Granted Patent
Utility
US 6,164,118 · App. 09/164,208
Calibration disk having discrete bands of calibration bumps
Inventors:
Shoji Suzuki, Daryl M. Shiraki, Jayadev P. Patel, Dan Frusescu, David Treves, Tuan H. Hua
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Sep 30, 1998
Inventors
Shoji Suzuki
Daryl M. Shiraki
Jayadev P. Patel
Dan Frusescu
David Treves
Tuan H. Hua
Assignee (at issue)
Komag, 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.