Fluorescent standard for scanning devices

Details Fluorescent standard for scanning devices Fluorescent standard for scanning devices

1980-01-25

1981-11-24

Willis, Davis L.

Radiant energy

Luminophor irradiation

With ultraviolet source

250252, 250302, 250522, G01N 2138, G01D 1800, G09K 300

Patent

active

043026788

ABSTRACT:
A standard specimen for calibrating an ultraviolet scanning system of the type used to detect surface flaws in workpieces by penetrant testing including a piece of glass which has the characteristic of emitting fluorescent radiation upon excitation by ultraviolet light, and a heat conductive carrier element rigidly supporting the piece of glass therein. The standard specimen provides a means for confirming instrumentation stability despite changes in temperature.

REFERENCES:
patent: 3225242 (1965-12-01), Regelson
patent: 3889124 (1975-06-01), Yamamoto et al.
Garbe, "Glass Fluorescence Standard", Research Disclosure, _May 1976, p. 36. _
Schmidt, "A New Method for Measuring Fluorescent _Brightness and Color", Materials Evaluation, 12-66, pp. 697-702.

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