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:
Jul. 23, 2013
Filed:
Feb. 28, 2007
Joerg Mueller, Sandersdorf, DE;
Toralf Patzlaff, Halle, DE;
Joerg Mueller, Sandersdorf, DE;
Toralf Patzlaff, Halle, DE;
Hanwha Q.CELLS GmbH, Bitterfeld-Wolfen OT Thalheim, DE;
Abstract
The invention relates to a solar-cell marking method comprising the steps of: providing a substrate with a substrate surface for producing a solar cell () that comprises an active zone (); and producing at least one indentation () in the substrate surface with the use of laser irradiation, wherein the at least one indentation () forms a marking () for marking the solar cell (), and producing the indentation () is carried out prior to carrying out a solar-cell manufacturing process or during carrying out a solar-cell manufacturing process. According to the invention the substrate is designed as a semiconductor wafer with a wafer surface, and the marking () is positioned on the wafer surface such that the marking () is in the active zone () of the solar cell () formed by the semiconductor wafer. Furthermore, the invention relates to a semiconductor-wafer solar cell () whose marking is easily recognizable and thus positioned so as to be reliably readable, without this impeding the functionality of the solar cell ().