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| Number | Title | Issue Date |
| 8139224 | Particle concentration detecting device A particulate concentration detector including a detection mechanism having a light emission unit and light reception unit. The particulate concentration detector detects the concentration of particulates suspended in a liquid from the light amount detected by the d... | 03/20/2012 |
| 8068227 | Methods and apparatus for measuring the concentration of a substance in a solution The present invention relates to methods and apparatus for detecting and measuring the concentration of a substance in a solution, the substance having an absorption at 300 nm or less. The methods and apparatus have particular utility in detecting and measuring the ... | 11/29/2011 |
| 8045167 | Determining solid concentration of an ink The present disclosure is drawn to methods, devices, and systems for determining solid content of inks, including a device comprising a chamber configured to hold an ink sample having ionic particulates in a liquid vehicle, a first opening in the chamber for filling... | 10/25/2011 |
| 7859672 | Optical element, sensor device, manufacturing method of optical element, detection element, target substance measuring device and detection method An optical element of the present invention includes a conductive microstructure having a conductive property, and detects an optical spectrum signal varied by the binding of measured molecules on the surface of the conductive microstructure. The optical element has... | 12/28/2010 |
| 7688449 | Microchip testing device An absorptiometry microchip testing device with which, after one-time startup, test results of blood analyses are automatically obtained without a special tester. The microchip testing device has a rotary drive source which can be stopped at a prescribed angle; a ce... | 03/30/2010 |
| 7538880 | Turbidity monitoring methods, apparatuses, and sensors Semiconductor processors, sensors, semiconductor processing systems, semiconductor workpiece processing methods, and turbidity monitoring methods are provided. According to one aspect, a semiconductor processor includes a process chamber configured to receive a semi... | 05/26/2009 |
| 7400407 | Meter for measuring the turbidity of fluids using reflected light A meter for measuring the turbidity of a fluid includes a light source for directing a light beam through a fluid under test towards a reflective surface and a sensor for detecting light reflected from the reflective surface and passing back through the fluid under ... | 07/15/2008 |
| 7397566 | Method and apparatus for optical interactance and transmittance measurements A method, system and apparatus for improving at least one of a) optical interactance measurements, b) optical transmittance measurements and c) optical reflectance measurements. The apparatus has a probe having a body portion and an tip portion. The body portion has... | 07/08/2008 |
| 7372562 | Dynamic random separation among nanoparticles for nano enhanced Raman spectroscopy (NERS) molecular sensing A system for performing nanostructure-enhanced Raman spectroscopy (NERS) includes a radiation source, a radiation detector configured to detect Raman scattered radiation scattered by an analyte, and a container configured to provide a sealed enclosure. The NERS syst... | 05/13/2008 |
| 7365852 | Methods and systems for selecting pathlength in absorbance measurements Methods and sub-systems for substantially optimizing the absorbance measurement in optical instruments are provided. A method comprises forming a liquid sample into a droplet extending between two opposing surfaces, passing a light beam through the sample, and varyi... | 04/29/2008 |
| 7362429 | Opaque additive to block stray light in amorphous fluoropolymer light-guiding flowcells The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More specifically, the present invention relates to the use of carbon-doped ... | 04/22/2008 |
| 7342660 | Detection system and method for aerosol delivery An apparatus comprises a detector, a pressure sensor and a processor. The detector is operable to detect light that is scattered by an aerosol that is associated with a pressure. The pressure sensor is operable to measure the pressure. The processor is coupled to th... | 03/11/2008 |
| 7333206 | Light scatter measurement apparatus and method In accordance with an embodiment of the present invention, an apparatus for measuring light scatter loss from a test piece includes a light source, an optical cavity including the test piece and at least one mirror located along a path, and a light detector. The cav... | 02/19/2008 |
| 7330262 | Methods and apparatus for determining the content materials of a liquid employing a piston movable within a measuring chamber The contents of a liquid medium are determined using a light source and an optical detector, for example a spectrometer. A longitudinally displaceable piston sucks the medium into a cylindrical glass measuring chamber and evacuates the liquid from the chamber. At le... | 02/12/2008 |
| 7328059 | Imaging of light scattering tissues with fluorescent contrast agents A system and method for non-invasive biomedical optical imaging and spectroscopy with low-level light is described. The technique includes a modulated light source coupled to tissue to introduce excitation light. Fluorescent light emitted in response to the excitati... | 02/05/2008 |
| 7316515 | Liquid processing apparatus processing a substrate surface with a processing liquid, liquid processing method, and liquid condition detection apparatus detecting fluctuation of the processing liquid In a liquid processing apparatus a spin chuck holds a wafer having a surface supplied with a liquid to be applied through a nozzle receiving the liquid through a feed path and whether the liquid passing through the feed path has fluctuation is detected by a fluctuat... | 01/08/2008 |
| 7295585 | Method for noise cancellation by spectral flattening of laser output in a multi-line-laser instrument An improved method of subtracting laser amplitude fluctuations from a desired signal in a multi-line laser system and a detection system having improved noise cancellation are provided. This invention reduces the noise contribution from laser amplitude fluctuations ... | 11/13/2007 |
| 7271381 | Device to detect individual moving objects having very small dimensions The invention relates to a device to detect individual moving objects having very small dimensions. The device according to the invention comprises a photo electric sensor having at least one light beam transmitter and one light beam receiver, the objects that are t... | 09/18/2007 |
| 7268873 | Method for characterising particles in suspension from frequency domain photon migration measurements Methods are provided for measuring isotropic scattering coefficients of suspensions using multiply scattered radiation that is modulated in amplitude at selected modulation frequencies. The radiation may be light. Quantities describing diffusion of the multiply scat... | 09/11/2007 |
| 7201875 | Fixed mounted sorting cuvette with user replaceable nozzle A flow cell and flow cytometer in which a nozzle at the end of a flow channel is disposed on a removable substrate held at a registered location on a flow cell. Other elements including illumination optics, light collection optics, and the flow cell may then be posi... | 04/10/2007 |
| 7187441 | Particle analysis system and method A system (20) and method are disclosed for the self-calibrating, on-line determination of size distribution f(x) and volume fraction φ of a number of particles (P) dispersed in a medium (M) by detecting one or more propagation characteristics of multi... | 03/06/2007 |
| 7180591 | Semiconductor processors, sensors, semiconductor processing systems, semiconductor workpiece processing methods, and turbidity monitoring methods Semiconductor processors, sensors, semiconductor processing systems, semiconductor workpiece processing methods, and turbidity monitoring methods are provided. According to one aspect, a semiconductor processor includes a process chamber configured to receive a semi... | 02/20/2007 |
| 7162896 | Apparatus for checking the formation of scale, and water-carrying appliance An apparatus allows monitoring the formation of scale. The apparatus makes it possible to determine the degree of water hardness or a tendency of the degree of water hardness to change over time and to take measures for adjusting the desired degree of water hardness... | 01/16/2007 |
| 7149396 | Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material. The non-solid core layer has an index of refraction which is lower than the index of refraction of the surrounding solid-state material, and light can ... | 12/12/2006 |
| 7145653 | In situ particle monitoring for defect reduction A system and method is provided for monitoring and controlling the contaminant particle count contained in an aerosol during a photoresist coating and/or development process of a semiconductor. The monitoring system monitors the contaminate particle count present in... | 12/05/2006 |
| 7145165 | Tunable laser fluid sensor A sensitive fluid sensor for detecting fluids and particularly trace fluids. The sensor may be adjustable for detecting fluids of various absorption lines. To effect such adjustment, a tunable laser may be used. The laser may be an edge emitting diode, a VCSEL or ot... | 12/05/2006 |
| 7142305 | Microchemical system There is provided a microchemical system which dispenses with the optical axis alignment and positioning of the focal point of the detecting light and that of the exciting light, and is capable of carrying out measurement with high sensitivity. The microchemical sys... | 11/28/2006 |
| 7142307 | Method and apparatus for optical interactance and transmittance measurements Apparatus and a method are disclosed for the simultaneous or rapid sequential use of two or more different separations between the source and detector of the measuring apparatus to obtain spectral measurement data in diffuse transmission or “interaction” modes o... | 11/28/2006 |
| 7099012 | In-line spectrometer Some embodiments of the invention provide an improved spectrometer that measures light emissions and/or reflection from a non-solid material that flows through a system of pipes. This spectrometer is designed to fit into a standard pipe system. The material flows pa... | 08/29/2006 |
| 7090808 | Apparatus for testing sterilization methods and materials Apparatus and method for testing one or more sterilization indicators (e.g., biological indicators or chemical indicators) or other articles by contacting them under controlled sterilization conditions with a flowing antimicrobial gas containing hydrogen peroxide va... | 08/15/2006 |
| 7079315 | Thermal lens microscope device A small and portable microscope for ultramicroanalysis has an excellent spatial resolution and fixed position analyzing ability. The microscope has at least a part of an excitation light source, a part of a probe light source and a part of a thermal lens microscope ... | 07/18/2006 |
| 7079243 | Method of noise cancellation in an unpolarized-laser instrument A method of noise reduction in a system where polarization mode fluctuations contribute to the noise in a signal is provided. Specifically, a corrected signal is formed by adjusting the relative and overall intensity of the orthogonal polarization components of an u... | 07/18/2006 |
| 7061597 | Endoscope reprocessing and sterilization system A system for reprocessing and sterilizing a previously used endoscope having at least one lumen is disclosed. The reprocessing system includes a reaction chamber into which individual chemical components of a sterilant are transferred by pneumatic force. The system ... | 06/13/2006 |
| 7057729 | Photothermal conversion spectroscopic analysis method, and photothermal conversion spectroscopic analysis apparatus for carrying out the method There is provided that enables high-sensitivity analysis to be carried out, and a photothermal conversion spectroscopic analysis apparatus that is compact in size and is able to implement the photothermal conversion spectroscopic analysis method. Exciting light and ... | 06/06/2006 |
| 7054002 | Characterization of luminescence in a scattering medium A system (20) of the present invention includes light source instrumentation (30) to selectively illuminate a light scattering medium including a luminophore and detection instrumentation (50) to detect multiply scattered light output from the m... | 05/30/2006 |
| 7046347 | Instrument with colorimeter and sensor inputs for interfacing with a computer An array of multiple light-emitting diodes each having a different wavelength are equally spaced around a tubular sample holder facing inwardly. A photo-diode light sensor that detects light transmitted through the sample is mounted to the tubular sample holder at a... | 05/16/2006 |
| 6998021 | Arrangement for paper machine, and blow box In a paper machine which comprises process elements and a measuring beam, the measuring beam is arranged at least at one paper machine process element so that a measuring device for measuring quality properties of a paper web is arrangeable in the measuring beam. Th... | 02/14/2006 |
| 6970248 | Method for the detection of product transitions in liquid piping systems A method for detecting a characteristic of a flow of a liquid in a pipe for intended use in determining a transition among or between two products forming the flow is disclosed. The method may comprise obtaining a first signal representative of the characteristic of... | 11/29/2005 |
| 6956648 | Miniaturized spectrometer Miniaturized spectrometer in the form of a probe for determining ingredients of a gaseous or liquid fluid with a light source and a spectrometer, at least one measurement beam, and at least one reference beam. Light from the light source is optionally fanned out and... | 10/18/2005 |
| 6930778 | Microchemical system A microchemical system is provided, which can improve the working efficiency of the user and can be designed compact in size. The microchemical system is provided with an optical fiber 10 with a gradient index rod lens 102 mounted on an end thereof. Th... | 08/16/2005 |
