Acquisition of yields 3 to 4 usable decades in time for each sequence.
The combined sequences result in 5 to 6 decades in time, with a possibly too large
deviation of
from the reference
set at the DSO during the first
decade1 .
In the remaining decades the data can be either fit by a logarithmic
time-dependence
![]() | (6.1) |
with , or a power-law
with a very small
exponent
.
is obtained at stress-level with a delay
and thus
not equal to
[40] and results in an offset of the relative degradation, see
Fig. 6.6.