Patent · US Expired

Method and apparatus for producing monocrystals

US6358315B1 · kind B1 · utility

1Cited by

3References

16Claims

0Family size

Assignees

FREIBERGER COMPOUND MATERIALS GMBH · DE
Forschungszentrum Jülich GmbH · DE

Inventors

Eckhard Küssel · Bakum, DE
Thomas Bünger · Neubukow, DE
Tilo Flade · Freiberg, DE
Berndt Weinert · Freiberg, DE
Klaus Sonnenberg · Niederzier, DE

Key dates

Filing date	Mar 16, 2000
Grant date	Mar 19, 2002
Priority date	—
Expiry date	Mar 16, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC30B29/40
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

In a method and an apparatus for producing monocrystals, in particular of gallium arsenide monocrystals, the crystal growth is carried out with a thermal shock resistant nucleus which is freely standing within a nucleus channel and the interspace in the nucleus channel between the nucleus and the crucible is filled with liquid boric oxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.