Patent · US Expired

Piston-activated crystal-growing apparatus

US6090201A · kind A · utility

2Cited by

1References

8Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Thierry Duffar · Grenoble, FR
Pierre Dusserre · Saint-Égrève, FR

Key dates

Filing date	Apr 2, 1998
Grant date	Jul 18, 2000
Priority date	—
Expiry date	Apr 2, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T117/1024
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A piston-activated crystal-growing apparatus includes a crucible for containing a seed and a solidifiable liquid covering the seed. In operation, thermal gradient is established in the crucible, and a piston moves within the crucible in the direction of the crystal.

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