The SEMs show 3 µm Cu deposited on
a 5: 1 aspect ratio line.
There is a continuous metal film on the walls.
Up to 8 µm thick Cu films have been deposited.
It is normally necessary to do an in situ
preclean and to deposit an adhesion layer first.
The system can do that in an automatic sequence.
Plasmalab System 400 (max 4 200 mm targets)
24 nm/ min in rotating (batch) mode (at 1 kW)
Resistivity ~ 2.0 µohm.cm
uniform and repeatable process
excellent step coverage