Granted Patent
Utility
US 6,259,309 · App. 09/305,434
Method and apparatus for the replacement of non-operational metal lines in DRAMS
Inventors:
Gerhard Mueller, Toshiaki Kirihata
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: May 5, 1999
Inventors
Gerhard Mueller
Toshiaki Kirihata
Assignees (at issue)
International Business Machines Corporation
Siemens Microelectronics, Inc.
SMI CO., LTD.
Seimen Dram Semiconductor Corp.
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.