Rapid thermal firing IR conveyor furnace having high intensity heating section

High reflectance element IR lamp module and method of firing multi-zone IR furnaces for solar cell processing comprising lamps disposed backed by a flat or configured plate of ultra-high reflectance ceramic material. Optionally, the high reflectance plate can be configured with ripples or grooves to...

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Bibliographische Detailangaben
Hauptverfasser:	RAGAY PETER G, REY GARCIA LUIS ALEJANDRO, PARKS RICHARD W
Format:	Patent
Sprache:	eng
Schlagworte:	BAKERS' OVENS BAKING BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM EDIBLE DOUGHS HAIRDRESSING OR SHAVING EQUIPMENT HAND OR TRAVELLING ARTICLES HEATING HUMAN NECESSITIES LIGHTING MACHINES OR EQUIPMENT FOR BAKING MANICURING OR OTHER COSMETIC TREATMENT MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	High reflectance element IR lamp module and method of firing multi-zone IR furnaces for solar cell processing comprising lamps disposed backed by a flat or configured plate of ultra-high reflectance ceramic material. Optionally, the high reflectance plate can be configured with ripples or grooves to isolate each lamp from adjacent lamps in the process zone. Furnace cooling air is exhausted and recycled upstream for energy conservation. Lamp spacing can be varied and power to each lamp individually controlled to provide infinite control of temperature profile in each heating zone. The high reflectance element may be constructed of dense ceramic fiber board, and then coated with high reflectance ceramic composition, and baked or fired to form the finished element.