Burid And Blind Via HDI PCB Boards made in China Product Highlights锛?br/> High precision and difficulty blind and buried hole board,Robotics sensor board with BGA pad and complicated laminated construction Professional PCB engineer for one-to-one service PCB material guranteed(ShengYi S1000-2M) Matte Dark Green TAIYO "PSR-4000", Product parameter锛?/strong> Layers 8L HDI board Material FR-4 Thickness 1.58mm +/-10% Surface processing ENEPIG(AU:2U" Copper thickness 1 oz Drill hole(Min.) 0.1mm Min. line space 3mil Min. line width 3mil Size: 91mm*75mm Application area: Robotics or Gita board Burid And Blind Via HDI PCB Boards made in China website:http://www.ibe-technology.net/....pcb/burid-and-blind-