Light scattering measuring apparatus

Thermal measuring and testing – Thermal testing of a nonthermal quantity

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250215, 356339, 374 7, 374117, 374142, G01N 2141, G01N 2572

Patent

active

046828974

ABSTRACT:
A light scattering measuring apparatus utilizes light scattering to analyze physical properties of the surface and interior of an object, and particularly converts the scattered light therefrom into molecular vibrational energy or heat energy and measures the same. The light scattering measuring apparatus is provided with light applying means for applying an intermittent light to an object to be examined, a medium for absorbing scattered light intermittently emitted from the surface of the object by the applied light in accordance with the physical properties of the object to be examined and converting the scatterd light into molecular vibrational energy or heat energy, a detecting device for detecting the information regarding the energy produced by the medium, and a measuring device for measuring the molecular vibrational energy or the heat energy on the basis of a signal produced by the detecting device.

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IBM Technical Disclosure Bulletin, "Detection of Pin Holes in Their Layers By Ultrasonic Cavitation", vol. 22, No. 2, 1979, pp. 615-616.

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