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Nothing wrong with NIM sims. Tweak paramters untill we find the closest to what our lens likely really is. ... Edge diffraction in small ( 50l) lenses is ...
Each designer or each EOM has his own definition, but several items could take in consideration for "High Performance" PWB's : 1.) Boards with special thermal requirements : they will operate continuously or intermittently in high temperature environments they will have a high concentrations of power in small areas 2.) Large or high layer count multilayers : base material elongation specially with thin core boards with complex etched patterns : requiring precise registration
UC Santa Cruz. March 2001 Baseline. With 8 layers, tracker is nearly. continuous (by some people's ... Cross-over with Fantasy Tracker' at 90 GeV/c. Cross-over ...