IPC Subgroup
C30B 28/04 from liquids
Introduced: January 1990
Last revised: January 2006
Full Title
Production of homogeneous polycrystalline material with defined structure > from liquids
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
3 direct subcodes
Child Classifications
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- C30B 28/06 by normal freezing or freezing under temperature gradient
- C30B 28/08 by zone-melting
- C30B 28/1 by pulling from a melt