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:
Mar. 24, 2015
Filed:
Feb. 27, 2013
Avantor Performance Materials, Inc., Center Valley, PA (US);
Nicolas Hildenbrand, Deventer, NL;
Joannes Theodorus Valentinus Hoogboom, Deventer, NL;
Michiel Scheffer, Arnhem, NL;
Raymond Albertus Johannes Ten Broeke, Raalte, NL;
Avantor Performance Materials, Inc., Center Valley, PA (US);
Abstract
Compositions and methods for chemical texturing a surface of a polycrystalline silicon wafer to be used in the manufacture of solar cells provide increased efficiency in the manufacture and operation of solar cells. The compositions and methods disclosed herein include first and second components, wherein the first component is a UKON etch composition, including a hydrofluoric acid/nitric acid mixture and water, while the second component includes a silicon wafer texturing enhancer (SWTE).