Granted Patent
Utility
US 6,784,091 · App. 10/250,133
Maskless array protection process flow for forming interconnect vias in magnetic random access memory devices
Inventors:
Joachim Nuetzel, Christian Arndt, Greg Costrini, Michael C. Gaidis, Xian Jay Ning
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Jun 5, 2003
Inventors
Joachim Nuetzel
Christian Arndt
Greg Costrini
Michael C. Gaidis
Xian Jay Ning
Assignees (at issue)
International Business Machines Corporation
Infineon Technologies AG
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.