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Searching: chemistry





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Patent # Description
US-6,939,795 Selective dry etching of tantalum and tantalum nitride
The invention describes a method for the selective dry etching of tantalum and tantalum nitride films. Tantalum nitride layers (30) are often used in ...
US-6,936,730 Process for producing hydrogenated ester, hydrogenating catalyst used therefor and process for producing the...
A process for producing a hydrogenated ester by hydrogenating an unsaturated group-containing ester having a specific structure by using a hydrogenating catalyst...
US-6,936,544 Method of removing metal etching residues following a metal etchback process to improve a CMP process
A method for reducing wafer surface scratching in a metal CMP process including providing a semiconductor wafer having a process surface comprising a blanket...
US-6,936,477 Complex combinatorial chemical libraries encoded with tags
Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage,...
US-6,933,243 High selectivity and residue free process for metal on thin dielectric gate etch application
Methods for etching electrodes formed directly on gate dielectrics are provided. In one aspect, an etch process is provided which includes a main etch step, a...
US-6,933,225 Graded thin films
Thin films are formed by atomic layer deposition, whereby the composition of the film can be varied from monolayer to monolayer during cycles including...
US-6,929,749 Cooling water scale and corrosion inhibition
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO.sub.2) are...
US-6,926,939 Pressure vessel with composite sleeve
A self sealing vessel assembly for high pressure microwave assisted chemistry is disclosed. The vessel assembly includes a polymeric cylinder and a circular...
US-6,925,392 Method for measuring fluid chemistry in drilling and production operations
A method for chemical analysis of fluids utilized in hydrocarbon exploration and production in which microfluidic systems designed to react to specific...
US-6,924,172 Method of forming a bond pad
A top-most layer (64) is formed over a bond pad layer (62) and under a passivation layer (68) and a polyimide layer (72). Openings (70 and 74) are formed within...
US-6,923,918 Method for implementing an efficient and economical cathode process
The present invention provides a method of fabricating a cathode requiring relatively few and somewhat simple steps. In one embodiment, a novel etchant gas...
US-6,923,189 Cleaning of CVD chambers using remote source with cxfyoz based chemistry
A method and apparatus for cleaning a processing chamber are provided. The cleaning method includes the use of a remote plasma source to generate reactive...
US-6,921,901 Lutetium yttrium orthosilicate single crystal scintillator detector
A single crystal having the general composition, Ce.sub.2x (Lu.sub.1-y Y.sub.y).sub.2(1-x) SiO.sub.5 where x=approximately 0.00001 to approximately 0.05 and...
US-6,921,723 Etching method having high silicon-to-photoresist selectivity
Conventional methods of semiconductor fabrication and processing typically utilize three gas (e.g., HBr, Cl.sub.2 and O.sub.2) and four gas (e.g., HBr, Cl.sub.2,...
US-6,921,514 Device for carrying out an almost simultaneous synthesis of a plurality of samples
The invention relates to a device for carrying out an almost simultaneous synthesis of a plurality of samples. The device is especially suitable for use in...
US-6,919,382 Preparation and uses of conjugated solid supports for boronic acids
The invention provides novel solid supports comprising dihydroxyalkyl aminoalkyl and dihydroxyalkylaminobenzyl groups, and methods for making and using them. The...
US-6,919,044 Sample loading and handling interface to multiple chemistry analyzers
A front-end system accepts samples and selectively provides aliquots of those samples to selected clinical chemistry analyzers coupled to the front-end system....
US-6,918,960 CVD of PtRh with good adhesion and morphology
A method and system for performing metal-organic chemical vapor deposition (MOCVD). The method introduces a metal-organic compound into the CVD chamber in the...
US-6,917,738 Optical fiber system with sealed fiber bundle
An optical fiber imaging system includes an optical fiber bundle including a plurality of optical fibers, an elongated housing receiving and at least partially...
US-6,917,158 High-qualty aluminum-doped zinc oxide layer as transparent conductive electrode for organic light-emitting devices
An organic light-emitting diode is described in which the anode comprises midfrequency magnetron sputtered aluminum-doped zinc oxide to increase the device...
US-6,917,023 Reaction and temperature control for high power microwave-assisted chemistry techniques
A method is disclosed for carrying out microwave assisted chemical reactions. The method includes the steps of placing reactants in a microwave-transparent...
US-6,916,746 Method for plasma etching using periodic modulation of gas chemistry
A method for etching a layer over a substrate is provided. A gas-modulated cyclic process is performed for more than three cycles. Each cycle comprises...
US-6,916,679 Methods of and device for encapsulation and termination of electronic devices
A novel method for production of and an apparatus for an encapsulated solid-state electrochemical device is disclosed. The present invention provides for...
US-6,914,364 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-6,910,503 Methods and apparatus for micro-fluidic analytical chemistry
Improved valve and methods for analytical techniques and systems. The valve includes a main housing, together with a rotor and stator. The stator has openings...
US-6,909,190 Dual-damascene dielectric structures
A dielectric structure and method for making a dielectric structure for dual-damascene applications over a substrate are provided. The method includes forming a...
US-6,906,049 Contraceptive medicine based on a progestational agent and an oestrogen and preparation method
The present invention relates to the field of chemistry and more particularly to that of therapeutic chemistry. The invention relates more particularly to novel...
US-6,904,786 Method and apparatus for characterizing materials by using a mechanical resonator
A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement...
US-6,904,661 Method of fabricating surface coated spherical slip joint for forming a sealed interface
A surface coating for forming a sealed interface is formed on a substrate, without requiring subsequent finishing operations. The sealed confronting surfaces...
US-6,903,433 Chemical sensor using chemically induced electron-hole production at a schottky barrier
Electron-hole production at a Schottky barrier has recently been observed experimentally as a result of chemical processes. This conversion of chemical energy to...
US-6,902,681 Method for plasma etching of high-K dielectric materials
A method of etching high dielectric constant materials (a material with a dielectric constant greater than 4) using a halogen gas, reducing gas, and passivating...
US-6,900,123 BARC etch comprising a selective etch chemistry and a high polymerizing gas for CD control
A BARC etch comprises a selective etch chemistry in combination with a high-polymerizing gas for CD control. The BARC etch may be used in a via-first dual...
US-6,900,002 Antireflective bi-layer hardmask including a densified amorphous carbon layer
An amorphous carbon layer of an antireflective bi-layer hardmask is processed to increase its density prior to patterning of an underlying polysilicon layer...
US-6,897,120 Method of forming integrated circuitry and method of forming shallow trench isolation in a semiconductor substrate
A method of forming integrated circuitry includes forming a silicon nitride comprising layer over a semiconductor substrate. At least a portion of the silicon...
US-6,894,353 Capped dual metal gate transistors for CMOS process and method for making the same
A first gate (120) and a second gate (122) are preferably PMOS and NMOS transistors, respectively, formed in an n-type well (104) and a p-type well (106). In a...
US-6,893,969 Use of ammonia for etching organic low-k dielectrics
Method for etching organic low-k dielectric using ammonia, NH3, as an active etchant. Processes using ammonia results in at least double the etch rate of organic...
US-6,893,967 L-shaped spacer incorporating or patterned using amorphous carbon or CVD organic materials
A multilayer L-shaped spacer is formed of a lower portion comprising a CVD organic material or amorphous carbon, and an upper portion comprised of a protective...
US-6,893,783 Multilayer imageable elements
Multilayer, positive working, thermally imageable elements are disclosed. The elements produce bakeable lithographic printing plates that are resistant to press...
US-6,893,614 Reaction device for organic synthesis
The present invention relates to a reaction vessel for organic synthesis and a block device for the reaction vessel and synthetic method of compound using...
US-6,893,613 Parallel chemistry reactor with interchangeable vessel carrying inserts
The base of the modular reactor includes a frame which defines an opening into which one of a plurality of interchangeable reaction vessel carrying inserts can...
US-6,893,518 Sol-gel manufactured energetic materials
Sol-gel chemistry is used for the preparation of energetic materials (explosives, propellants and pyrotechnics) with improved homogeneity, and/or which can be...
US-6,890,859 Methods of forming semiconductor structures having reduced defects, and articles and devices formed thereby
A method is described for forming a trench in a semiconductor substrate, which has a silicon layer, an oxide layer overlying the silicon layer, and a nitride...
US-6,890,491 Method and apparatus for universal fluid exchange
A universal fluid exchange device includes upper and lower reaction vessel supports which include pressure sealed injection and evacuation ports for each...
US-6,890,245 Byproduct control in linear chemical mechanical planarization system
In a method for controlling byproduct build-up on a polishing pad, a chemistry is introduced onto the top surface of the polishing pad in the presence of a...
US-6,890,182 Method and apparatus for the selection of oral care chemistry
A method and apparatus for the selection of oral care chemistries by a consumer from a plurality of available options. An oral care selection advisor first...
US-6,887,824 Divalent lanthanide reduction catalysts
The present invention relates generally to the chemistry of inorganic reduction catalysts, and more particularly to the composition and use of dihalogenated...
US-6,887,707 Induction of viral mutation by incorporation of miscoding ribonucleoside analogs into viral RNA
The present invention is directed to the identification and use of ribonucleoside analogs to induce the mutation of an RNA virus, including BVDV, HIV and HCV, or...
US-6,887,244 Cordless surgical handpiece with disposable battery; and method
A surgical procedure is disclosed utilizing a cordless surgical handpiece powered from a sterile battery pack that contains a battery in condition for immediate...
US-6,884,079 Molecular model representing molecular structure
A molecular model for chemistry that shows a molecular structure by expressing the distance between the atoms obtained by molecular structure analysis as the...
US-6,881,380 Cup handling subsystem for an automated clinical chemistry analyzer system
The present invention relates to a cup handling subsystem for an automated clinical chemistry analyzer system which includes a nestable sample cup for holding...
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