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Coretec Inc. - Capabilities

 Standard Features Standard Capabilities Leading Edge  
 I/L trace/space .5 oz copper .004/.004  .003/.003  
 I/L trace/space 1 oz copper .005/.005  .004/.004  
 I/L trace/space 2 oz copper .007/.007  .006/.006  
 I/L trace/space 3 oz copper .009/.009  .008/.008  
 Plated Layer trace/space .5 oz copper + plating .004/.005 .004/.004  
 Plated Layer trace/space 1 oz copper + plating .006/.006 .005/.005  
 Plated Layer trace/space 2 oz copper + plating .008/.008 .007/.007  
 Pad over drill size for tangency 0.012 0.010  **4 
 Antipad over drill 0.020 0.018  
 Minimum mechanical drill size 0.010   0.008  **1 
 Minimum core thickness 0.003 0.002 Non B/C  
 Maximum copper weight with UL approval 3 oz 4 oz  
 Minimum copper weight 1/2 oz 1/4 oz  
 Maximum aspect ratio 10:1 12:1  
 Maximum layer count 30+ 30+  
 Maximum board thickness (due to equipment constraints) 0.125 0.180   
 Minimum board thickness 0.002 0.002  
 Solder mask registration - dry film ± 0.010 ± 0.008  
 Solder mask registration - liquid photo imageable ± 0.0025 ± 0.002  
       
       
 Micro via features      
 Minimum micro via hole size 0.004 0.003  
 Maximum aspect ratio .75:1 .9:1  
 Capture/target pad over drill size 0.010 0.008  
 Glass reinforced dielectrics [UV/CO2 dual laser] Y Y  **3 
       
       
 Materials      
 FR-4 (130Tg & 180Tg) Y Y  
 Nelco 4000-13 (enhanced multifunctional resin) Y Y  
 Getek/Megatron (PPO) Y Y  
 Polyimide Y Y  
 Rigid flex Y Y  
 Multilayer flex Y Y  
 Rogers 4003 & 4350 (thermoset/ceramic/woven glass) Y Y  
 Rogers 3203 (PTFE/ceramic) N Y  
 Thermagon Y Y  
 Speedboard C N Y  
 Thermount N Y  
 Bromine free N Y  
 Taconics RF-35 (reinforced PTFE) N Y  
       
       
 Surface Finishes      
 Hot air solder level Y Y  
 Electroless nickel immersion gold Y Y  **3 
 Electrolytic nickel/gold Y Y  **3 
 Immersion tin Y Y  **3 
 Immersion silver Y Y  **3 
 Selective finishes N  Y  **2 
 Wire bondable soft electrolytic gold Y Y  **3 
 Tin-lead reflow N Y  **6 
 Organic solderability preservative Y Y  **3 
       
       
 Other      
 Buried core vias Y Y  
 Sequential lamination Y Y  
 Sculptured flex N Y  
 Book binder rigid flex N Y  **2 
 Optical drill N Y  **3 
 Impedance (single ended & differential) ± 10% ± 7%  **2 
 Chip cavity N Y  
 Mixed dielectrics Y Y  
 Conductive/non-conductive hole fill Y Y  **2 
 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.


















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