Gas phase evaporation device for preparing rare earth doped preform

The invention discloses a gas phase evaporation device for preparing a rare earth doped preform. The gas phase evaporation device comprises an ultra-clean chamber, a material tank chamber, a valve heat preservation chamber and a high-temperature steam conveying device. The raw materials are filled i...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HUANG HONGQI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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