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:
Apr. 20, 2010
Filed:
Jan. 16, 2007
Steven Ross Codding, Underhill Center, VT (US);
Joseph R. Greco, South Burlington, VT (US);
Timothy Charles Krywanczyk, Essex Junction, VT (US);
Steven Ross Codding, Underhill Center, VT (US);
Joseph R. Greco, South Burlington, VT (US);
Timothy Charles Krywanczyk, Essex Junction, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A wafer processing method. The method includes providing a semiconductor wafer. The semiconductor wafer includes (i) a semiconductor layer and (ii) a dopant layer on top of the semiconductor layer. The dopant layer comprises dopants. The method further includes removing the dopant layer from the semiconductor wafer. No chemical etching is performed on the dopant layer before said removing the dopant layer is performed.