Granted Patent
Utility
US 6,821,849 · App. 10/709,309
Split gate flash memory cell and manufacturing method thereof
Inventors:
Ko-Hsing Chang, Hann-Jye Hsu
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 28, 2004
Inventors
Ko-Hsing Chang
Hann-Jye Hsu
Assignee (at issue)
POWERCHIP SEMICONDUCTOR 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.