Granted Patent
Utility
US 6,495,449 · App. 09/520,107
Multilayered diffusion barrier structure for improving adhesion property
Inventor:
Tue Nguyen
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Mar 7, 2000
Inventor
Tue Nguyen
Assignee (at issue)
Simplus Systems Corporation
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.