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:
Nov. 13, 2012
Filed:
Jul. 30, 2010
Applicants:
Guoqiang David Zhang, Ballwin, MO (US);
Roland R. Vandamme, Wentzville, MO (US);
Inventors:
Guoqiang David Zhang, Ballwin, MO (US);
Roland R. Vandamme, Wentzville, MO (US);
Assignee:
MEMC Electronic Materials, Inc., St. Peters, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A silicon-on-insulator or bonded wafer includes an upper portion having a trapezoid shape in cross-section and a lower portion having an outer peripheral edge having a curved shape.