Granted Patent
Utility
US 5,628,823 · App. 08/675,550
Process for eliminating dislocations in the neck of a silicon single crystal
Inventors:
Sadasivam Chandrasekhar, Kyong-Min Kim
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Jul 3, 1996
Inventors
Sadasivam Chandrasekhar
Kyong-Min Kim
Assignee (at issue)
MEMC Electronic Materials, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.