Granted Patent
Utility
US 6,451,508 · App. 09/561,472
Plural interleaved exposure process for increased feature aspect ratio in dense arrays
Inventors:
Scott Bukofsky, Gerhard Kunkel, Alan C. Thomas
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Apr 28, 2000
Inventors
Scott Bukofsky
Gerhard Kunkel
Alan C. Thomas
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.