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:
Jan. 08, 2013
Filed:
Nov. 04, 2010
Applicants:
Eduard Ilinich, Jona, CH;
Eugenio DE Biasio, Zurich, CH;
Damian Ehrensperger, Basel, CH;
Inventors:
Assignee:
Oerlikon Solar AG, Trubbach, Truebbach, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for manufacturing a vacuum processing chamber comprising a volume which is defined by a wall and which can be evacuated, said wall being made of aluminum by casting, said wall comprising an outer face and an inner face, said inner face faces the volume, and a method for improving the inner face of the wall of a vacuum processing chamber, wherein the inner face of said wall is smoothened by grinding and is subsequently pearl-blasted or shot-blasted. Vacuum processing chambers obtained by said methods are provided too.