Patent · US Expired

Apparatus for the electrodeposition of aluminum

US4176034A · kind A · utility

8Cited by

5References

14Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Klaus Stoger · Nuremberg, DE
Richard Dotzer · Nuremberg, DE
Josef Stadter
Johann Gehring · Spardorf, DE

Key dates

Filing date	Apr 14, 1978
Grant date	Nov 27, 1979
Priority date	—
Expiry date	Apr 14, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25D3/44
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Above the electroplating trough, a lock chamber is arranged which can be flooded with protective gas and is subdivided by means of an intermediate door into an outer chamber and a main chamber. The outer chamber has an outer lock door while the main chamber is connected to the electroplating trough by an inner lock opening. In addition, a work piece transfer device is provided which can be moved between the outer chamber and the main chamber and can be operated from the outside.

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