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. 30, 2017
Filed:
Apr. 23, 2012
Applicants:
Robert K. Barr, Shrewsbury, MA (US);
Corey O'connor, Worcester, MA (US);
Inventors:
Robert K. Barr, Shrewsbury, MA (US);
Corey O'Connor, Worcester, MA (US);
Assignee:
Sun Chemical Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 13/00 (2006.01); C09K 13/08 (2006.01); H01L 31/0236 (2006.01);
U.S. Cl.
CPC ...
C09K 13/08 (2013.01); H01L 31/0236 (2013.01);
Abstract
An aqueous acidic composition which includes alkaline compounds, fluoride ions and oxidizing agents is provided for texturing polycrystalline semiconductors. Methods for texturing are also disclosed. The textured polycrystalline semiconductors have reduced reflectance of light incidence.