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:
May. 13, 2014
Filed:
Oct. 01, 2010
Applicants:
Werner Stockum, Reinheim, DE;
Oliver Doll, Dietzenbach, DE;
Ingo Koehler, Reinheim, DE;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the production of solar cells comprising a selective emitter using an improved etching-paste composition which has significantly improved selectivity for silicon layers.