MICRO-VIA TECHNOLOGY    
     Description:   4 to 12 layers  
     Base Material:   FR4 Prepreg or Laser drillable Prepreg  
     Min. Board Thickness : 16 mils (4 layers)  
     Min. Line/Spacing : 4/4 mils  
     Min. Hole Size :    4 mils (laser)  
     Surface Finish :    OSP, HASL, Immersion Gold, Immersion Silver, Immersion Tin  
     Drilling Method:   CO2 Laser Drilling 
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