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:
Sep. 09, 2008
Filed:
Jun. 27, 2006
Applicants:
Rita DE Waele, Hasselt, BE;
Rita Vos, Tremelo, BE;
Inventors:
Rita De Waele, Hasselt, BE;
Rita Vos, Tremelo, BE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/04 (2006.01); C11D 7/26 (2006.01); C11D 7/32 (2006.01); C11D 7/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for cleaning semiconductor surfaces to achieve to removal of all kinds of contamination (particulate, metallic and organic) in one cleaning step. The method employs a cleaning solution for treating semiconductor surfaces which is stable and provokes less or no metal precipitation on the semiconductor surface.