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Class 374/10 - DIFFERENTIAL THERMAL ANALYSIS


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter which compares simultaneous thermal effects
No. of patents: 158
Last issue date: 04/03/2012


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NumberTitleIssue Date
8147131Temperature sensing circuit and electronic device using same
A temperature sensing circuit that detects a given temperature includes a first differential input circuit and a second differential input circuit connected to the first differential input circuit. The first differential input circuit is configured to provide a firs...
04/03/2012
8021038Method for identifying a biomolecule
A method for identifying a biomolecule using a biomolecule detector having a field effect transistor (FET) is provided. The method comprises the steps of (a) heating a sample containing a biomolecule loaded in the detector to thereby elevate the temperature of the s...
09/20/2011
7909505Method and device for investigation of phase transformations in metals and alloys
A device and method for investigating phase transformation properties and structural changes of materials. In one form, the device simulates actual thermal processing conditions, while the method can be used in both simulations as well as in actual processing condit...
03/22/2011
7677795Differential scanning calorimeter (DSC) with temperature controlled furnace
A differential scanning calorimeter apparatus includes reference and sample cells and controlled temperature shields. The temperature of the shields is controlled such that baseline curvature is reduced by eliminating heat flow from the furnaces to their surrounding...
03/16/2010
7568832Imaging method to verify electrical conductivity across lightning strike protection boundaries
A rapid image-based method for validating good electrical contact between existing LSP material on a structure, and LSP material on an applied patch, thus ensuring continuous LSP through the patch. The method and apparatus are used in the repair of LSP by validating...
08/04/2009
7473028Method and device for investigation of phase transformations in metals and alloys
A device and method for investigating phase transformation properties and structural changes of materials. In one form, the device simulates actual thermal processing conditions, while the method can be used in both simulations as well as in actual processing condit...
01/06/2009
7425896Tag testing device, tag testing method, and tag testing program
A tag testing device uses an infrared camera to take an image of a plurality of radio frequency identification tags, compares the image with a stored standard tag pattern image storage, and detects defective tags based on the comparison. A radio wave transceiver bul...
09/16/2008
7371006Differential scanning calorimeter (DSC) with temperature controlled furnace
A differential scanning calorimeter apparatus includes reference and sample cells and controlled temperature shields. The temperature of the shields is controlled such that baseline curvature is reduced by eliminating heat flow from the furnaces to their surrounding...
05/13/2008
7362109Gem tester using electrical photoconductivity
Diamond look-alikes like cubic zirconium, moissanite and other synthetic stones, are distinguishable from nature diamonds based on their thermal and/or electrical conductivities. Germ testers that are on the market are capable of evaluating these two parameters as i...
04/22/2008
7351974Integrated circuit infrared sensor and associated methods
An integrated circuit sensor may include at least one infrared sensing element on a substrate. The sensing element may include at least one first thermocouple junction heated from infrared radiation, at least one second thermocouple junction connected to the first t...
04/01/2008
7338640Thermopile-based gas sensor
A method of manufacturing a sensor is provided. The method includes disposing a sacrificial layer on a substrate, disposing a low-thermal-conductivity layer on the sacrificial layer, and disposing a first set of conductive arms and a second set of conductive arms on...
03/04/2008
7338202Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors
Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma...
03/04/2008
7306365Differential scanning calorimeter accounting for heat leakage
A method and system for calculating a heat flow to a sample in a differential scanning calorimeter (DSC). The DSC has a sensor within an enclosure comprising an absolute temperature measurement detector for measuring the temperature of a base position on the sensor,...
12/11/2007
7275862Differential scanning calorimeter with a second heater
A differential scanning calorimeter has a heat sink for accommodating therein a measurement sample and a reference material, and a differential heat flow detector that detects a temperature difference between the sample and the reference material. A cooling mechanis...
10/02/2007
7273316Device and method for thermogravimetrically testing the behavior of a solid material
A method for thermogravimetrically testing the behavior of a solid material in the presence of a controlled gaseous atmosphere, characterized in that a plurality of samples (10) are placed in the presence of the gaseous atmosphere inside the same controlled a...
09/25/2007
7258482Thermoanalytical sensor, and method of producing the thermoanalytical sensor
In a thermoanalytical sensor with a substrate and a thermocouple arrangement that is formed at a measurement position on the substrate, an increase in sensitivity can be achieved by way of a special geometry of the thermocouple arrangement and/or the selection of th...
08/21/2007
7246938Apparatus and method for measuring the heating value of gases
A heating value meter for gases has an outer cylindrical mantle with an outer thermostatic heating apparatus and at least one inlet for introduction of air and at least one inlet for introduction of test or calibration gas. The outer mantle has an outer heating mant...
07/24/2007
7234861Cooling mechanism, cooling apparatus having cooling mechanism, and thermal analyzer equipped with cooling apparatus
A thermal analyzer has a heat sink for storing therein a specimen, a heater for heating the heat sink and the specimen, at superheating temperatures, and a cooling mechanism thermally connected to the heat sink for cooling the heat sink and the specimen. The cooling...
06/26/2007
7220050Method using flux sensors to determine the output of a thermal reaction within a housing and device for carrying out such a method
The method uses heat flux sensors to determine the exchange area A between a reagent and housing containing the reagent, with the aim of determining the characteristics of the housing and the thermal reaction studied. The flux sensors are arranged at the housing in ...
05/22/2007
7189367Reactor and process for production thereof
In order to be capable of a chemical reaction, analysis or the like wherein a small amount of samples is used, a reactor comprises a flat plate-like first substrate the inside of which is provided with a heating means; and a flat plate-like second substrate, which i...
03/13/2007
7180064Infrared sensor package
An optical sensor package with a substrate that supports a membrane carrying an optical sensor and through which radiation passes to impinge the sensor. The substrate has a first surface in which a cavity is defined, a second surface opposite the first surface, and ...
02/20/2007
7168851Apparatus and method for measuring heat dissipation
An apparatus for measuring heat dissipation of a target heating element includes a reference heating element for emitting heat; a control unit; and a pair of temperature measuring devices for measuring representative temperatures of the target and the reference heat...
01/30/2007
7157801Device and a method for thermal sensing
A device for thermal sensing is disclosed based on one thermopile. The cold junctions of the thermopile are coupled thermally to a first channel comprising a first substance while the hot junctions of the thermopile are coupled thermally to a second channel comprisi...
01/02/2007
7140231Evolved gas analyzing method and apparatus
An evolved gas analysis system contains a first measurement step of heating a first sample containing measurement target material and non-measurement target material at a predetermined temperature programming rate and detecting the amount of gas evolved from the fir...
11/28/2006
7141210Apparatus and method for a nanocalorimeter for detecting chemical reactions
A nanocalorimeter array for detecting chemical reactions includes at least one thermal isolation region residing on a substrate. Each thermal isolation region includes at least one thermal equilibration region, within which resides a thermal measurement device conne...
11/28/2006
7131766Temperature sensor apparatus and method
A temperature sensor includes a membrane supported by a substrate and a circuit having elements for a substrate electrical resistance indicative of the temperature of a substrate and a membrane electrical resistance indicative of the temperature of a membrane. The s...
11/07/2006
7129322Method for producing polymer alloy polymer alloy formed article transparent formed article and optical film
This invention provides a method for producing a polymer alloy, a polymer alloy as well as a molded article, a transparent molded article and an optical film, which is obtainable by using the polymer alloy. The invention is a method for producing a polymer al...
10/31/2006
7125453High temperature high pressure capsule for processing materials in supercritical fluids
A capsule for containing at least one reactant and a supercritical fluid in a substantially air-free environment under high pressure, high temperature processing conditions. The capsule includes a closed end, at least one wall adjoining the closed end and extending ...
10/24/2006
7119334Thermal imaging system and method
Systems and methods for thermal sensing and imaging using the electro-optic effect. A thermal detection system comprises a temperature sensing element that includes an electro-optic (EO) material layer having a length axis and characterized by a temperature dependen...
10/10/2006
7112269Measuring duct offgas temperatures to improve electrolytic cell energy efficiency
Operations in a cell for electrolytic production of aluminum are controlled by establishing a standard rate of addition of aluminum fluoride to a molten electrolyte covered by a crust; establishing a target temperature for a duct carrying offgas from a chamber conta...
09/26/2006
7097352Instrument material holder and method of fabrication thereof
A holder for materials for use in a measuring instrument includes a three-piece housing consisting of an upper housing member, an intermediate housing member and a lower housing member, the three-piece housing defining a first closed cavity and a second closed cavit...
08/29/2006
7086607Electrical dispenser for deodorant or insecticide
In an electrical dispenser (10) for deodorant or insecticide which contains electric heating means (40) placed near the first end (76A) of a wick (76) the second end (76B) of which is dipped into a deodorant or insecticide liquid (...
08/08/2006
7077563Deposition 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 includes at least two hollow fluid vessels conductively mounted across a co...
07/18/2006
7048434Thermal analysis and characterization of layers and multiple layer structures
Thermally analysis of layers and multiple layer structures used in the semiconductor processing arts is disclosed. A modulated calorimetric analysis may be used to determine a thermal signature that characterizes the chemical properties of a sample of material. The ...
05/23/2006
7048435Humidity-controlled chamber for a thermogravimetric instrument
Embodiments of the present invention relate to apparatus, systems and methods for adding a humidity-controlled system to a thermogravimetric instrument. A humidity-controlled chamber incorporates a housing, a humidifier, a sample chamber, a reference chamber, Peltie...
05/23/2006
7044635Temperature correction method for thermal analysis apparatus and thermal analysis apparatus
Disclosed is a temperature correction method for a thermal analysis apparatus which measures electric current, voltage, and electric resistance of a measurement sample while changing the temperature of the measurement sample set between a pair of electrodes. The pai...
05/16/2006
7025497Differential scanning calorimeter accounting for heat leakage
A method and system for calculating a heat flow to a sample in a differential scanning calorimeter (DSC). The DSC has a sensor within an enclosure comprising an absolute temperature measurement detector for measuring the temperature of a base position on the sensor,...
04/11/2006
7021821Differential thermal sensors
A sensor includes at least two microsensor chips in a housing. The chips may be arranged as (i) an absolute thermal conductivity sensor by exposing one chip to a sample fluid and the other chip to a sealed reference fluid, (ii) a differential thermal conductivity se...
04/04/2006
6994467Absolute temperature measuring apparatus and method
This invention relates to a method for determining the absolute temperature of a substance, comprising the steps of: sensing the absolute temperature of the substance and generating an absolute value associated therewith; sensing a temperature difference between the...
02/07/2006
6988826Nano-calorimeter device and associated methods of fabrication and use
The present invention provides a nano-calorimeter device operable for measuring and characterizing the thermodynamic and other physical properties of materials that are confined to essentially nano-scale dimensions. The nano-calorimeter device including a thin film ...
01/24/2006
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