IPC Subgroup
C30B 13/32 Mechanisms for moving either the charge or the heater
Introduced: January 1980
Last revised: January 2006
Full Title
Single-crystal growth by zone-melting; Refining by zone-melting > Mechanisms for moving either the charge or the heater
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- CRYSTAL GROWTH
- Subclass:
- SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR