AMD and IBM have said they have successfully produced a working test
chip utilizing “full-field” EUV lithography for the critical first
layer - instead of ‘narrow field’ (R&D sample applications) - in
the fabrication process across an entire 22mm x 33mm AMD 45nm node test
chip.
“This important demonstration of EUV lithography’s potential to be used
in semiconductor manufacturing in the coming years is encouraging to
all of us in the industry that benefit from chip feature sizes
shrinking over time,” said Dr. Bruno La Fontaine of AMD. “Although
there is still a lot of work to be done before the industry can use EUV
lithography in high volume production, AMD has shown it can be
integrated successfully in a semiconductor fabrication flow to produce
the first layer of metal interconnects across a full chip.”
The
AMD test chip first went through processing at AMD’s Fab 36 in Dresden
then shipped for imaging using the EUV Alpha tool from ASML at the
College of Nanoscale Science and Engineering (CNSE) in Albany, New York.
The
next step will be to apply EUV to all critical layers including metal
interconnects to demonstrate that a complete working microprocessor can
be fabricated using EUV lithography.