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Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for optical properties of ceramic…

Fine ceramics (advanced ceramics, advanced technical ceramics) — Absolute measurement of internal quantum eff…

Overview - ISO 20351:2017 (Integrating sphere method for phosphor IQE) ISO 20351:2017 specifies an absolute measurement method for the internal quantum efficiency (IQE) of phosphor powders used in wh…

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for optical properties of cerami…

Overview ISO 20351:2024 - "Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for optical properties of ceramic phosphors for white light-emitting diodes using an integratin…

Unplasticized polyvinyl chloride (PVC) moulded fittings for elastic sealing ring type joints for use under pr…

Fine ceramics (advanced ceramics, advanced technical ceramics). Absolute measurement of internal quantum effi…

1 Scope This document specifies a method of absolute measurement (using an integrating sphere) of internal quantum efficiency of phosphor powders which are excited by UV or blue light and emit visibl…