Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
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Model of Contacts with Effects of Hous<strong>in</strong>g Overlay<br />
CSP 0.5 mm<br />
TLIN<br />
TL4<br />
Z=48.5497 Ohm opt{ 40 Ohm to 50 Ohm }<br />
E=7.11405 opt{ 6 to 13 }<br />
F=1 GHz<br />
TLIN<br />
TL5<br />
Z=43.0871 Ohm opt{ 40 Ohm to 50 Ohm }<br />
E=9.38041 opt{ 8 to 11 }<br />
F=1 GHz<br />
Term<br />
Term5<br />
Num=5<br />
Z=50 Ohm<br />
TLIN<br />
TL3<br />
Z=50.0 Ohm<br />
E=-9.18889 opt{ -13 to -7.5 }<br />
F=1 GHz<br />
TLIN<br />
TL2<br />
Z=34.5 Ohm opt{ 32 Ohm to 36 Ohm }<br />
E=2.2 noopt{ 1.4 to 2 }<br />
F=1 GHz<br />
Term<br />
Term6<br />
Num=6<br />
Z=50 Ohm<br />
GOAL<br />
Goal<br />
OptimGoal1<br />
Expr="mag(Data_m<strong>in</strong>us_loss-S55)"<br />
SimInstanceName="SP1"<br />
M<strong>in</strong>=<br />
Max=.000001<br />
Weight=<br />
RangeVar[1]=<br />
RangeM<strong>in</strong>[1]=<br />
RangeMax[1]=<br />
OPTIM<br />
Optim<br />
Optim1<br />
OptimType=Gradient<br />
ErrorForm=L2<br />
Ma xIters =25<br />
P=2<br />
DesiredError=0.0<br />
StatusLevel=4<br />
SetBestValues=yes<br />
Seed=<br />
Sa ve Solns=ye s<br />
Sa ve Goa ls=ye s<br />
SaveOptimVars=no<br />
UpdateDataset=yes<br />
SaveAllIterations=no<br />
Us e AllOptVa rs =ye s<br />
Us e AllGoa ls =yes<br />
TL3: Its negative electrical length<br />
resets the phase to zero from<br />
the contacts to the edge of<br />
hous<strong>in</strong>g.<br />
TL4 and TL5: Represent lower<br />
impedance of coplanar<br />
waveguide l<strong>in</strong>es under<br />
hous<strong>in</strong>g to contacts.<br />
TL2: Is the transmission l<strong>in</strong>e<br />
represent<strong>in</strong>g the contacts,<br />
one signal and two grounds<br />
on either side<br />
Julius Botka<br />
BITS.ppt 10/31/01<br />
Page 24
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