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| Number | Title | Issue Date |
| 8154273 | Detecting and handling coincidence in particle analysis Methods and systems substantially eliminate data representative of coincident events from particle analyzer data. A fluid sample containing particles for analysis is prepared. Using an electrical or optical measurement device, signals are sensed. Each signal corresp... | 04/10/2012 |
| 8102170 | Method for counting and validating articles, in particular pharmaceutical articles, and an apparatus for actuating the method A method for counting and validating discrete articles to be introduced into containers, and an apparatus for actuating the method, which method includes distancing the articles from one another in a thinning-out section, and making the articles cross a detection zo... | 01/24/2012 |
| 7928718 | Method for calibrating a particle counting apparatus A method of calibration of a particle characterization apparatus, and a particle characterization apparatus, in which particles suspended in a liquid are passed through an orifice one by one for characterization of the particles, for instance by Coulter counting. Th... | 04/19/2011 |
| 7872466 | Resistive particle sensors having measuring electrodes A sensor for determining the concentration of particles in gases, in particular of soot particles, has at least one substrate element, and a measuring area between at least one first and one second measuring electrode, the two measuring electrodes being configured s... | 01/18/2011 |
| 7821248 | Device and method for counting elementary particles emitted by a fluid in a conduit The invention relates to a device and a method for counting elementary particles emitted by a fluid, the device comprising a line for transferring the fluid and, outside the line, detection means (6a) for detecting the particles that are attenuated by ... | 10/26/2010 |
| 7777476 | Dynamic modulation for multiplexation of microfluidic and nanofluidic based biosensors The present invention generally relates to a method for rapidly counting micron and/or submicron particles by passing such particles through any of a plurality of microfluidic channels simultaneously with an ion current and measuring the signal generated thereby. Th... | 08/17/2010 |
| 7656146 | Particle analyzer based on sheath flow impedance method The application provides a particle analyzer based on sheath flow impedance method comprising a flow cell and a counting circuit, wherein the flow cell includes a front chamber and a back chamber, the front chamber includes a particle suspension liquid inlet and a f... | 02/02/2010 |
| 7567072 | Real-time monitoring of particles in semiconductor vacuum environment An apparatus includes semiconductor processing equipment. A particle detecting integrated circuit is positioned in a vacuum environment, the particle detecting integrated circuit containing a device having a pair of conductive lines exposed to the vacuum environment... | 07/28/2009 |
| 7521915 | Wafer bevel particle detection An apparatus adapted to detect a particle present on a bevel of a wafer. The apparatus includes a substrate support and a sensor housing adapted to receive an edge of the wafer. The sensor housing includes one or more probe electrodes and one or more position sensor... | 04/21/2009 |
| 7471076 | Apparatus for measuring numbers of particles and method thereof The present invention discloses apparatus and method for rapidly and easily measuring the numbers and size distribution of low concentration particles which exist in a clean space such as a clean room. The apparatus and method according to the present invention meas... | 12/30/2008 |
| 7459896 | Electrode configuration for LiMCA The present invention provides a method and apparatus for reducing electromagnetic noise pick up in a Liquid Metal Cleanliness Analyzer (LiMCA), used to detect and measure particles in molten metal. An first electrode inserted in the molten metal is electrically ins... | 12/02/2008 |
| 7437908 | Particle counter A particle counter has a saturator inhaling air in an atmosphere and vaporizing a working liquid therein; and an electrical detection unit electrically shielding an internal space thereof to maintain a temperature of the space to be constant, the air and vaporized w... | 10/21/2008 |
| 7420360 | Method and apparatus for particle counting and size measurement An improved electrical sensing zone apparatus and method for counting and measuring size of particles suspended in a diluted electrolytic solution. The apparatus includes an aperture that is optimized with the use of double or single tapered shapes that approximate ... | 09/02/2008 |
| 7397232 | Coulter counter having a plurality of channels The present invention generally relates to a method for rapidly counting micron and/or submicron particles by passing such particles through any of a plurality of orifices simultaneously with an ion current and measuring the signal generated thereby. The present inv... | 07/08/2008 |
| 7332902 | Micro sensor for electrochemically monitoring residue in micro channels The present invention provides a micro sensor for monitoring the cleaning and drying processes for very high aspect ratio micro channels in dielectric films oriented parallel to the fluid-solid interface during the manufacture of ICs, MEMS and other micro-devices. T... | 02/19/2008 |
| 7318338 | Measuring device for measuring aerosol The invention relates to a measuring device for measuring aerosols, which measuring device comprises detection means (13), means (41) for conveying a signal from the detection means (13), a first insulation (43), a second insulation (4... | 01/15/2008 |
| 7311476 | Multilayer hydrodynamic sheath flow structure A microfabricated sheath flow structure for producing a sheath flow includes a primary sheath flow channel for conveying a sheath fluid, a sample inlet for injecting a sample into the sheath fluid in the primary sheath flow channel, a primary focusing region for foc... | 12/25/2007 |
| 7298486 | Aerosol mobility size spectrometer A device for measuring aerosol size distribution within a sample containing aerosol particles. The device generally includes a spectrometer housing defining an interior chamber and a camera for recording aerosol size streams exiting the chamber. The housing includes... | 11/20/2007 |
| 7298127 | Particle detection Particle detection and characterizing apparatus has an insulating tube along which the particles flow. Five electrodes spaced along the outside of the tube are connected via amplifiers to a processor arranged to measure the charge on the particles. The apparatus als... | 11/20/2007 |
| 7294249 | Microfluidic component and method for sorting particles in a fluid Microtechnologically prepared component as a flow cytometer. The component contains a preparation area to specifically influence and separate the particles, preferably by dielectrophoresis, a measuring channel area for characterizing the particles, and a sorting are... | 11/13/2007 |
| 7288219 | Method and apparatus for size measurement of particles of carbon black Improvements to the electrical sensing zone instrument are described that allow the good accuracy of this type of instrument to be applied to the measurement of the size of particles of carbon black. The improvements include a concentrated aqueous electrolyte contai... | 10/30/2007 |
| 7279883 | Particle analyzer and methods for use thereof A quantitative microchip Coulter counter is provided for use in detecting and measuring particles or macromolecules. The device comprises a conduit, a fluid handling system, and a measurement system. Preferably, the conduit is at least in part formed from an elastom... | 10/09/2007 |
| 7262603 | System and method for sensing the formation of tin whiskers A system and method for sensing the formation of tin whiskers is presented. An assembly substrate includes whisker detectors at various locations for detecting tin whiskers in an X direction, a Y direction, and a Z direction relative to the assembly substrate. Each ... | 08/28/2007 |
| 7250775 | Microfluidic devices and methods based on measurements of electrical admittance Microfluidic devices and methods that use electrical admittance as the basis for measuring flow rate of fluids and/or for distinguishing (e.g., characterizing, sorting, separation, etc.) different particles, chemical compositions or biospecies (e.g., different cells... | 07/31/2007 |
| 7242020 | Real-time monitoring of particles in semiconductor vacuum environment An apparatus includes semiconductor processing equipment. A particle detecting integrated circuit is positioned in a vacuum environment, the particle detecting integrated circuit containing a device having a pair of conductive lines exposed to the vacuum environment... | 07/10/2007 |
| 7239121 | Quantative extraction of micro particles from metallic disk spacer rings Embodiments of the present invention include a method for quantitatively detecting embedded particles of a disk spacer ring comprising. The method includes dissolving a layer of a disk spacer ring into a liquid solution, the disk spacer ring layer comprising embedde... | 07/03/2007 |
| 7234414 | Mastitis detection Method and apparatus for testing a milk for mastitis wherein the milk sample is admixed with a detergent under condition that increase the viscosity of the milk sample; the increased viscosity mixture is subjected to a further procedure for further increasing its vi... | 06/26/2007 |
| 7221453 | Optical apparatus Various optical apparatus provide a source of parallel light (7, 75). The parallel light (7, 75) is generally achieved by directing an incident beam at the apex of a prism (1, 22, 24, 26, 28). The prism may have varying configurations. One confi... | 05/22/2007 |
| 7201042 | Measuring instrument provided with solid component concentrating means The present invention relates to a measuring instrument (1) comprising a channel (60) for moving a sample liquid (BL) containing a solid component (B1) and providing a liquid reaction field and first and second electrodes (31, 32) which a... | 04/10/2007 |
| 7159443 | Simple dissolved carbon dioxide analyzer The present invention relates to a new concept in measuring the dissolved gas levels in supersaturated liquid streams. In particular, the new device is specifically applicable to the measurement of carbonation levels in soft drinks. The measurement is made by permit... | 01/09/2007 |
| 7157897 | Method and system for electronic detection of mechanical perturbations using BIMOS readouts A sensor for detecting mechanical perturbations represented by a change in an electrical signal includes a structure such as a cantilever, membrane, etc. and a field effect transistor such as a MOSFET embedded in the structure. The drain current of the embedded tran... | 01/02/2007 |
| 7145320 | Particle counting method and particle counter A particle counter counts particles in aerosol having a particle size of from 2 nm to 50 nm in an operating pressure range from an atmospheric pressure through a reduced pressure to a low vacuum and calculate a particle size distribution. The particle counter charge... | 12/05/2006 |
| 7140266 | Device for determining the size distribution of aerosol particles The invention relates to a device (30) for determining the size distribution of aerosol particles from a flow (11), the device (30) comprising an electric mobility analyzer (10) and an impactor (20), connected to each other in such... | 11/28/2006 |
| 7135294 | Method for detecting PCR product using electrical signal A method for detecting a polymerase chain reaction (PCR) product is provided. The method includes (a) providing at least a pair of electrodes in a PCR solution-containing vessel; (b) performing PCR; (c) producing an electric field between the electrodes; and (d) mea... | 11/14/2006 |
| 7065454 | Analysis of particles in fluid A method is disclosed for acquisition and analysis of condition monitoring data. Alarm and alert levels are set to proper levels and information regarding the frequency and cause for alerts is collected. Analysis of the information may then be performed to provide a... | 06/20/2006 |
| 7049593 | Superconducting single photon detector A single-photon detector includes a superconductor strip biased near its critical current. The superconductor strip provides a discernible output signal upon absorption of a single incident photon. In one example, the superconductor is a strip of NbN (niobium nitrid... | 05/23/2006 |
| 7041208 | Microfluidic devices and methods for two-dimensional separations A microfluidic device includes first and second substrates and a microfluidic cavity formed in one of the first and second substrates. The microfluidic cavity has a width (W) and a depth (D), wherein the other of the first and second substrates encloses the microflu... | 05/09/2006 |
| 7038460 | Electrostatic dust detector An apparatus for detecting dust in a variety of environments which can include radioactive and other hostile environments both in a vacuum and in a pressurized system. The apparatus consists of a grid coupled to a selected bias voltage. The signal generated when dus... | 05/02/2006 |
| 7024316 | Transiently dynamic flow cytometer analysis system A flow cytometry apparatus and methods to process information incident to particles or cells entrained in a sheath fluid stream allowing assessment, differentiation, assignment, and separation of such particles or cells even at high rates of speed. A first signal pr... | 04/04/2006 |
| 7013949 | Metal flow control A method and a system are for the control of a gas-containing hidden flow of molten metal in a space defined by a tubular device. From measurements in at least one predetermined layer of the metal flow in the space, an indication is obtained of the appearance of the... | 03/21/2006 |
