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8182142 |
Temperature measuring apparatus and temperature measuring method
A temperature measuring apparatus includes a light source, a first splitter, a second splitter, a reference beam reflector, an optical path length adjuster, a reference beam transmitting member, a...
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8175368 |
Systems and methods for image segmentation with a multi-state classifier
The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is...
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8157439 |
Methods for determining wafer temperature
Methods and apparatus for wafer temperature measurement and calibration of temperature measurement devices may be based on determining the absorption of a layer in a semiconductor wafer. The...
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8096704 |
Extreme temperature robust optical sensor designs and fault-tolerant signal processing
Silicon Carbide (SiC) probe designs for extreme temperature and pressure sensing uses a single crystal SiC optical chip encased in a sintered SiC material probe. The SiC chip may be protected for...
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8050884 |
Method and apparatus for determining the emissivity, area and temperature of an object
Methods and apparatus are provided to determine the emissivity, temperature and area of an object. The methods and apparatus are designed such that the emissivity and area of the object may be...
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8033716 |
Refrigeration temperature monitoring system and associated temperature display
The invention is a system for monitoring a plurality of cold cases located in a retail food establishment. The system employs a wireless mesh network, which uses monitoring computers in...
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8021898 |
Method and apparatus for controlled thermal processing
A materials processing system comprises a thermal processing chamber including a heating source, a first noncontacting thermal measurement device positioned to measure temperature on a first area...
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8011827 |
Thermally compensated dual-probe fluorescence decay rate temperature sensor
The present invention provides a dual-probe thermally compensated fluorescence decay rate temperature sensor capable of measuring the true temperature of a sample surface and its associated method...
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7995195 |
Method of optically monitoring the progression of a physical and/or chemical process taking place on a surface of a body
The invention relates to a method for optically monitoring the progression of a physical and/or chemical process taking place on a surface of a body in which the surface radiation which emanates...
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7929123 |
Method and apparatus for measuring insertion loss in a fiber optic cable connection
A method and apparatus for measuring the insertion loss of a fiber optic connection is provided. The invention generally comprises a light source providing light to a test connector which contains...
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7789556 |
Thermally compensated dual-probe fluorescence decay rate temperature sensor and method of use
The present invention provides a dual-probe thermally compensated fluorescence decay rate temperature sensor capable of measuring the true temperature of a sample surface and its associated method...
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7758696 |
Methods and systems for monitoring a solid-liquid interface
Methods and systems are provided for monitoring a solid-liquid interface, including providing a vessel configured to contain an at least partially melted material; detecting radiation reflected...
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7717617 |
Multiple band pass filtering for pyrometry in laser based annealing systems
A thermal processing system includes a source of laser radiation emitting at a laser wavelength, beam projection optics disposed between the reflective surface and a substrate support capable of...
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7585107 |
Corrected DTS measurements based on Raman-Stokes signals
Methods and apparatus allowing distributed temperature sensing (DTS) measurements to be compensated for differential and/or varying loss between Raman Stokes and anti-Stokes signals are provided....
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7543981 |
Methods for determining wafer temperature
Methods and apparatus for wafer temperature measurement and calibration of temperature measurement devices may be based on determining the absorption of a layer in a semiconductor wafer. The...
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7507022 |
Apparatus for measuring temperature using luminescence thermometry
An apparatus (10) for measuring temperature using luminescence thermometry, comprising: a photon emitter (42) for providing photons (3) of at least a first frequency; photoluminescent material (30)...
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7484885 |
Thermal imager having sunlight exposure protection mechanism
A thermal imaging apparatus comprises a housing defining an entrance pupil for ingress of imaging radiation. At least one light sensor is positioned forward of the entrance pupil. An electronic...
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7445384 |
Pyrometer
The invention provides an apparatus for measuring the temperature of a molten bath comprising a) a refractory mounting sleeve (1,1′) having an outer surface (2) for contacting the molten bath and a...
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7438468 |
Multiple band pass filtering for pyrometry in laser based annealing systems
A thermal processing system includes a source of laser radiation emitting at a laser wavelength, beam projection optics disposed between the reflective surface and a substrate support capable of...
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7435010 |
High temperature light guide
Disclosed is a method of forming an optical monitoring or transmitting light guide and a resulting apparatus that begins by bonding a bundle of optical fibers together using an epoxy and polishing...
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7283218 |
Method and apparatus for the determination of characteristic layer parameters at high temperatures
A method for the determination of characteristic layer parameters by means of spectral-optical measurements, that allow for precise measurements of the sample temperature even under the conditions...
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7177016 |
Electronic surveying apparatus
An electronically surveying apparatus of the present invention includes a storing portion for storing positional information of a surveying apparatus body and design data; an angle-measuring...
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7091254 |
Analytical instruments for monitoring photopolymerization
An apparatus for continuously monitoring a photopolymerization reaction in real time by optical pyrometry includes a housing having a chamber; a sample mount that may be disposed within the...
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7075629 |
High temperature pyrometer
A pyrometer having at least two detectors and at least two band-pass filters near each to limit the detectable wavelength band emitted by an object, and a device to exchange their filters to...
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6909495 |
Emissivity probe
An emissivity probe for measuring reflected energy from interior wall surfaces of large scale boilers. The emissivity probe uses a pair of light guides which respectively receive light energy from...
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6894179 |
Metallocene compositions
This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene...
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6876442 |
Method of calibrating and using a semiconductor processing system
A method is provided wherein a temperature reading error of a pyrometer is avoided. An upper pyrometer is used to detect infrared radiation from a test layer formed on a test substrate under...
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6843202 |
Thermal processing apparatus for substrate employing photoirradiation
A lamp house storing a plurality of flash lamps and a chamber storing and holding a semiconductor wafer are fitted to each other in an openable/closable manner. The lamp house and the chamber are...
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6796144 |
System and method for glass processing and temperature sensing
Techniques for measuring the temperature at various locations through the thickness of glass products and to control the glass processing operation with the sensed temperature information are...
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6791675 |
Optical waveguide path, manufacturing method and coupling method of the same, and optical waveguide path coupling structure
An optical waveguide path coupling structure is realized without requiring highly accurate alignment. In an optical waveguide path coupling structure, a first optical waveguide path arranged on an...
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6671043 |
Process and apparatus for measuring density fluctuations occurring with pulsed irradiation of a material
A process and an apparatus preferably used during the photocagulation of the fundus of human eyes or animals measures density fluctuations caused by pulsed irradiation, such as a laser irradiation...
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6641301 |
Radiation detector with passive air purge and reduced noise
A method and apparatus for maintaining a viewing window of a detector substantially clean includes enclosing the detector within a housing, and moving a target surface relative to the viewing...
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6630991 |
Thermal processing apparatus
A method of detecting a temperature of an object in a multiple-reflection environment by a radiation pyrometer includes the steps of detecting a radiation strength emitted from a target region of...
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6579005 |
Utilization of pyrometer data to detect oxidation
A method for determining oxidation in turbine buckets allows for conditional based maintenance of the turbine buckets. The method includes measuring a temperature of a turbine bucket and comparing...
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6413393 |
Sensor including UV-absorbing polymer and method of manufacture
A sensor is provided that includes at least one functional coating layer that includes a UV-absorbing polymer. Methods for making the inventive sensors are also provided.
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6398406 |
Temperature determination using pyrometry
A method for determining the temperature of a surface upon which a coating is grown using optical pyrometry by correcting Kirchhoff's law for errors in the emissivity or reflectance measurements...
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6293696 |
System and process for calibrating pyrometers in thermal processing chambers
A method and system for calibrating radiation sensing devices, such as pyrometers, in thermal processing chambers are disclosed. The system includes a reflective device positioned opposite the...
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6164816 |
Tuning a substrate temperature measurement system
A technique and system for tuning temperature sensor readings in a thermal processing chamber includes determining an actual temperature profile for a substrate based on measurements of the...
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6122041 |
Liquid cooled light pipe assembly for pyrometric temperature measurement
A liquid cooled light pipe is disclosed which allows effective pyrometric temperature measurements using a remote detector. Temperature of the light pipe assembly is controlled and maintained at an...
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6108072 |
Protection for optical sensors in industrial applications
This invention describes method and apparatus for protecting optical sensors in harsh industrial environments, particularly welding and machining. In a preferred embodiment, a sacrificial window is...
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6057917 |
Optical sensing and control of ultraviolet fluid treatment dynamics
An ultra violet light sterilizing apparatus utilizing a silicon carbide (SiC) photodiode sensor is described. The ultraviolet light fluid sterilization apparatus includes a fluid chamber, at least...
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6023325 |
Arrangement for sensing elastic deformation in a tool stem in a machine tool
There is shown an arrangement for detecting elastic deformation of a tool shaft carried by a machine tool and, in turn, carrying a cutting bit. An optical fibre section is mounted in or on the...
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6016190 |
Method and apparatus for true temperature determination
A method of true temperature determination, including, (a) acquiring radiation emitted by an object at a plurality of wavelengths (50), (b) determining a characteristic of the acquired radiation...
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6003362 |
Apparatus for measuring the partial pressure of gases dissolved in liquids
An method and an apparatus for measuring the partial pressure of gases dissolved in liquids in plants for carrying out biotechnological and food technological processes includes a measuring space...
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5988874 |
Black body reference for RTA
A method for calibrating an optical pyrometer to an external reference point. By changing the focus of the optical pyrometer without physically moving the pyrometer, calibration of the optical...
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5986277 |
Method and apparatus for on-line monitoring the temperature and velocity of thermally sprayed particles
A method and an apparatus for monitoring simultaneously the temperature and velocity of a thermal spray jet. The apparatus has a sensor head directed at the jet, the sensor head having two optical...
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5963311 |
Surface and particle imaging pyrometer and method of use
An optical pyrometer and method of use provides a dual path optical system for processing light from a radiating stationary object or a moving thermal stream. Light is collected by primary optics...
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5876121 |
Substrate temperature measurement by infrared spectroscopy
The temperature of an infrared radiation scattering medium which contains water, for example, biological tissue and paper, cement and clay substrates, is determined by exposing the medium to...
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RE36050 |
Method for repeatable temperature measurement using surface reflectivity
A method is disclosed for continuously measuring the temperature of a semiconductor substrate in a chamber is disclosed. The first step of the method involves providing a substantially clean...
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5844668 |
Protection window for optical sensors in industrial applications
This invention describes a method and apparatus for protecting optical sensors in harsh industrial environments, particularly welding and machining. In a preferred embodiment, a sacrificial window...
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