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Stackup (Material Selection (SI Requirements (Critical Signals Frequency,…
Stackup
Material Selection
SI Requirements
Critical Signals
Frequency
Df / Dk
Cu Profile
Resin/Glass Type
Weave style
Rotation
Where are the critical net locations?
Impedance Requirements
Number of coupons required?
Layer Count
Overall Thickness
PI Requirements
Voltage Drop
Where are the critical power paths?
Impedance Requirements
Number of coupons required?
P/G plane strategy
HDI?
Other Mechanical Properties?
MCO dimensions
Common Sheet Sizes
Process
Drilling
Lamination
Registration
Reliability
Shelf-life
CAF resistance
Supply
Easy to procure?
Stocked at Wuzhu?
Able to use the same stackup on multiple PNs?