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:
Sep. 21, 2004
Filed:
Jun. 28, 2002
Applicant:
Inventor:
Sergei V. Koveshnikov, Vancouver, WA (US);
Assignee:
SEH America, Inc., Vancouver, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/100 ;
U.S. Cl.
CPC ...
H01L 2/100 ;
Abstract
A semiconductor wafer manufacturing is disclosed wherein an SOI wafer is produced by annealing a polysilicon layer deposited on a substrate wafer in an oxygen-containing ambient, and annealing the wafer at high temperatures to form an oxide layer at the interface of the substrate wafer and polysilicon layer. During the high temperature anneal, the polycrystalline silicon layer also recrystallizes to a monocrystalline state, and replicates the lattice structure of the substrate wafer.