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6585408 |
Method and apparatus for measuring local heat transfer distribution on a surface
An apparatus and method for measuring local heat transfer distribution of an object surface. The apparatus includes a heater element for providing heat flux, a member disposed on a surface of the...
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6550961 |
Thermal conductivity detector
A thermal conductivity detector includes not only a thermal conductivity detector cell disposed so as to be heated by heat transmitted from a first heater block and a column connector connected to...
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6513000 |
Simulation method of wiring temperature rise
A heat capacity C 1 is obtained by conducting two-dimensional thermal analysis simulation to the cross-section of a wiring. Next, based on one-dimensional approximate equation of θ 0 =(Q 0 /2)...
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6502983 |
Micro-machined thermo-conductivity detector
A micro-machined thermal conductivity detector for a portable gas chromatograph. The detector is highly sensitive and has fast response time to enable detection of the small size gas samples in a...
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6497509 |
Method for measuring absolute value of thermal conductivity
A method of measuring the absolute value of thermal conductivity of low thermal conducting solid materials is disclosed. Thermal conductivity and heat capacity of the sample are determined...
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6487866 |
Multipurpose thermal insulation test apparatus
A multi-purpose thermal insulation test apparatus is used for testing insulation materials, or other components. The test apparatus is a fluid boil-off calorimeter system for calibrated measurement...
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6439766 |
Diamond detecting apparatus and method
An apparatus and method for determining if a stone mounted in an electrically conductive mounting is a true diamond employs a housing to be held in one hand of a user while the other hand holds the...
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6438504 |
Method of calculating thermal resistance in semiconductor package accommodating semiconductor chip within a case which can be applied to calculation for semiconductor package with radiation fins
The thermal resistance of an entire semiconductor package with a semiconductor chip and radiation fins is calculated based on thermal resistance of resin between the semiconductor chip and case,...
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6375349 |
Instrument configured to test multiple samples for the determination of thermophysical properties by the flash method
An instrument for determining thermophysical properties of a solid sample of uniform thickness is disclosed. The instrument comprises a furnace, an elliptical mirror outside the furnace, a light...
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6361204 |
Device for measuring the thermal conductivity of a fluid
A device for measuring the thermal conductivity of a fluid comprising a first detection section with at least one duct in which a gas flows and at least one heat sensitive resistance element placed...
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6331075 |
Device and method for measuring thermal conductivity of thin films
A device and method are provided for measuring the thermal conductivity of rigid or flexible, homogeneous or heterogeneous, thin films between 50 μm and 150 μm thick with relative standard...
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6312154 |
Method for on-line measurement of fuel heat content of fuel in a combustion turbine system
The fuel heat content of fuel is measured on-line while a combustion turbine system is running by measuring data from the combustion turbine system during combustion of the fuel. The measured data...
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6290388 |
Multi-purpose integrated intensive variable sensor
An integrated environment temperature sensor device provides improved temperature sensitivity by using a diode as the sensing element. The integrated sensor device comprises a heater element for...
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6273603 |
Measuring head for use in radiant energy flash measuring of the thermal diffusivity of samples
The invention refers to a measuring head for use in radiant energy flash measuring of the thermal diffusivity of heterogeneous samples (S) under employment of a probe beam (B) generated by a...
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6238087 |
Method and apparatus for characterizing a quench
A method and apparatus for characterizing a quench for producing desired hardness characteristics on a steel part. The characterization preferably includes a series of heat transfer coefficients...
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6183128 |
Apparatus and method for determining paperboard thermal conductivity
This invention relates to an apparatus and method for determining paperboard thermal conductivity. Such structures of this type, generally, determine the thermal conductivity of a planar material,...
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6142662 |
Apparatus and method for simultaneously determining thermal conductivity and thermal contact resistance
An apparatus and method for simultaneously determining thermal conductivity and thermal contact resistance of a sample which employs an transient method of taking data for use in such...
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6132083 |
Real-time measuring method
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6132082 |
Device for the measurement of heat transfer characteristics of multilayer sample arrangements
The invention provides a device for measuring heat transfer through plate-like sample arrangements under various test conditions. The device consists of two chambers. For determining the heat...
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6086251 |
Process for operating a thermocouple to measure velocity or thermal conductivity of a gas
A process for operating a thermocouple (2), which is arranged in a gas atmosphere and is maintained at a working temperature that is increased compared with the gas temperature by means of an a.c....
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6019505 |
Time lag approach for measuring thermal conductivity and specific heat
A method and apparatus for providing a more direct approach to determine the thermal conductivity, thermal diffusivity and specific heat of a fluid of interest, independently of the amplitude of...
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5988875 |
Calorimeter and method for simultaneous measurement of thermal conductivity and specific heat of fluids
A method of simultaneously measuring thermal conductivity and heat capacity of a fluid, using a heat conduction calorimeter having a reference fluid in a first cell and a sample fluid in a second...
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5927853 |
Method for thermal impedance evaluation of packaged semiconductor components
A method for evaluating the thermal impedance of packaged semiconductor chips. A measuring apparatus includes a thermostatic bath filled with a dielectric liquid and a temperature sensor for...
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5925815 |
Method and device to measure fluid parameters
A method and device to measure parameters of temperature and gas composition in high temperature fluids which has particular application to compressible unsteady flowing fluid and rapidly changing...
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5824885 |
Method intended for use in anaesthetic systems for identifying anaesthetics
In order to keep a patient from being administered an incorrect anaesthetic, an erroneous concentration of an anaesthetic or a mixture of anaesthetics, an anaesthetic system can be equipped with a...
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5795064 |
Method for determining thermal properties of a sample
A method of measuring thermal conductivity of a sample in both a machine direction and a transverse direction. The method is carried out with a probe having a electroconductive member in each of...
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5795063 |
Method and apparatus for thermal impedance evaluation of packaged semiconductor components
A system for evaluating the thermal impedance of packaged semiconductor chips. The measuring apparatus includes a thermostatic bath filled with a dielectric liquid and a temperature sensor for...
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5772321 |
Compensation for spacial and temporal temperature variations in a thermal conductivity detector
A thermal conductivity detector includes a cavity wall defining a cavity for receiving a quantity of a sample fluid, the cavity wall being subject to a cavity wall temperature that is temporally...
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5756878 |
Thermal conductivity measuring device
A thermal conductivity measuring device includes a diaphragm portion, a thermal conductivity detector, a temperature sensor, a control section, and a thermal conductivity calculating section. The...
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5711604 |
Method for measuring the coefficient of heat conductivity of a sample
A method for measuring the coefficient of thermal conductivity of a solid sample material by: heating a meltable calibration sample having good thermal conductivity to its melting temperature by...
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5688049 |
Method and apparatus for measuring the thermal conductivity of thin films
A device and method for measuring the thermal conductivity of a thin film by determining the change in temperature near the surface of the film after a sample including the film is illuminated with...
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5667301 |
Device for measuring the heat conductivity or heat capacity of an injectable or non-injectable material
The measuring device comprises two flat-wall heat exchangers (3a, 3b), one to each side of a flat plate (1), two samples (2a, 2b) of similar thickness (E) of the material being tested, placed...
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5664884 |
Apparatus for determining the thermal resistivity of electrically insulating crystalline materials
This invention involves apparatus for determining the thermal resistivities W s (=1/κ s ) of electrically insulating, crystalline or polycrystalline samples under test (SUTs), all comprising host...
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5644068 |
Gas sensor
A gas sensor of the thermal conductivity type suitable for the quantitative analysis of the fuel vapor content of a fuel-air mixture. The gas sensor (10) comprises a sensing element (28) and a...
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5622430 |
Method of testing the heat insulation action of bodies especially of heat insulation bodies
A method of testing heat insulation shaped bodies for purposes of evaluation wherein a shaped heat insulation body is placed in a measuring space where the initial temperature of the heat...
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5620253 |
Method of determining the thermal resistivity of electrically insulating crystalline materials
The thermal resistivities W s (=1/κ s ) of electrically insulating, crystalline or polycrystalline samples under test (SUTs), all comprising host material such as CVD diamond, can be determined...
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5586824 |
Method of measuring the thermal conductivity of microscopic graphite fibers
A metal or graphite fiber is suspended in a working fluid having a high refractive index change with the temperature and a modulated laser beam heats the fiber producing a synchronous thermal wave...
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5558790 |
Method and laser system for the thermal analysis of a substance
Provided is a method and apparatus for the thermal analysis of a substance. The method comprises suspending a substance sample on a substrate in a reactor using a temperature sensor positioned at...
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5535614 |
Thermal conductivity gas sensor for measuring fuel vapor content
A gas sensor of the thermal conductivity type suitable for the quantitative analysis of the fuel vapor content of a fuel-air mixture. The gas sensor (10) comprises a sensing element (28) and a...
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5452601 |
Method for simultaneous determination of thermal conductivity and kinematic viscosity
A heating sensor capable of generating heat and measuring its own temperature is placed in a fluid and a thermometric sensor is placed in the fluid and inside a temperature boundary layer formed...
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5441343 |
Thermal sensing scanning probe microscope and method for measurement of thermal parameters of a specimen
The scanning thermal probe microscope measures a thermal parameter such as thermal conductivity or temperature of surface contours of a specimen with a thermal sensor maintained in thermal...
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5368391 |
Method and apparatus for high resolution analysis
The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric...
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5348394 |
Method and apparatus for measuring fluid thermal conductivity
A heating sensor is disposed within a pipe with a clearance between an inner wall of the pipe and an outer surface of the heating sensor such that a measurement of thermal conductivity is free from...
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5343150 |
Apparatus and method for measuring a physical property of a sample using an electron spin resonance spectrum of the sample
Disclosed herein is a measuring apparatus and a measuring method which can measure a physical property value such as an oxygen content or thermal conductivity of a sample material such as an...
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5335993 |
Method and apparatus for thermal conductivity measurements
A method and apparatus for measuring the thermal conductivity of materials using modulated differential scanning calorimetry (MDSC). Two MDSC heat capacity measurements are made consecutively. One...
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5311447 |
On-line combustionless measurement of gaseous fuels fed to gas consumption devices
A combustionless measurement method and apparatus are described for ascertaining the quality and/or quantity of gaseous fuels fed to gas consumption devices, and particularly natural gas...
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5302022 |
Technique for measuring thermal resistance of semiconductor packages and materials
A thermal test apparatus for measuring the thermal heat transfer characteristics of semiconductor packaging material as well as the thermal characteristics of the package design is disclosed...
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5297868 |
Measuring thermal conductivity and apparatus therefor
In order to measure the in-plane thermal conductivity of a sample plate, the plate is placed in a prefabricated device containing (1) a pair of thermocouples, (2) a source of heat flow into the...
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5293876 |
Method and apparatus for the diagnosis of polyneuropathy syndromes
A method and/or an apparatus for the determination of whether a subject has nerve damage (polyneuropathy) and/or the degree of the nerve damage is characterized in that an increase of the skin...
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5258929 |
Method for measuring thermal conductivity
The present invention provides a method for measuring thermal conductivity of a material at a stationary state at an elevated temperature T. The method is essentially composed of the steps of: (a)...
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