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98results about How to "Eliminate contamination" patented technology
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A damascene copper wiring image sensor
ActiveUS20060113622A1High sensitivityEliminate contaminationSolid-state devicesSemiconductor/solid-state device manufacturingOptical pathPixel array
An image sensor array and method of fabrication wherein the sensor includes Copper (Cu) metallization levels allowing for incorporation of a thinner interlevel dielectric stack with improved thickness uniformity to result in a pixel array exhibiting increased light sensitivity. In the sensor array, each Cu metallization level includes a Cu metal wire structure formed at locations between each array pixel and, a barrier material layer is formed on top each Cu metal wire structure that traverses the pixel optical path. By implementing a single mask or self-aligned mask methodology, a single etch is conducted to completely remove the interlevel dielectric and barrier layers that traverse the optical path. The etched opening is then refilled with dielectric material. Prior to depositing the refill dielectric, a layer of either reflective or absorptive material is formed along the sidewalls of the etched opening to improve sensitivity of the pixels by either reflecting light to the underlying photodiode or by eliminating light reflections.
Owner:SMARTSENS TECH (HK) CO LTD
Multi-material stereolithography
ActiveUS20060022379A1Improves SL functionalityEliminate pollutionMouldsConfectioneryMulti materialManufacturing technology
Methods and systems of stereolithography for building cost-efficient and time-saving multi-material, multi-functional and multi-colored prototypes, models and devices configured for intermediate washing and curing / drying is disclosed including: laser(s), liquid and / or platform level sensing system(s), controllable optical system(s), moveable platform(s), elevator platform(s), recoating system(s) and at least one polymer retaining receptacle. Multiple polymer retaining receptacles may be arranged in a moveable apparatus, wherein each receptacle is adapted to actively / passively maintain a uniform, desired level of polymer by including a recoating device and a material fill / remove system. The platform is movably accessible to the polymer retaining receptacle(s), elevator mechanism(s) and washing and curing / drying area(s) which may be housed in a shielded enclosure(s). The elevator mechanism is configured to vertically traverse and rotate the platform, thus providing angled building, washing and curing / drying capabilities. A horizontal traversing mechanism may be included to facilitate manufacturing between components of SL cabinet(s) and / or alternative manufacturing technologies.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Stabilized alkaline compositions for cleaning microelectronic substrates
InactiveUS6599370B2Eliminate contaminationLong lastingInorganic/elemental detergent compounding agentsLighting and heating apparatusWater solubleSURFACTANT BLEND
The invention provides aqueous alkaline compositions useful in the microelectronics industry for stripping or cleaning semiconductor wafer substrates by removing photoresist residues and other unwanted contaminants. The compositions typically contain (a) one or more metal ion-free bases at sufficient amounts to produce a pH of about 10-13 and one or more bath stabilizing agents having at least one pKa in the range of 10-13 to maintain this pH during use; (b) optionally, about 0.01% to about 5% by weight (expressed as % SiO2) of a water-soluble metal ion-free silicate; (c) optionally, about 0.01% to about 10% by weight of one or more chelating agents; (d) optionally, about 0.01% to about 80% by weight of one or more water-soluble organic co-solvents; and (e) optionally, about 0.01% to about 1% by weight of a water-soluble surfactant.
Owner:AVANTOR PERFORMANCE MATERIALS LLC
Miniaturized fluid delivery and analysis system
ActiveUS20050180891A1Low resistanceHigh resistanceBioreactor/fermenter combinationsBiological substance pretreatmentsLinear actuatorEngineering
An apparatus comprising a fluidic cartridge including a first and second substrate and an intermediate interlayer is provided. The intermediate interlayer is sealedly interfaced between the first and second substrates to form therein a plurality of channels of capillary dimensions. The apparatus further includes an open reservoir, a pump chamber and a reaction chamber. The open reservoir and reaction chamber are each connected to the pump chamber through the channels. The open reservoir and reaction chamber are in fluid communication with each other via the channels. The apparatus further comprises a fluid flow controlling structure, formed in the fluidic cartridge, which restricts a flow of a fluid through the reaction chamber to one direction. The apparatus further comprises a linear actuator for providing a pumping action in the pump chamber to pump the fluid to flow between the open reservoir and reaction chamber via the plurality of channels and pump chamber.
Owner:AST MANAGEMENT
Uracil-DNA glycosylase of psychrobacter sp. HJ147 and use thereof
ActiveUS20080299609A1Eliminating contamination carry-overEliminating cross contaminationBacteriaSugar derivativesEscherichia coliPsychrobacter sp.
The present invention provides uracil-DNA glycosylase (UDG) gene originating from Psychrobacter sp. HJ147, and amino acid sequences deduced from the gene; expression and purification of Psp HJ147 UDG gene in Escherichia coli; and characterization of UDG obtained therefrom, and the use thereof in a polymerase chain reaction (PCR). The UDG according to the present invention has a specific activity of excising uracil bases in a uracil-containing DNA substrates at a low temperature, and is easily heat-inactivated. It thus can effectively eliminate cross contamination and carry-over contamination of PCR templates often occurring after a PCR process using dUTP. Therefore, it is useful for increasing preciseness (elimination of false positives), purity and amplification efficiency of PCR.
Owner:RES & BUSINESS FOUND SUNGKYUNKWAN UNIV
Damascene copper wiring image sensor
ActiveUS7193289B2Eliminate contaminationHigh light sensitivitySolid-state devicesSemiconductor/solid-state device manufacturingSensor arrayLight reflection
An image sensor array and method of fabrication wherein the sensor includes Copper (Cu) metallization levels allowing for incorporation of a thinner interlevel dielectric stack with improved thickness uniformity to result in a pixel array exhibiting increased light sensitivity. In the sensor array, each Cu metallization level includes a Cu metal wire structure formed at locations between each array pixel and, a barrier material layer is formed on top each Cu metal wire structure that traverses the pixel optical path. By implementing a single mask or self-aligned mask methodology, a single etch is conducted to completely remove the interlevel dielectric and barrier layers that traverse the optical path. The etched opening is then refilled with dielectric material. Prior to depositing the refill dielectric, a layer of either reflective or absorptive material is formed along the sidewalls of the etched opening to improve sensitivity of the pixels by either reflecting light to the underlying photodiode or by eliminating light reflections.
Owner:SMARTSENS TECH (HK) CO LTD
Damascene copper wiring optical image sensor
ActiveUS20070114622A1Eliminate contaminationHigh light sensitivitySolid-state devicesSemiconductor/solid-state device manufacturingDielectricCopper-wiring
A CMOS image sensor array and method of fabrication wherein the sensor includes Copper (Cu) metallization levels allowing for incorporation of a inner interlevel dielectric stack with improved thickness uniformity to result in a pixel array exhibiting increased light sensitivity. In the sensor array, each Cu metallization level includes a Cu metal wire structure formed at locations between each array pixel and, a barrier material layer is formed on top each Cu metal wire structure that traverses the pixel optical path. By implementing a single mask or self-aligned mask methodology, a single etch is conducted to completely remove the interlevel dielectric and barrier layers that traverse the optical path. The etched opening is then refilled with dielectric material. Prior to depositing the refill dielectric, a layer of either reflective or absorptive material is formed along the sidewalls of the etched opening to improve sensitivity of the pixels by either reflecting light to the underlying photodiode or by eliminating light reflections.
Owner:SMARTSENS TECH (HK) CO LTD
Method and apparatus for mass spectrometry analysis of aerosol particles at atmospheric pressure
InactiveUS20050035285A1Maximize efficiencyMinimizes sample lossRadiation pyrometryTime-of-flight spectrometersPhysicsAerosol beam
An apparatus and method for generating ions from an aerosol and transferring the ions into a mass analyzer. In the apparatus and method, an aerosol beam is generated, the aerosol beam is directed to a spatial volume outside the mass analyzer, particles in the aerosol beam are ionized to produce the ions, and the ions are collected into the mass analyzer. As such the apparatus includes respectively an aerosol beam generator, an ion source generator, and an ion collector.
Owner:SCI & ENG SERVICES
Miniaturized fluid delivery and analysis system
InactiveUS7186383B2Inexpensive to buildEasy to useBioreactor/fermenter combinationsBiological substance pretreatmentsPump chamberEngineering
An apparatus providing a fluidic cartridge including a first and second substrate and an intermediate interlayer is disclosed. The intermediate interlayer is sealedly interfaced between the first and second substrates to form therein a plurality of channels of capillary dimensions. The apparatus further includes an open reservoir, a pump chamber and a reaction chamber. The open reservoir and reaction chamber are each connected to the pump chamber through the channels. The open reservoir and reaction chamber are in fluid communication with each other via the channels. The apparatus further provides a fluid flow controlling structure, formed in the fluidic cartridge, which restricts a flow of a fluid through the reaction chamber to one direction. The apparatus further provides a linear actuator for providing a pumping action in the pump chamber to pump the fluid to recirculate from the reaction chamber to the open reservior via the channels and pump chamber.
Owner:AST MANAGEMENT
Heart valve support and storing lid system and methods associated therewith
ActiveUS7389874B2Eliminate pollutionEliminate contaminationDispensing apparatusDiagnosticsProsthesisBiomedical engineering
Systems and methods for supporting a replacement heart valve are presented herein. A bioprosthesis may be stored in a storage container by suspending the bioprosthesis from a support structure. The volume of storage solution may be reduced by using a lid with a boss extending therefrom to displace some of the volume of the storage container. The support structure may rest on the base of the storage container. Additionally, there may be a holder attached to the bioprosthesis above the support structure. The holder-bioprosthesis-support structure may be constrained between the lid and base of the storage container.
Owner:ST JUDE MEDICAL
Lock and release implant delivery system
ActiveUS20150157469A1Low priceSimple processInternal osteosythesisJoint implantsLocking mechanismMachining
Injection-molded devices and systems for graft or other tissue delivery, methods for their single-use in delivery of an implant, and kits for their sterile delivery to a practitioner are disclosed herein. Systems for implant delivery comprise an injection moldable implant body and an insertion device comprising: an inner and outer shaft that form a locking mechanism that secures an implant body in place and releases it upon placement within a patient. Systems are configured to be manufactured by injection molding, such that they can be cost-effectively manufactured and discarded after a single use to avoid costs and risks associated with re-sterilization and cleaning, but can in some cases optionally also be manufactured by machining to be re-sterilized and reused.
Owner:XENCO MEDICAL
Cap piercing station for closed container sampling system
InactiveUS6627156B1Eliminate contaminationAvoid pollutionWithdrawing sample devicesSupporting apparatusClot DetectionEngineering
A piercing station for piercing sample container caps or thick stoppers. The piercing station has a structural frame with two vertical guide rods. A carriage assembly is slidably mounted on the guide rods and is further driven to move up and down along the guide rods. The carriage assembly carries a blade holder, which in turn holds a piercing blade assembly. The blade assembly includes a center blade and two cross blades interlocked together, such that the blade assembly has a generally modified "H"-shaped cross section for piercing a cap on the sample container. Lubricant left in or on the sample container cap by the piercing station reduces the force required by the sample probe to penetrate thick stoppers for sample aspiration and level sensing. The "H"-shaped cut helps to equalize the pressure in the sample container during sampling, so that clot detection is more effective.
Owner:BECKMAN COULTER INC
Riser tensioner system
ActiveUS20120247783A1Decreases required vertical spacingMinimal vertical spacing of deckDrilling rodsFluid removalEngineeringFloating platform
A riser tensioner system maintains a tensile force in a riser having an axis and extending from a subsea wellhead assembly through an opening in a floating platform deck. The tensioner includes a plurality of tensioner legs having lower ends mounted to the deck, and upper ends having slots formed therein to receive leg attachment plates having an opening therein through which a tubular support ring passes. A plurality of cylinders extend between the tubular support ring and a tensioner ring and couple to the support ring with cylinder attachment plates through which the tubular support ring passes. An upper end of each cylinder pivots about the mounting point, and a lower end of each cylinder adjustably mounts to the tensioner ring.
Owner:THE TECH ALLIANCE INC DBA OILPATCH TECH
Heart valve support and lid liner system and methods
ActiveUS20060015177A1Simplify operating room procedureEliminate pollutionDispensing apparatusDiagnosticsBiological bodyProsthesis
Systems and methods for supporting a replacement heart valve are presented herein. A bioprosthesis may be stored in a storage container by suspending the bioprosthesis from a support structure. The volume of storage solution may be reduced by using a lid with a boss extending therefrom to displace some of the volume of the storage container. The support structure may rest on the base of the storage container. Additionally, there may be a holder attached to the bioprosthesis above the support structure. The holder-bioprosthesis-support structure may be constrained between the lid and base of the storage container.
Owner:ST JUDE MEDICAL
Process for polishing silicon wafers
InactiveUS20020055324A1Reduce roughnessReduce defective rateOther chemical processesSemiconductor/solid-state device manufacturingSiliconMaterials science
A process for the chemical-mechanical polishing of silicon wafers is by rotational movement of the silicon surface which is to be polished on a polishing plate which is covered with polishing cloth, with a continuous supply of an alkaline polishing agent which contains abrasives, at least 2 mum of material being removed from the polished silicon surface during the polishing. Immediately after the polishing has finished, and while maintaining the rotational movement, instead of the polishing agent at least two different stopping agents are supplied in succession, each removing less than 0.5 mum of material from the polished silicon surface.
Owner:WACKER SILTRONIC
Thermal strip thermocycler
ActiveUS7179639B2InexpensiveEasy to useBioreactor/fermenter combinationsHeating or cooling apparatusClassical mechanicsThermal cycler
This is a self-contained disposable thermal cycler device in which target sequence is amplified as the samples passes over a grid of alternating temperature and then at the completion of the reaction, the amplified material is captured by probes complementary to the targeted sequence. Since the device can be sealed and is disposable, it reduces the occurrence of cross contamination or specimen carry-over.
Owner:POTTATHIL RAVEENDRAN +1
Method and apparatus for decontamination of fluid
InactiveUS20060237318A1Lower performance requirementsEliminate contaminationSludge treatmentVolume/mass flow measurementHeavy metalsControl system
The invention relates to methods and devices for the decontamination of fluid, particularly the removal of heavy metals and / or arsenic and / or their compounds from water, by means of electrolysis, wherein the water to be purified subjected to electrodes of different polarities. The invention can include means for control of the pH of the fluid. The invention can also include control systems that allow self-cleaning of electrodes, self-cleaning of filters, and automatic monitoring of maintenance conditions.
Owner:ARS USA
Method and apparatus for mass spectrometry analysis of aerosol particles at atmospheric pressure
InactiveUS6943346B2Minimizes sample lossHigh sensitivityRadiation pyrometryTime-of-flight spectrometersMass Spectrometry-Mass SpectrometryIon transfer
An apparatus and method for generating ions from an aerosol and transferring the ions into a mass analyzer. In the apparatus and method, an aerosol beam is generated, the aerosol beam is directed to a spatial volume outside the mass analyzer, particles in the aerosol beam are ionized to produce the ions, and the ions are collected into the mass analyzer. As such the apparatus includes respectively an aerosol beam generator, an ion source generator, and an ion collector.
Owner:SCI & ENG SERVICES
Apparatus and method for ion mobility spectrometry and sample introduction
InactiveUS20120228490A1Simple introductionReduces and eliminates cross contaminationMaterial analysis by electric/magnetic meansIsotope separationESI mass spectrometrySimple sample
The IMS apparatus and methods described in this invention involve setting the ion detector at the highest potential of the drift tube and setting the ionization source at ground or near ground potential. The methods allow significantly simple sample introduction without the limitation of the high potential (voltage) concern of the front end sample delivery. The invention also describes bringing samples directly into the ion mobility drift tube. The invention further describes using single syringe for sample introduction via an electrospray ionization method.
Owner:EXCELLIMS CORP
Faucet assembly with insulating core
InactiveUS20130019977A1Eliminate metal contaminationEnsure human healthServomotor componentsDomestic plumbingHeat transmissionWater flow
A faucet assembly with an insulating core is disclosed. The insulating core has an inlet, an outlet and a socket portion communicating the inlet and the outlet, and is made of polyoxymethylene (POM). The faucet assembly has a controlling valve configured to be received in the socket portion for controlling the inlet and the outlet to communicate with or separate from each other and a metal body configured to contain the insulating core therein and having a knob for operating the controlling valve to communicate or separate the inlet and the outlet with or from each other, thereby allowing or disallowing water supply. The insulating core serves to insulate water flowing therethrough from the metal body thereof in terms of heat transmission and metal contamination.
Owner:KENT PLASTIC
Meat tenderizer with disposable face plates
InactiveUS7862408B1Good adhesionEasy to disassembleFish washing/descalingPoultry plucking mechanismsTime efficientEngineering
A meat tenderizer with disposable face plates requires that a fresh face plate be chosen for each use to prevent cross contamination from one use of the tenderizer to the next. The table or tables of the tenderizer head are flat and accept the face plates which may have a flat tenderizing surface or any of several textured tenderizing surfaces. The face plates are intended for a single use. Once used a face plate is discarded. The user selects the appropriate face plate for the task at hand, attaches it to the tenderizer and removes and discards it after use. Since a clean unused face plate is selected for each use, the tenderizer does not have to be washed between uses thereby saving time for the chef and providing a sanitary tenderizing surface for contact with the meat.
Owner:WEINSTEIN CORI
System and method for integrating multiple metal gates for CMOS applications
InactiveUS6873048B2Eliminate contaminationEliminate damageTransistorSemiconductor/solid-state device detailsMOSFETCMOS
A dual-gate MOSFET with metal gates and a method for setting threshold voltage in such a MOSFET is provided. The method comprises: forming a gate oxide layer overlying first and second channel regions; forming a first metal layer having a first thickness overlying the gate oxide layer; forming a second metal layer having a second thickness overlying the first metal layer first thickness; selectively removing the second metal layer overlying the first channel region; forming a third metal layer; establishing a first MOSFET with a gate work function responsive to the thicknesses of the first and third metal layer overlying the first channel region; and, establishing a second MOSFET, complementary to the first MOSFET, with a gate work function responsive to the combination of the thicknesses of the first, second, and third metal layers overlying the second channel region.
Owner:SHARP LAB OF AMERICA INC
Isolation chamber and method of using the isolation chamber to make solar cell material
InactiveUS20110189806A1Eliminate contaminationHigh pressureFinal product manufactureVacuum evaporation coatingEngineeringCell material
Apparatuses and methods are provided for the continuous formation of solar cell material including an isolation chamber that reduces cross contamination between adjacent formation zones that are at different pressures.
Owner:XUNLIGHT CORPORATION
Universal non-contact dispense peripheral apparatus and method for a primary liquid handling device
InactiveUS20070053798A1Allocation is accurateAvoid large quantitiesAnalysis using chemical indicatorsSequential/parallel process reactionsMicrotiter plateWorkspace
Owner:INNOVADYNE TECH
Process for preparing fermented soybean milk
InactiveUS6599543B1Long storageEliminate contaminationEdible seed preservationLactobacillusFood flavorLactobacillus acidophilus
Disclosed is a process for preparing a fermented soybean milk comprising the steps of: inoculating a lactic acid bacterium of the genus Bifidobacterium, Lactobacillus bulgaricus and one strain selected from the group consisting of Lactobacillus acidophilus and Lactobacillus casei into soybean milk, and fermenting the same. According to the process of the present invention, lactic acid bacteria fermented soybean milk with great flavor can be provided.
Owner:FUJI OIL CO LTD
Thin silicon wafer and method of manufacturing the same
InactiveUS20090256241A1Maintain flexural strengthLow flexural strengthSemiconductor/solid-state device manufacturingSemiconductor devicesWaferingCompound (substance)
A method of manufacturing a thin silicon wafer by slicing a silicon single crystal includes: a thinning step S3 of polishing a rear surface of the silicon wafer to reduce the thickness of the silicon wafer after a device structure is formed on a front surface of the silicon wafer; a mirror surface forming step S4 of processing the rear surface of the silicon wafer into a mirror surface using a chemical mechanical polishing method; and a modifying step S5 of dispersing abrasive grains that are harder than those used to form the mirror surface in the mirror surface forming process and forming a damaged layer, serving as a gettering sink for heavy metal, on the rear surface of the silicon wafer using the chemical mechanical polishing method. The thickness T5b of the damaged layer W5b in a wafer depth direction is set by the chemical mechanical polishing method in the modifying step S5 to control the gettering capability of the damaged layer.
Owner:SUMCO CORP
Valve Structure for Consistent Valve Operation of a Miniaturized Fluid Delivery and Analysis System
ActiveUS20100261193A1Improve consistencyImprove reliabilityBioreactor/fermenter combinationsBiological substance pretreatmentsMiniaturizationEngineering
A valve structure of a fluid delivery and analysis system having an upper substrate, a lower substrate and an intermediate layer with at least one opening and at least one open cavity having a first touch point between the upper substrate and the intermediate layer and a second touch point between the lower substrate and the intermediate layer where the first touch point and the second touch point are offset to create a torque so that when intermediate layer is compressed between the upper substrate and the lower substrate that the torque deforms the intermediate rubber layer in the direction of the opening for better sealing.
Owner:WEBSTER JAMES RUSSELL +2
Cleaning method, method for fabricating semiconductor device and cleaning solution
InactiveUS6998352B2Removing metal contaminationEliminate contaminationDetergent mixture composition preparationSemiconductor/solid-state device manufacturingCleaning methodsMetal contamination
A cleaning solution having an oxidation-reduction potential lower than that of pure water and a pH value of 4 or below is used to remove metal contamination, thereby efficiently removing the metal contamination adhered onto a surface of a substrate without damaging an underlayer.
Owner:RENESAS ELECTRONICS CORP
System and method for preparing a shelf-stable botanical extract
InactiveUS20120251665A1Effective sterilizationImprove productivityMilk preparationAnimal feeding stuffChemistryThermal decomposition
A system and method for processing a plant material derived juice, comprising, substantially without a required pH modification, and substantially without a thermal antimicrobial process extracting a juice from plant material with a juice extractor, and filtering the juice through at least two tangential flow filter stages having a pore size of less than about 0.2 microns, to produce a substantially aseptic juice, which is substantially absent thermal decomposition products of sugars.
Owner:KANASAO
Elimination of contaminants associated with nucleic acid amplification
InactiveUS20110003700A1Eliminate carry-over contaminationEliminate carry-over contaminantsMicrobiological testing/measurementLibrary screeningMicrobiologyEnzyme
Use of a non-natural base with an enzyme capable of degrading a nucleic acid containing a non-natural base in an amplification reaction to eliminate carry-over contaminants in the amplification reaction.
Owner:HUMAN GENETIC SIGNATURES PTY LTD
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