Coretec Inc. - Capabilities

 Standard Features Standard Capabilities Leading Edge  
 I/L trace/space .004/.004 [100/100]  .003/.003 [75/75]  **1 
 E/L trace/space .004/.005 [100/125] .003/.003 [75/75]  
 Pad over drill size for tangency 0.010 [250] 0.008 [200]  
 Antipad over drill 0.020 [500] 0.016 [400]  **2 
 Minimum mechanical drill size 0.008 [200]   0.006 [150]  **3 
 Minimum core thickness 0.002 [50] 0.001 [25]  
 Maximum copper weight 3 oz [105] 6 oz [210]  
 Minimum copper weight 1/2 oz [25] 1/8 oz [5]  
 Maximum aspect ratio 10:1 12:1  
 Maximum layer count 30+ 30+  
 Maximum board thickness 0.250 [6.25] 0.450 [11.25]  **4 
 Minimum board thickness 0.021 [525] 0.008 [200]  
 Solder mask registration ± 0.002 [50] ± 0.0015 [37.5]  
       
       
 Micro Via Features      
 Minimum micro via hole size 0.004 [100] 0.003 [75]  
 Maximum aspect ratio .7:1 1:1  
 Capture/target pad over drill size 0.008 [200] 0.006 [150]  
 Micro via copper hole plug Y Y  
 Glass reinforced dielectrics [UV/CO2 dual laser] Y Y  
       
       
 Materials      
 FR-4 (minimum 170Tg (DSC)) standard Y Y  
 Polyimide Y Y  
 Getek/Megatron (PPO) Y Y  
 Isola (all except 640 series and IS500) Y Y  
 Isola (IS640, IS500) N Y  
 BC2000 Y Y  
 Rogers (4000 series) Y Y  
 Rogers (3000, 5000, 6000, TMM series) N Y  
 Arlon N Y  
 Nelco (4000, 5000, 7000, 8000, 9000 series) N Y  
 Thermagon Y Y  
 Gore (Speedboard C, Speedboard N) N Y  
 Thermount N Y  
 Bromine free N Y  
 Taconics N Y  
       
       
 Surface Finishes      
 Hot air solder level Y Y  
 Electroless nickel immersion gold Y Y  
 Electrolytic nickel/gold Y Y  
 Immersion tin Y Y  
 Immersion silver Y Y  
 Selective finishes N  Y  **5 
 Wire bondable soft electrolytic gold Y Y  
 Tin-lead reflow N Y  **6 
 Organic solderability preservative Y Y  
       
       
 Other      
 Buried core vias Y Y  
 Sequential lamination Y Y  
 Optical drill Y Y  
 Impedance (single ended & differential) ± 10% ± 7%  
 Buried capacitance (planar/discrete) Y Y  
 Buried resistors N Y  
 Chip cavity N Y  
 Mixed dielectrics Y Y  
 Conductive/non-conductive hole fill Y Y  
 Metal core (aluminum, copper) N Y  
 Depth control drill/rout Y Y  
 Etchback (plasma) Y Y  
       

**1: .002/.002 [50/50] achievable assuming improvements in LDI resolution (6000+ DPI).
**2: Assuming CAF resistant laminate.
**3: Minimum drill size is dependent on aspect ratio.
**4: Coretec Denver facility capability. Standard maximum board thickness is .250".
**5: Dependent on design.
**6: Denver and Cleveland only.
**7: Cleveland only.

Measurements in inches [millimeters].


















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