The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2003
Filed:
Dec. 07, 2001
Applicant:
Inventors:
Ulf Hodel, Engen, DE;
Reinhold Gitter, Gottmadingen, DE;
Assignee:
Alcan Technology & Management Ltd., Neuhausen am Rheinfall, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 1/00 ; B21D 3/100 ;
U.S. Cl.
CPC ...
B65D 1/00 ; B21D 3/100 ;
Abstract
A container, in particular a container with a tube-shaped wall, made of a light metal alloy for use as a reaction chamber in a process for manufacturing wafers. The container wall is made by way of extrusion or ring-rolling, and the container wall is made from a metallic, aluminum-based material with a magnesium content between 1.2 and 2.0 wt. %. The elements Cu, Fe, Si are present in amounts less than 0.5 wt. %. This container wall may also be shaped in one piece as container with a base plate.