Granted Patent
Utility
US 6,429,091 · App. 09/733,324
Patterned buried insulator
Inventors:
Bomy Chen, Alexander Hirsch, Sundar Iyer, Nivo Rovedo, Hsing-Jen Wann, Ying Zhang
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Dec 8, 2000
Inventors
Bomy Chen
Alexander Hirsch
Sundar Iyer
Nivo Rovedo
Hsing-Jen Wann
Ying Zhang
Assignees (at issue)
International Business Machines Corporation
Infineon Technologies North America Corp.
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.