From the category archives:

Emissivity

Practical Multi-Wavelength Pyrometry

Calibration

IR Temperature Measurement for Process Industries, Advanced Materials & Research From Far Associates & Their Spectropyrometers Macedonia OH, USA –  The revolutionary expert system multi-wavelength pyrometer, the SpectroPyrometer, helps solve some unique applications problems as revealed in the literature online at the Far Associates website. FMPI — 300 – 2000°C, FMP2 — 800 – 2500°C, [...]

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IR/INFO 2010 At Disney World

Emissivity

Great New Venue – Jan. 10 – 13, 2010 !! Burlington NJ & Orlando FL, USA — Warm weather, sunny skies, and the world’s premier gathering for thermographers and NDT professionals. Of course we’re talking about IR/INFO, the one IR event you can’t afford to miss!

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Thermal Infrared Radiation Thermometry in MBE

Emissivity

Ircon’s Application note AN110 of the same title as this story Santa Cruz CA, USA — The use of Thermal Infrared Radiation Thermometry (Infrared or IR Thermometry) for substrate temperature measurement during molecular beam epitaxy (MBE), a semiconductor manufacturing process, is discussed in this free applications note on the Ircon website. The fundamental relationships of [...]

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RADIOMETRIC TEMPERATURE MEASUREMENTS: Volume II

Calibration

Aimed at Industrial practitioners of radiation thermometry; Scientific researchers using thermometers; Designers of thermometers Applications Edited by: Zhuomin Zhang, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA Benjamin Tsai, Optical Technology Division, National Institute of Standards and Technology, Gaithersburg, Maryland, USA Graham Machin, Division of Industry and Innovation, National [...]

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Rad-Pro (Radiative Properties)

Emissivity

From a webpage of Dr.Zhuomin Zhang at the Georgia Institute of Technology, Atlanta GA, USA: Nanoscale Thermal Radiation Laboratory In order to achieve high-accuracy temperature measurements in rapid thermal processing (RTP) using lightpipe radiation thermometry, it is critical to be able to determine the radiative properties of silicon wafers with thin-film coatings such as silicon [...]

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RADIOMETRIC TEMPERATURE MEASUREMENTS: Volume I

Calibration

Aimed at Industrial practitioners of radiation thermometry; Scientific researchers using thermometers; Designers of thermometers Fundamentals Edited By: Zhuomin Zhang, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA Benjamin Tsai, Optical Technology Division, National Institute of Standards and Technology, Gaithersburg, Maryland, USA Graham Machin, Division of Industry and Innovation, National [...]

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IR Thermography: Errors and Uncertainties

Calibration

A new book from John Wiley & Sons In Infrared Thermography, the authors discuss the sources of uncertainty, including how to quantify these sources, associated with the use of thermal imagers. This book explains the common misunderstandings in the interpretation of temperature measurements, and provides a metrological evaluation of commercially available infrared cameras. It suggests [...]

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Beginners Cautions in Using IR Cameras

Emissivity

OR… What You Really Need to Know to Begin Using Infrared Cameras by L. Terry Clausing, Drysdale & Associates, Inc., Cincinnati OH, USA. Columbus OH, USA — This 2006 online article at the American Society for Nondestructive Testing (ASNT) website speaks to some of the care needed with IR, or Infrared, Cameras, being used for [...]

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IR FAQs

Emissivity

Ircon provides some unique answers online Ircon Corp, a well-known industrial Infrared thermometer maker and educator of users, has a unique list of Frequently Asked Questions (FAQs) on its website. They go a  long way to answering practical applications queries of both newcomers and some experienced users of Infrared Temperature Measurement devices. The list of [...]

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CFP: 10th International QIRT

Calibration

10th International Conference on Quantitative Infrared Thermography – Quebec City, Canada, July 27-30, 2010 Quebec City, Quebec, CANADA — The Quantitative Infrared Thermography (QIRT) conference is an international forum which brings together specialists from industry and academia, who share an active interest in the latest developments of science, experimental practices and instrumentation, related to infrared [...]

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ISO 18434-1:2008:Condition monitoring and diagnostics of machines — Thermography — Part 1: General procedures

Emissivity

Abstract ISO 18434-1:2008 provides an introduction to the application of infrared thermography (IRT) to machinery condition monitoring and diagnostics, where “machinery” includes machine auxiliaries such as valves, fluid and electrically powered machines, and machinery-related heat exchanger equipment. In addition, IR applications pertaining to machinery performance assessment are addressed. ISO 18434-1:2008: introduces the terminology of IRT [...]

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ISO/TR 13154:2009: Guidelines for Screening Humans with Fever by Thermal IR Imaging

Emissivity

ISO standard, ISO/TR 13154:2009 “Medical electrical equipment — Deployment, implementation and operational guidelines for identifying febrile humans using a screening thermograph”, document available as of: 2009-03-18. Abstract ISO/TR 13154:2009 provides general guidelines for the deployment, implementation and operation of a screening thermograph intended to be used for individual non-invasive febrile temperature screening of humans under [...]

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Interesting Car Uses for an Infrared Thermometer

Emissivity

According to an article in AutoSpeed.com, an Australian website for the Auto enthusiast, entitled: Interesting Car Uses for an Infrared Thermometer Convenient and easy – but there are some traps by Julian Edgar, the AutoSpeed website’s Editor, the main applications for automotive are: * Brake temps to see if brakes are dragging and to determine [...]

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IR Articles: QIRT Journal, VOL 4/2 – 2007

Emissivity

Contents [FREE] – pp.127-128 Thermographic analysis of phacoemulsification based cataract surgery procedures B.INNOCENTI, A.CORVI, R.MENCUCCI pp.129-140 Scale reduction in modeling landmine detection by IR thermography A.MUSCIO, L.TAROZZI, M.CORTICELLI – pp.141-154 Improved ultrasound activated thermography using frequency analysis A.GLEITER, C.SPIESSBERGER, G.BUSSE- pp.155-164

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Advantage of Dual Wavelength Ratio IR Thermometers

Emissivity

{Image Courtesy Williamson Corporation} From the Williamson IR website page on Applications of Dual Wavelength infrared thermometers: “One of the greatest advantages of a dual-wavelength infrared thermometer is that the target can be smaller than the optical resolution of the sensor. This feature is particularly appropriate when viewing past an optical obstruction or when viewing [...]

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“Short” Wavelength Applications Advantage

Emissivity

Concord,MA, USA — As seen on the Williamson IR website: “Single wavelength infrared thermometers filtered in the short wavelength region of 2.0 to 2.5 microns offer good performance when measuring low emissivity materials at low temperatures.” “The accuracy improvement associated with the shorter wavelength sensor is shown in the figure below. The shorter wavelength sensor [...]

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Temperature measurement w/emissivity corrected pyrometry

Emissivity

True wafer temperature measurements in Molecular Beam Epitaxy, or MBE, is an applications story (Application Note 18) from LayTec GmbH in Germany about the benefits of this technology in semiconductor processing, especially for GaAs (Gallium Arsenide) and InP (Indium Phosphide), two materials that are opaque at the wavelength region of interest in the Near Infrared [...]

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