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PCE
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DIFF Subgroup
C30B 13/30

Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Single-crystal growth by zone-melting; Refining by zone-melting > Controlling or regulating > Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

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) > Controlling or regulating > Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

No child classifications to compare. This is a leaf node in both IPC and CPC.