A DEVICE AND A METHOD FOR HEAT TREATMENT OF AN OBJECT IN A SUSCEPTOR

A device for heat treatment of an object comprises a susceptor (9) having walls (10) surrounding an inner room (11) adapted to receive the object and Rf-field radiating means (12, 15) arranged outside the walls and adapted to heat the walls and by that said object. Said means comprises at least two...

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Bibliographische Detailangaben
Hauptverfasser:	LIU, YUJING, LOEFGREN, PETER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CRYSTAL GROWTH DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DIFFUSION TREATMENT OF METALLIC MATERIAL FURNACES HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OVENS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL RETORTS SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL WEAPONS
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Beschreibung
Zusammenfassung:	A device for heat treatment of an object comprises a susceptor (9) having walls (10) surrounding an inner room (11) adapted to receive the object and Rf-field radiating means (12, 15) arranged outside the walls and adapted to heat the walls and by that said object. Said means comprises at least two coils (12, 15) with at least one turn each following upon each other in a longitudinal direction of the susceptor and a current source (17) arranged to cause a current to flow in each coil in a direction of rotation around the susceptor walls opposite to that of the other coil for heating said walls. L'invention concerne un dispositif de traitement thermique d'un objet comprenant un suscepteur (9) ayant des parois (10) délimitant un espace interne (11) conçu pour recevoir l'objet et un moyen rayonnant dans le champ RF (12, 15) placé à l'extérieur des parois et destiné à chauffer les parois et donc l'objet. Ce moyen comprend au moins deux bobines (12, 15) respectivement dotées d'au moins une spire et se succédant dans le sens longitudinal du suscepteur. Le dispositif comprend également une source de courant (17) destinée à faire circuler un courant dans chaque bobine dans un sens de rotation autour des parois du suscepteur opposé à celui de l'autre bobine pour chauffer les parois.