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Searching: chemistry





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Patent # Description
US-6,194,286 Method of etching thermally grown oxide substantially selectively relative to deposited oxide
The invention comprises processing deposited oxide and grown oxide materials. In one implementation, a substrate is provided to have outwardly exposed grown...
US-6,193,870 Use of a hard mask for formation of gate and dielectric via nanofilament field emission devices
A process for fabricating a nanofilament field emission device in which a via in a dielectric layer is self-aligned to gate metal via structure located on top of...
US-6,191,551 Automatic battery detection system and method for detecting a rechargeable battery with low remaining charge
A system includes a charging cradle that receives a electronic hand-held device powered by a battery. Inside the charging cradle a controller performs a method...
US-6,191,043 Mechanism for etching a silicon layer in a plasma processing chamber to form deep openings
A method of etching a silicon layer in a plasma etching reactor to form an ultra deep opening is disclosed. The method includes the steps of providing a...
US-6,190,930 Buffered resist profile etch of a field emission device structure
A method for forming an emitter tip for use in a field emission device. An emitter layer is provided over a substrate. The emitter layer is overlaid with a...
US-6,190,844 Method of providing digital image in radiographic film having visually adaptive contrast
High performance radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising an intensifying screen on both...
US-6,190,822 High contrast visually adaptive radiographic film and imaging assembly
High performance, high contrast radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising an intensifying...
US-6,187,211 Method for fabrication of multi-step structures using embedded etch stop layers
A method of fabrication is provided for multi-step microlithographic structures including Fresnel lenses whereby the process includes the formation of...
US-6,187,133 Gas manifold for uniform gas distribution and photochemistry
The invention provides a system for providing a flow of a short-lived, reactive process gas species into an RTP chamber without creating ionic species. An RTP...
US-6,187,117 Method of making an as-rolled multi-purpose weathering steel plate and product therefrom
A method of making a weathering grade steel plate includes the steps of establishing a minimum yield strength:plate thickness target from one of 50 KSI:up to 4",...
US-6,184,659 Microcontroller with integral switch mode power supply controller
A single integrated circuit package for controlling the charging circuits of a battery charger. The single integrated circuit package comprises a ...
US-6,184,374 Targeted cytotoxic anthracycline analogs
This invention is in the field of the chemistry of targeting anticancer anthracycline derivatives. More particularly, it concerns doxorubicin (DOX) or its...
US-6,184,119 Methods 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-6,183,936 Method of preparing a lithographic printing plate
A method of preparing a lithographic printing plate which involves providing a plate precursor comprising a grained and anodized aluminium substrate coated with...
US-6,181,102 Battery pack chemistry detection and identification system and method
A battery chemistry identification system and method that identifies the chemistry of an installed battery pack which may be one of a number of battery packs...
US-6,181,051 Apparatus and methods for cleaning and/or processing delicate parts
The invention utilizes harmonics of certain clamped ultrasound transducers to generate ultrasound within the liquid of an ultrasonic tank and in a frequency...
US-6,180,833 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-6,180,770 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-6,177,895 Selective digital integrator
A device and method are disclosed for the acquisition of data at high flow rates and with high accuracy. The device, called a "Selective Digital Integrator"...
US-6,177,417 Cholanic acid ring based 4-(trifluoroacetyl)phenyl derivatives, process for preparation and use thereof
The present invention relates to a cholanic acid ring based 4-(trifluoroacetyl)phenyl derivatives of the following formula 1, process for preparation and use...
US-6,175,816 Use of automated technology in chemical process research and development
A method and workstation for optimizing chemical processes based on combinatorial chemistry, automation technology, and computer-controlled design is disclosed....
US-6,175,184 Buffered resist profile etch of a field emission device structure
A method for forming an emitter tip for use in a field emission device. An emitter layer is provided over a substrate. The emitter layer is overlaid with a...
US-6,175,006 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-6,174,571 Method of using a substrate offset to obtain a specific alloy chemistry from a metal alloy EB-PVD coating process
A method of making an evaporated deposit of a material comprising the steps of: (i) positioning at least one test substrate above a vapor source wherein at least...
US-6,173,603 Funnel and one-piece column arrangement for retaining small quantities of chemical samples
A cassette is used with a chemical immobilization and treatment system. The system with the cassette performs various complex chemistries with minimal human...
US-6,171,970 Method for forming high-density integrated circuit capacitors
A method for etching a platinum surface 200. The method includes the step of forming a hardmask 202 including titanium, aluminum, and nitrogen on the platinum...
US-6,168,760 Chemical treatment station for use with cassette having individually addressable sample mini-columns
This invention is directed to a cassette chemical chemical treatment station. The system with the cassette performs various complex chemistries with minimal...
US-6,168,755 High nitrogen stainless steel
Disclosed is a high nitrogen stainless steel alloy and alloy powder comprising chromium (Cr), molybdenum (Mo), manganese (Mn), nickel (Ni), nitrogen (N) and iron...
US-6,168,737 Method of casting patterned dielectric structures
A pattern of dielectric structures are formed directly on a substrate in a single step using sol-gel chemistry and molding procedures. The resulting dielectric...
US-6,165,910 Self-aligned contacts for semiconductor device
In a plasma processing chamber, a method for etching through a selected portion of an oxide layer of a wafer's layer stack to create a self-aligned contact...
US-6,165,795 Methods for performing fibrinogen assays using dry chemical reagents containing ecarin and magnetic particles
A method of performing a fibrinogen assay is provided using an assay reagent containing ecarin to give an assay that is insensitive to the presence of heparin...
US-6,165,695 Thin resist with amorphous silicon hard mask for via etch application
A method of forming a via structure is provided. In the method, a dielectric layer is formed on an anti-reflective coating (ARC) layer covering a first metal...
US-6,162,645 Determination of % glycated hemoglobin
A glycated hemoglobin assay utilizes a simple procedure for the determination of standardized %GHb in whole blood samples correlated to the Diabetes Control and...
US-6,162,587 Thin resist with transition metal hard mask for via etch application
A method of forming a via structure is provided. In the method, a dielectric layer is formed on an anti-reflective coating (ARC) layer covering a first metal...
US-6,159,863 Insitu hardmask and metal etch in a single etcher
A method of manufacturing a semiconductor wafer wherein a layer of hardmask material is formed on the surface of a metal layer formed on a layer of interlayer...
US-6,158,996 Screw rotor set
Known designs of single-thread screw rotors in single-piece cast iron constructions having wrap angles of >720 degrees with balancing cavities on the face of...
US-6,158,244 Method of producing optical quality glass having a selected refractive index
Optical quality glass having a selected refractive index is produced by a two stage drying process. A gel is produced using sol-gel chemistry techniques and...
US-6,156,905 Deoxy epothilones and intermediates utilized in the process for preparing epothilones
The invention relates to a process for the production of epothilones and intermediate products within the process. Epothilones A and B are natural substances, which...
US-6,156,181 Controlled fluid transport 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-6,156,007 Apparatus for whole-body hyperthermia
An apparatus for use in whole body hypothermia includes a dialyzer having a blood side and a dialysate side separated by one or more dialysis membranes. A blood...
US-6,153,744 Nucleoside derivatives with photolabile protective groups
The invention relates to nucleo-side derivatives with photo-unstable protective groups of the general formula (I) ##STR1## in which R.sup.1 is H, NO.sub.2,...
US-6,153,514 Self-aligned dual damascene arrangement for metal interconnection with low k dielectric constant materials and...
A method of forming a self-aligned dual damascene structure in a semiconductor device arrangement forms a first low k dielectric material over an underlying...
US-6,153,437 Method for sequential chemical treatment of less than milligram quantities of a plurality of chemical samples
A cassette chemical immobilization and treatment method enables the performance of various complex chemistries with minimal human intervention, near-zero dead...
US-6,153,398 Method to identify specific inhibitors of IMP dehydrogenase
This invention relates to methods to identify specific inhibitors of the purine nucleotide synthesis enzyme, IMP dehydrogenase (IMPDH). IMPDH is an essential...
US-6,151,517 Method and apparatus for noninvasive quantitative measurement of blood analytes
A method and apparatus for performing quantitative noninvasive measurement of blood analytes, includes correction for measurement interference caused by pulse...
US-6,150,548 Linkers
The invention relates to a compound having the formula I ##STR1## wherein R.sup.1 is hydroxy, (1-6C)alkoxy or NR.sup.4 R.sup.5, R.sup.4 and R.sup.5 being...
US-6,149,508 Chemical mechanical planarization system
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-6,149,211 Inclusion of tooth whitening oxidation chemistries into slow releasing food products
A solid tooth whitening composition in the form a table, gum, candy, or the like, is formed by combining carbamide peroxide with a non-hygroscopic sweetener base...
US-6,147,175 Crosslinked biological products, process for obtaining such products, and their use as removers
The invention relates to the field of biological chemistry, and to polysaccharides in particular. Specifically, it concerns biological products obtained as a...
US-6,146,948 Method for manufacturing a thin oxide for use in semiconductor integrated circuits
A method for forming a gate dielectric having different thickness begins by providing a substrate (12). A sacrificial oxide (14) is formed overlying the...
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