Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors

Thundat, Thomas G; Oden, Patrick I; Datskos, Panagiotis G

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Title: Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors

Abstract

A non-contact infrared thermometer measures target temperatures remotely without requiring the ratio of the target size to the target distance to the thermometer. A collection means collects and focusses target IR radiation on an IR detector. The detector measures thermal energy of the target over a spectrum using micromechanical sensors. A processor means calculates the collected thermal energy in at least two different spectral regions using a first algorithm in program form and further calculates the ratio of the thermal energy in the at least two different spectral regions to obtain the target temperature independent of the target size, distance to the target and emissivity using a second algorithm in program form.

Inventors:

Thundat, Thomas G ^[1]; Oden, Patrick I ^[2]; Datskos, Panagiotis G ^[3]

616 Plainfield Rd., Knoxville, TN 37923
804-171 Olde Pioneer Trail, Knoxville, TN 37923
8444 Mecklenburg Ct., Knoxville, TN 37923

Issue Date:: 2000-01-01

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 872951

Patent Number(s):: 6050722

Assignee:: Thundat, Thomas G. (616 Plainfield Rd., Knoxville, TN 37923);Oden, Patrick I. (804-171 Olde Pioneer Trail, Knoxville, TN 37923);Datskos, Panagiotis G. (8444 Mecklenburg Ct., Knoxville, TN 37923)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT

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G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G01J5/20 - using resistors, thermistors or semiconductors sensitive to radiation
G01J5/40 - using bimetallic elements
G01J5/44 - using change of resonant frequency, e.g. of piezo-electric crystal
G01J5/602 - {using selective, monochromatic or bandpass filtering}

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DOE Contract Number:: AC05-96OR22464

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: non-contact; passive; temperature; measuring; method; operation; micro-mechanical; sensors; infrared; thermometer; measures; target; temperatures; remotely; requiring; ratio; size; distance; collection; means; collects; focusses; radiation; detector; thermal; energy; spectrum; micromechanical; processor; calculates; collected; spectral; regions; algorithm; form; obtain; independent; emissivity; temperature measuring; collection means; thermal energy; target size; target temperature; spectral region; micromechanical sensors; meter measures; temperatures remotely; infrared thermometer; mechanical sensors; mechanical sensor; processor means; /374/73/250/

Citation Formats


                    Thundat, Thomas G, Oden, Patrick I, and Datskos, Panagiotis G. Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors.  United States: N. p., 2000. 
        Web.

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                    Thundat, Thomas G, Oden, Patrick I, & Datskos, Panagiotis G. Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors.  United States.

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                    Thundat, Thomas G, Oden, Patrick I, and Datskos, Panagiotis G. Sat .  
        "Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors".  United States.  https://www.osti.gov/servlets/purl/872951.

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@article{osti_872951,

  title        = {Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors},

  author       = {Thundat, Thomas G and Oden, Patrick I and Datskos, Panagiotis G},

  abstractNote = {A non-contact infrared thermometer measures target temperatures remotely without requiring the ratio of the target size to the target distance to the thermometer. A collection means collects and focusses target IR radiation on an IR detector. The detector measures thermal energy of the target over a spectrum using micromechanical sensors. A processor means calculates the collected thermal energy in at least two different spectral regions using a first algorithm in program form and further calculates the ratio of the thermal energy in the at least two different spectral regions to obtain the target temperature independent of the target size, distance to the target and emissivity using a second algorithm in program form.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2000},

  month        = {1}

}

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Works referenced in this record:

Thermal Detectors
book, January 1977

Putley, E. H.
Topics in Applied Physics
https://doi.org/10.1007/978-3-540-37378-0_3

Photothermal spectroscopy with femtojoule sensitivity using a micromechanical device
journal, November 1994

Barnes, J. R.; Stephenson, R. J.; Welland, M. E.
Nature, Vol. 372, Issue 6501
https://doi.org/10.1038/372079a0

Observation of a chemical reaction using a micromechanical sensor
journal, January 1994

Gimzewski, J. K.; Gerber, Ch.; Meyer, E.
Chemical Physics Letters, Vol. 217, Issue 5-6, p. 589-594
https://doi.org/10.1016/0009-2614(93)E1419-H

Thermal and ambient‐induced deflections of scanning force microscope cantilevers
journal, May 1994

Thundat, T.; Warmack, R. J.; Chen, G. Y.
Applied Physics Letters, Vol. 64, Issue 21
https://doi.org/10.1063/1.111407

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Similar Records

Title: Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors

Abstract

Citation Formats

Thermal Detectors book, January 1977

Photothermal spectroscopy with femtojoule sensitivity using a micromechanical device journal, November 1994

Observation of a chemical reaction using a micromechanical sensor journal, January 1994

Thermal and ambient‐induced deflections of scanning force microscope cantilevers journal, May 1994

Thermal Detectors
book, January 1977

Photothermal spectroscopy with femtojoule sensitivity using a micromechanical device
journal, November 1994

Observation of a chemical reaction using a micromechanical sensor
journal, January 1994

Thermal and ambient‐induced deflections of scanning force microscope cantilevers
journal, May 1994