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8167482 |
Thermography inspection of surface discontinuities
A method for detecting surface discontinuities in a test specimen. The method includes applying a one or more substances including a detection medium to the test specimen wherein the detection...
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8147130 |
Heat flux measurement device for estimating fouling thickness
A heat flux measurement device includes at least two thermocouples disposed within a front portion of the device at different axial distances from a front wall of the device. A correlation between...
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8147135 |
Methods and systems for verifying sensor bond integrity
Methods and systems are disclosed for determining an amount of bond between a structure and sensor. A method may include heating a sensor that is operably coupled to a measuring circuit and then...
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8128278 |
Methods and apparatus for thin metal film thickness measurement
A method for measuring a metal film thickness is provided. The method initiates with heating a region of interest of a metal film with a defined amount of heat energy. Then, a temperature of the...
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8055054 |
Method and apparatus for thermographic nondestructive evaluation of an object
A non-destructive evaluation system and method is provided for detecting flaws in an object. The system includes a lamp for impinging the object with optical pulses and a focal plane array camera...
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7976215 |
Apparatus and method for measuring thermal diffusivity using the flash method
The present invention relates to an apparatus and method for measuring thermal diffusivity using the flash method. The apparatus includes: a laser generator 60 for generating a flash beam 30; a...
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7815366 |
Method of detecting extraneous matter on heat processing plate, heat processing apparatus, program, and computer-readable recording medium with program recorded thereon
In the present invention, a heating plate is divided into a plurality of regions. Integrated values of temperature fluctuations in each of the regions when a substrate is mounted on the heating...
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7810991 |
Method to analyze economics of asset management solutions for nuclear steam generators
A method to determine corrective actions of a nuclear steam generator, having the steps of modeling of steam generator tube and deposit heat transfer characteristics by analytically deriving...
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7780344 |
Method for evaluating the deterioration of magneto-resistive effect device
The estimation method of the invention for estimating the deteriorations of a magneto-resistive effect device by heat shocks involves applying heat shocks by laser irradiation to a structure...
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7726875 |
Methods and apparatus for monitoring a condition of a material
Apparatus, methods, and articles of manufacture for monitoring a condition of a material are disclosed. In particular, the example apparatus, methods, and articles of manufacture emit a first...
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7712955 |
Non-contact method and apparatus for hardness case depth monitoring
There is provided a method and apparatus to monitor hardness using laser infrared photothermal radiometry. The emphasis is on the ability of this invention to monitor in a non-contact and...
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7668412 |
Systems and methods for detecting electric discharge
A distributed sensing system for detecting partial electric discharge along the length of an extended object or objects. An optical fiber having a cladding integrated with luminescent material and...
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7654734 |
Methods and devices for evaluating the thermal exposure of a metal article
A method for evaluating the thermal exposure of a selected metal component which has been exposed to changing temperature conditions is described. The voltage distribution on a surface of the metal...
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7637653 |
Method to analyze economics of asset management solutions for nuclear steam generators
A method to determine corrective actions of a nuclear steam generator, having the steps of modeling of steam generator tube and deposit heat transfer characteristics by analytically deriving...
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7628533 |
Systems and methods for detecting corrosion
Systems and methods for detecting corrosion are provided. In one embodiment, a luminescent material coupled to a cladding of an optical fiber may be altered when exposed to corrosion. The...
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7628534 |
Thermal erosion test device and method for testing thermal protection materials of solid propellant thrusters
The invention relates to a thermal erosion test device for testing thermal protection materials for use in a solid propellant thruster. The device comprises a support for holding a plate made of...
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7607825 |
Method and apparatus for monitoring the formation of deposits in furnaces
Method and apparatus for monitoring formation of deposits of solid particles from flue gas onto furnace walls formed of welded-together tubes through which cooling medium flows. For the entire...
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7594430 |
Methods for monitoring fouling of aqueous systems including enhanced heat exchanger tubes
Novel methods for monitoring and recording fouling of aqueous systems are disclosed. The methods employ a heat transfer test assembly including an outer tube member, a heating rod positioned within...
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7581874 |
Apparatuses and systems for monitoring fouling of aqueous systems including enhanced heat exchanger tubes
Heat transfer test assemblies for monitoring and recording fouling of aqueous systems are disclosed. The heat transfer test assemblies include an outer tube member, a heating rod positioned within...
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7538938 |
Optical filter for flash lamps in pulsed thermal imaging
An optical filter made from a borosilicate optical material is provided for flash lamps used in pulsed thermal imaging. The filter substantially eliminates the infrared radiation from flash lamps...
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7517140 |
Techniques for precision testing of thermal interface materials
Techniques for precision testing of thermal interface materials are described. An apparatus may include multiple anvils each having multiple sensors disposed along its axis. A thermal interface...
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7517141 |
Simultaneous control of deposition time and temperature of multi-zone furnaces
The present invention facilitates multi-zone furnace (102) based deposition processes by iteratively adjusting deposition time and zonal setpoint temperatures to mitigate deviations from desired...
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7507020 |
Method and assembly for assessing relative degradation resistance of materials with laser
To assess relative degradation resistance of different materials, one or more samples of each of the materials is irradiated with a beam of laser. The laser is chosen or tuned such that the laser...
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7470056 |
Methods and apparatus for monitoring a condition of a material
Apparatus, methods, and articles of manufacture for monitoring a condition of a cavity surface of an elongated member having a cavity therein. In particular, the example apparatus, methods, and...
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7434990 |
Method to detect termite infestation in a structure
A method for confirming the presence of termites in a structure, involving a preliminary infrared scan of a structure and confirmation of termite infestation with at least one detector in order to...
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7419298 |
Thermal imaging method and apparatus
An inspection apparatus includes a light source positioned to direct light to a first surface of a workpiece. An infrared detector is positioned to receive radiation from the first surface. A data...
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7416330 |
Method and apparatus for measuring temperature of substrate
The temperature of the surface and/or inside of a substrate is measured by irradiating the front surface or rear surface of the substrate, whose temperature is to be measured, with light and...
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7407324 |
Method and apparatus for monitoring the thickness of a conductive coating
A method and apparatus for determining thickness of a metallic layer being deposited on a collector. The method includes applying an electromagnetic field to a conductive layer on the collector....
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7204639 |
Method and apparatus for thin metal film thickness measurement
A method for measuring a metal film thickness is provided. The method initiates with heating a region of interest of a metal film with a defined amount of heat energy. Then, a temperature of the...
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7077563 |
Deposition sensor based on differential heat flux measurement
An apparatus and method for the monitoring and measurement of chemical and/or biological deposition in heat exchangers and other fluid processing vessels. The new and original sensing system...
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7052174 |
Device for determining changes in dimension due to temperature fluctuation
An apparatus for non-destructively testing the response of a specimen to temperature change. An embodiment temperature cycles a specimen, such as a wet mortar beam, dynamically measuring change in...
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6962434 |
Liner wear detection
Methods and apparatus for detecting wear in a liner. In one embodiment of the present invention, an electrically conductive wire is placed on or near the outside surface of the liner and the...
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6959588 |
Couette device and method to study solids deposition from flowing fluids
We disclose a method of measuring an emulsion or solids deposition in a fluid sample, comprising charging the sample to a Couette device; subjecting the sample in the Couette device to a pressure,...
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6902316 |
Non-invasive corrosion sensor
The non-invasive corrosion sensor includes a heat sink, at least two peltiers, a reference standard and a data acquisition device. Each peltier has a negative side and a positive side, and each...
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6899456 |
Glide head for asperity detection
Glide heads for the detection of asperities on a storage disc have a thermal transducer oriented along the air bearing surface. The thermal transducer generally is in electrical contact with a...
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6886393 |
Method and device for detecting deposit in a conduit
The invention relates to an installation for implementing a method for detecting a deposit (D) that might form inside a fluid transport pipe (2). According to the invention, the installation...
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6883962 |
Tire wear forecasting method and apparatus
The temperature of the tread surface part of a tire is increased by running the tire in contact with a drum. The increase in the temperature of the tread surface part is due to the heat of friction...
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6866416 |
Detecting heat generating failures in unpassivated semiconductor devices
A method and semiconductor device for detecting a heat generating failure in an unpassivated semiconductor device. The semiconductor device has an unpassivated surface and a heat generating...
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6837616 |
Method and system for determining the rotational position of a molten metal vehicle
In accordance with one aspect of the disclosure, a method of sensing the temperature of a molten metal vehicle is provided. In one exemplary embodiment, the method includes utilizing at least one...
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6799888 |
Method for predicting temperature, test wafer for use in temperature prediction, and method for evaluating lamp heating system
A test wafer for use in wafer temperature prediction is prepared. The test wafer includes: first semiconductor layer formed in a crystalline state; second semiconductor layer formed in an amorphous...
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6712502 |
Synchronized electronic shutter system and method for thermal nondestructive evaluation
The invention is a synchronized electronic shutter system (SESS) and method for same side and through transmission thermal analysis and inspection of a material for finding defects, corrosion,...
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6644848 |
Pipeline monitoring systems
An oil pipeline, which connects a Christmas tree at its lower end to an oil rig at its upper end, is fitted with a stainless steel tube sheathed telecommunications grade optical fiber, forming part...
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6623158 |
Method and apparatus for thermal proximity imaging using pulsed energy
A method and apparatus for mapping the character and location of small surface variations on a planar surface. Energy in the form of pulses is supplied to an object in close proximity to the planar...
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6534975 |
NONDESTRUCTIVE METHOD FOR DETERMINING THE THICKNESS OF A METALLIC PROTECTIVE LAYER ON A METALLIC BASE MATERIAL VIA A DIFFERENT TYPE OF LAYER BETWEEN THE METALLIC PROTECTIVE LAYER AND THE METALLIC BASE MATERIAL
A nondestructive method for determining the thickness of a metallic protective layer determined by detection of a different type of intervening layer which is situated between the metallic...
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6511220 |
Method and device for generating a signal according to a liquid film on a surface
Device and a process for generating a signal dependent upon a liquid film on a surface. The device includes one of a heating arrangement and a cooling arrangement for subjecting a portion of the...
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6499876 |
Monitoring apparatus
A monitoring apparatus (1) for monitoring soil build-up in a pipe (6) which may form part of a pipework system including a heat exchanger. The pipework system is used in e.g. the heat treatment of...
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6468438 |
Method of fabricating a substrate
In a method of fabricating a substrate, a substrate is submerged into a chemical bath so that the thickness of the substrate changes. The temperature of the chemical bath is monitored to ascertain...
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6422741 |
Method for nondestructive/noncontact microwave detection of electrical and magnetic property discontinuities in materials
Nondestructive/noncontact evaluation of a material for electrical and magnetic property discontinuities, e.g., a dielectric loss or the presence of a conducting contaminant, is accomplished by...
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6394646 |
Method and apparatus for quantitative nondestructive evaluation of metal airfoils using high resolution transient thermography
An IR transient thermography imaging system includes high-power flash lamps fitted with spectrally tuned optical filters and a focal-plane array camera for IR image data acquisition. The image data...
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6375346 |
Method for detecting the spalling of a layer of buildup of a refractory lining in a metallurgical furnace
A method is provided for detecting the spalling off of a significant portion of buildup of alkali and/or metal from the refractory lining of a metallurgical furnace. The method includes monitoring...
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