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DIFF Main Group
C30B 13/00

Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Single-crystal growth by zone-melting; Refining by zone-melting

CPC: Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00)

Full Title

Full titles differ between systems:

IPC:

Single-crystal growth by zone-melting; Refining by zone-melting

CPC:

Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00)

Of 11 combined children, 10 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C30B 13/005 CPC only CPC only
  • C30B 13/02 Zone-melting with a solvent, e.g. travelling solvent process since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/04 Homogenisation by zone-levelling since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/06 the molten zone not extending over the whole cross-section since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/14 Crucibles or vessels since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/26 Stirring of the molten zone since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/32 Mechanisms for moving either the charge or the heater since 1980 IPC+CPC Available in IPC and CPC
  • C30B 13/34 characterised by the seed, e.g. by its crystallographic orientation since 1980 IPC+CPC Available in IPC and CPC