Patent · US Active

Silicon production with a fluidized bed reactor integrated into a Siemens-type process

US8609058B2 · kind B2 · utility

1Cited by

21References

26Claims

0Family size

Assignee

HEMLOCK SEMICONDUCTOR CORPORATION · US

Inventors

Arvid Neil Arvidson · Midland, US
Michael Molnar · Midland, US

Key dates

Filing date	Mar 21, 2011
Grant date	Dec 17, 2013
Priority date	—
Expiry date	Oct 8, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/129
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A fluidized bed reactor and a Siemens reactor are used to produce polycrystalline silicon. The process includes feeding the vent gas from the Siemens reactor as a feed gas to the fluidized bed reactor.

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