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ISO 23946:2020
M00003927
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ISO 23946:2020 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test methods for optical properties of ceramic phosphors for white light-emitting diodes using a gonio-spectrofluorometer
standard by International Organization for Standardization, 12/01/2020
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ISO 23946:2020 specifies a method for use of a gonio-spectrofluorometer to measure internal quantum efficiency, external quantum efficiency, absorptance, luminescent radiance factor and relative fluorescence spectrum of ceramic phosphor powders which are used in white light-emitting diodes (LEDs) and emit visible light when excited by UV or blue light.