Granted Patent
Utility
US 6,124,141 · App. 09/004,074
Non-destructive method and device for measuring the depth of a buried interface
Inventors:
K. Paul Muller, Venkatachalam C. Jaiprakash
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Jan 7, 1998
Inventors
K. Paul Muller
Venkatachalam C. Jaiprakash
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.