
US-5,931,986 Method and apparatus for confinement of ions in the presence of a neutral gas
The present invention is an apparatus and method for combining ions with a neutral gas and flowing the mixture with a radial flow component through a magnetic...
US-5,930,677 Method for reducing microloading in an etchback of spin-on-glass or polymer
A method for forming a planarized interlevel dielectric layer without degradation due to the microloading effect from spin-on material etchback is described. A...
US-5,930,585 Collar etch method to improve polysilicon strap integrity in DRAM chips
In the manufacture of 16 Mbits DRAM chips, a polysilicon strap is used to provide an electrical contact between the drain region of the active NFET device and...
US-5,926,419 Silicon layer arrangement for last mask programmability
A method for fabricating an application specific integrated circuit (ASIC) from a multitude of silicon layers, including upper silicon layers and lower silicon...
US-5,925,562 Remotely programmable matrices with memories
Combinations, called matrices with memories, of matrix materials with remotely addressable or remotely programmable recording devices that contain at least one...
US-5,925,212 Apparatus and method for attaining repeatable temperature versus time profiles for plasma heated interactive...
The temperatures of scavenger-emitting kit parts in a high-density plasma (HDP) etching system are elevated to or close to respective steady state equilibrium...
US-5,922,608 Macromolecule sequencing packet and method of use
A method, apparatus and article for sequencing polypeptides and proteins ("macromolecules") utilizes a sequencing packet comprised of a plurality of substrates...
US-5,922,285 Integrated fluorescence-based biochemical sensor
An integrated biochemical sensor (200) for detecting the presence of one or more specific samples (240) having a device platform (355) with a light absorbing...
US-5,922,281 Surface treatment for micro-conduits employed in blood heat exchange system
Blood heat exchanger apparatus with improved heat exchanged capability and improved bonding of micro-conduit heat exchange fibers. The micro-conduit comprises a...
US-5,922,161 Surface treatment of polymers
This invention relates to a method of modifying or tailoring the surface of polymers and or polymer-based materials to control surface and interface chemistry...
US-5,919,870 Functional telechelic star polymers
Protected functional initiators have been demonstrated to polymerize dienes and alkenyl substituted aromatics. The resultant living anions were linked with a...
US-5,918,590 Heat cells
This invention relates to heat cells, based on a specific iron oxidation chemistry and having specific physical dimensions and fill characteristics. These heat...
US-5,918,273 Unitary one-piece sample mini-column
This invention is directed to a unitary one-piece sample mini-column for a cassette chemical immobilization and treatment system for enabling the performance of...
US-5,916,480 Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate
Blowing agent-containing emulsions comprise a) compounds containing hydrogen atoms which are reactive toward isocyanates, b) blowing agents, c) catalysts, auxiliaries...
US-5,914,052 Wet etch method and apparatus
Wet etch methods of anisotropically etching a substantially vertical etched step in a film. Methods of forming a substantially vertical etched step include...
US-5,912,069 Metal nanolaminate composite
Metal-polymer nanolaminate products are fabricated from a bulk nanolaminate material composed of thousands of alternating metal and polymer layers. The...
US-5,908,672 Method and apparatus for depositing a planarized passivation layer
A planarized passivation layer is described. A planarized passivation layer of the present invention preferably includes a fluorosilicate glass (FSG) layer and a...
US-5,906,948 Method for etching high aspect-ratio multilevel contacts
A method for etching dielectric layers is disclosed. A first etch of the dielectric layers is performed with a gas chemistry comprising C.sub.4 F.sub.8 flowing...
US-5,906,691 Induction hardened microalloy steel having enhanced fatigue strength properties
Improved fatigue strength properties are achieved in an induction hardened microalloy steel useful for demanding service environments. The microalloy steel has...
US-5,902,723 Analysis of surface immobilized polymers utilizing microfluorescence detection
Means for simultaneous parallel sequence analysis of a large number of biological polymer macromolecules. Apparatus and methods may use fluorescent labels in...
US-5,902,548 Automatic chemistry analyzer
An automatic chemistry analyzer is provided having a high throughput and a high reliability. The analyzer uses nephelometric and turbimetric analyzers to analyze...
US-5,902,452 Method for etching silicon surface
The present invention discloses a method for etching a silicon surface or forming alignment marks in a silicon substrate by first coating the substrate with an...
US-5,900,481 Bead linkers for immobilizing nucleic acids to solid supports
Novel compositions comprised of at least one bead conjugated to a solid support and further conjugated to at least one nucleic acid and preferred methods for...
US-5,900,215 Fiber optic sensor
A method is provided for manufacturing a fiber optic sensor for detecting or measuring a parameter of interest in a sample fluid, including pH, concentration of...
US-5,891,959 Polymeric anti-reflective compounds
Anti-reflective coatings and methods for forming these anti-reflective coatings are disclosed that have a polymer chemistry and optical characteristics suitable...
US-5,891,658 Single-step, solid-state competitive immunoassay
Simplicity, sensitivity and versatility of optical sensors based on competitive immunoassays using antibody-antigen reactions are achieved by solid-state,...
US-5,891,526 Apparatus for mixing a multi-component encapsulant and injecting it through a heated nozzle onto a part to be...
The present invention is an apparatus and method for mixing a plurality of materials in-situ to form an admixture and heating a localized portion of admixture...
US-5,889,165 Photolabile nucleoside protecting groups
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-5,888,824 Blood test ware and matrixes
This invention has for its object to provide a blood component deposition-preventing agent and a blood coagulation accelerator, which are substantially...
US-5,886,186 Synthesis of substituted N-heteroaromatic compounds and methods of use thereof
The subject invention features substituted N-heteroaromatic compounds, libraries of substituted N-heteroaromatic compounds, and methods of synthesis thereof. For...
US-5,885,790 Diagnostic compositions and devices utilizing same
A dry chemistry dye indicator composition provides improved shelf life, stable color indication end point and capability for a system at near normal pH. The...
US-5,885,784 Process for making triglyceride controls, calibrators and standards comprising novel triglyceride substitutes
Materials and compositions for making triglyceride controls, calibrators and standards are described. The materials are mono- and di- and tri- glycerides of...
US-5,885,470 Controlled fluid transport in microfabricated polymeric substrates
Microfluidic devices are provided for the performance of chemical and biochemical analyses, syntheses and detection. The devices of the invention combine precise...
US-5,884,116 Photographic processing apparatus
A photographic processing apparatus (100) for processing photographic materials and comprising at least one processing stage (10,20), a washing/stabilizing stage...
US-5,883,007 Methods and apparatuses for improving photoresist selectivity and reducing etch rate loading
Disclosed is an inventive multiple-chemistry etching method suited for etching through selected portions of layers in a layer stack in a plasma processing...
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