HIGH DENSITY INTERCONNECT Special materials, blind/buried vias, HDI, microelectronics PCBs, microvias, and non-standard features (metal core, plated edge holes, heavy copper, etc.)PCB Assembly CapabilitiesPCB ASSEMBLY SERVICESSMT & Thruhole Assembly. Complex Assembly, Fast Turn & Low quantity available. Consigned or Turnkey components. Instant online assembly quotes available! ' Click to see all Please convey to all the Sierra Proto Express team our thanks for a job well done. We received the boards as promised and they are now in use in our production test areas. more... See more text