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Searching: chemistry





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Patent # Description
US-6,391,531 Low silver radiographic film and imaging assembly for thoracic imaging
High performance radiographic films exhibit excellent exposure latitude when imaged in radiographic imaging assemblies comprising intensifying screens. These...
US-6,391,262 Test kit for measuring volatile ammonia in biological sample
A test kit for determining the "volatile ammonia content" of biological samples comprising any wet or dry compost, manure, plasma or soil sample. The kit...
US-6,390,977 System and methods for measuring oxygenation parameters
Systems are methods described for calculating, in real-time, various oxygenation parameters including total oxygen transport, mixed venous blood oxygen tension...
US-6,388,253 Integrated critical dimension control for semiconductor device manufacturing
A method and apparatus for reducing lot to lot CD variation in semiconductor wafer processing feeds back information gathered during inspection of a wafer, such...
US-6,387,820 BC13/AR chemistry for metal overetching on a high density plasma etcher
A method of manufacturing a semiconductor device by forming layers of materials on a semiconductor substrate and utilizing a series of etch chemistries to remove...
US-6,387,586 High contrast visually adaptive radiographic film and imaging assembly for thoracic imaging
High performance, very high contrast radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising intensifying...
US-6,387,287 Process for etching oxide using a hexafluorobutadiene and manifesting a wide process window
An oxide etching process, particularly useful for selectively etching oxide over a feature having a non-oxide composition, such as silicon nitride and especially...
US-6,385,384 Glasses containing rare earth fluorides
A non-porous, transparent glass-ceramic body that is consolidated from a predominately silica-based preform (SiO.sub.2 +GeO.sub.2 85-99.0 wt. %) containing rare...
US-6,384,053 .alpha.-substituted-1-benzyl-napthyls
This invention relates to the fields of pharmaceutical and organic chemistry and provides novel 1-benzyl-naphthyls which are .alpha.-substituted with ether,...
US-6,383,972 Preparation of a catalyst support in activated carbon fibres
A carbon fiber fabric having large specific surface area is made using a rayon precursor, and a catalyst is fixed on the fabric by impregnation or by cationic...
US-6,383,931 Convertible hot edge ring to improve low-K dielectric etch
Two-step process to improve low-K dielectric etch uniformity, apparatus to perform the method, and semiconductor devices formed in accordance with the method. In...
US-6,383,928 Post copper CMP clean
A non-contact post CMP clean-up process. A corrosion inhibitor is used to protect the copper (118) surface to prevent an electrochemical reaction between the...
US-6,383,918 Method for reducing semiconductor contact resistance
A method is provided for reducing contact resistances in semiconductors. In the use of fluorocarbon plasmas during high selectively sub-quarter-micron contact...
US-6,380,711 Battery recharging device and method and an automatic battery detection system and method therefor
A system includes a recharging device to which an electronic hand-held device powered by a battery can be connected. A controller associated with the recharging...
US-6,380,378 Nucleotide compound, nucleotide block oligonucleotide, and method for producing them
Novel nucleotide compounds represented by the formula (I) ##STR1## wherein R.sup.1 represents a protective group or a PEG bearing organic group; R.sup.2,...
US-6,380,353 Method for reducing the C1-C2-aldehyde content formed from compounds with -CH2-CHR-O-or-CH(OH)-groups
Organic compounds containing --CH.sub.2 --CHR--O-- and/or --CH.sub.2 --CH(OH)-- groupings (R=H, C.sub.1 -C.sub.4 -alkyl) produce, under the action of free...
US-6,380,096 In-situ integrated oxide etch process particularly useful for copper dual damascene
An integrated in situ oxide etch process particularly useful for a counterbore dual-damascene structure over copper having in one inter-layer dielectric level a...
US-6,380,095 Silicon trench etch using silicon-containing precursors to reduce or avoid mask erosion
The present invention pertains to an etch chemistry and method useful for the etching of silicon surfaces. The method is particularly useful in the deep trench...
US-6,380,092 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-6,380,091 Dual damascene arrangement for metal interconnection with oxide dielectric layer and low K dielectric constant...
A method of forming a dual damascene structure in a semiconductor device arrangement forms a first dielectric layer made of an oxide dielectric material over an...
US-6,379,931 Chimeric DNA/RNA ribozymes containing propanediol
DNA-RNA-(Pr).sub.n -RNA-DNA ribozymes of formula III or IV: in which X and Z comprise DNA sequences that base pair with an RNA substrate at positions adjacent to an...
US-6,379,915 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-6,379,522 Electrodeposition chemistry for filling of apertures with reflective metal
The present invention provides plating solutions, particularly metal plating solutions, designed to provide uniform coatings on substrates and to provide...
US-6,377,895 Method for planning the generation of combinatorial chemistry libraries method for planning the generation of...
A computer-implemented method and apparatus are provided for planning the generation of combinatorial chemical libraries produced by a series of chemical...
US-6,376,272 InA1As etch stop layer for precise semiconductor waveguide fabrication
A semiconductor waveguide device and method for forming the same provide an InAlAs film as an etch stop layer. The InAlAs film does not etch in the CH.sub.4...
US-6,376,262 Method of forming a semiconductor device using double endpoint detection
An optical endpoint system controls the overetching of a semiconductor device by using double optical endpoint detection. With a complex spacer, the system...
US-6,375,951 Therapeutic suppression of specific immune response by administration of oligomeric forms of antigen of...
The invention features a non-immunogenic construct for reducing a non-primary antibody response to an epitope of a T-dependent antigen. The construct is free of...
US-6,372,885 Solid-phase technology for the preparation of amides
Method for preparing a combinatorial chemistry library of compounds of the formula R1--C(.dbd.O)--NH--R2, wherein R1 and R2 are as defined in the specification,...
US-6,372,665 Method for forming a semiconductor device
In accordance with embodiments of the present invention a trench-level dielectric film (26) and a via-level dielectric film (24) are formed overlying a...
US-6,372,638 Method for forming a conductive plug between conductive layers of an integrated circuit
A method for forming void free tungsten plug contacts (56a-56c) begins by etching a contact opening (55a-55c) using a C.sub.2 F.sub.6 and CHF.sub.3 chemistry....
US-6,372,634 Plasma etch chemistry and method of improving etch control
A plasma etch chemistry and etch methodology is provided to improve critical dimension control for openings formed into and/or through a semiconductor thin film....
US-6,372,428 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-6,369,750 Inkjet system for printing photoreal prints
The present invention is a process for fabricating color images using an ink jet printing system. Color formation is achieved using color dye forming chemistry...
US-6,365,679 Two component polyurethane clear coat for golf balls
A two component polyurethane clear coat for use with golf balls includes a polyol component and a polyisocyanate component. The polyol component includes a...
US-6,362,111 Tunable gate linewidth reduction process
A process for forming a polysilicon line having linewidths below 0.23 .mu.m. The layer of polysilicon (20) is deposited over a semiconductor body (10). A layer...
US-6,362,109 Oxide/nitride etching having high selectivity to photoresist
A single-step plasma etch process for etching both oxide and nitride selectively to photoresist and silicon. The etching gas includes a fluorocarbon,...
US-6,361,324 Tetrahedral twist: chemistry puzzle and teaching device
A twisting three dimensional puzzle apparatus for the study of chemistry and its history and based upon the Zmaczynski equilateral triangular model of the...
US-6,359,388 Cold cathode ion beam deposition apparatus with segregated gas flow
A cold cathode closed drift ion source is provided with segregated gas flow. A first gas may be caused to flow through or along a path around a peripheral...
US-6,358,325 Polysilicon-silicon dioxide cleaning process performed in an integrated cleaner with scrubber
An integrated cleaner with scrubber for cleaning and scrubbing semiconductor substrates that includes a housing that contains both a cleaning module and a...
US-6,355,840 Synthesis of permethyldodecaborate and paramagnetic dodecaborate salt
The dodecamethyl closo-borane dianion [closo-B.sub.12 (CH.sub.3).sub.12 ].sup.2- and anion [closo-B.sub.12 (CH.sub.3).sub.12 ].sup.- were synthesized and...
US-6,355,583 Multi-functional sorbent material
A versatile sorbent material is provided comprising a fibrous sheet having applied thereto a wetting chemistry comprising (i) a poly glycoside; (ii) a fatty acid...
US-6,355,490 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-6,355,121 Modified etching bath for the deposition of a protective surface chemistry that eliminates hydrogen absorption...
A method of controlling bulk absorption of atomic hydrogen and facilitating degassing of hydrogen from aluminum alloy workpieces during heat treatments in...
US-6,354,310 Apparatus and process to clean and strip coatings from hardware
Apparatus for stripping ceramic coatings from the surfaces of articles. The apparatus includes a dedicated pressure vessel, such as an autoclave, which is...
US-6,353,129 Water soluble tri-substituted 1,2-dioxetane compounds having increased storage stability, synthetic processes...
Stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility and storage stability are provided as well as synthetic processes...
US-6,352,867 Method of controlling feature dimensions based upon etch chemistry concentrations
The present invention is directed to a method of controlling the width of a gate electrode based upon the etch rate of a chemical bath. In one illustrative...
US-6,352,854 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-6,350,926 Chlorofluorohydrocarbon and process thereto
The present invention provides the novel chlorofluorohydrocarbon 1,1-difluoro-1,4-dichlorobutane, and a process for its preparation comprising reacting...
US-6,350,699 Method for anisotropic plasma etching using non-chlorofluorocarbon, fluorine-based chemistry
A method of anisotropically etching metals, especially iridium, platinum, ruthenium, osmium, and rhenium using a non-chlorofluorocarbon, fluorine-based...
US-6,350,566 Packaged color photographic film comprising a blocked phenylenediamine developing agent and a method for...
This invention relates to packaged photographic film that is capable of being alternately processed, according to individual consumer choice, by either (1) a...
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