Advanced Circuits, Inc. (ACI)

As experts in the manufacture and assembly of printed circuit boards, we work to make our blog a helpful resource on PCB topics and the industries that we work with, including automotive, consumer electronics, aerospace and many more. Here you'll find insights into PCB design, tech trends, assembly issues, and trending topics in the general news media as they relate to printed circuit board technology.

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Exacting Precision and Capabilities Required for HDI PCBs

HDI PCBs are increasingly becoming more common as consumers demand for smaller and more capable electronics grows and electronic design engineers push the limits of technology.  HDI PCBs, short for High Density Interconnect printed circuit boards, take a great deal of precision to manufacture using specialized equipment and the skills of highly trained technicians.  Unlike most traditional circuit boards, HDI PCBs have extremely thin lines, much tighter tolerances, high conductive layer counts, and a higher concentration of pads in a smaller area to fit more (and smaller) components on both sides of the circuit board to achieve a greater level of functionality and performance from a single circuit board.

HDI PCB Fabrication Capabilities

Advanced Circuits operates three state-of-the-art PCB manufacturing facilities in the US with the capabilities, qualifications, certifications, and the expertise to meet the most demanding requirements for HDI PCB fabrication.  Our broad range of printed circuit board fabrication capabilities support the stringent requirements for advanced HDI PCB design in all industries including medical, aerospace, defense, and commercial markets.

Advanced Circuits Supports up to 40 layers boards, laser drilled microvias, stacked microvias, blind vias, buried vias, via-in-pad, laser direct imaging, sequential lamination, .00275″ trace/space, fine pitch down to .3mm, controlled impedance and much more.  Advanced Circuits is able to manufacture HDI PCBs with no minimum order requirements and with flexible turn-time options.  Each design receives a detailed review by our CAM engineers prior to production to ensure a worry-free fabrication process and support team is available 24 hours a day Monday-Friday, even Saturdays until 4pm EST, to assist with your HDI PCB order.

HDI PCB Materials

HDI PCBs use advanced laminate materials that tend to be much thinner than the materials used in more conventional printed circuit boards.  Because HDI PCBs demand an elevated level of precision and accuracy for fabrication and overall performance, specialty materials that meet certain specifications are required.  Advanced Circuits offers a wide range of material options suitable for a variety of HDI PCB specifications sourced from top industry providers such as 3M, Arlon, Bergquist, Isola, Rogers, ITEQ, Taconic, Ventec and others.  You can rely on Advanced Circuits, one of the largest PCB manufacturers in North America, to source the materials for your next HDI PCB design.  Our laminate offerings include:

  •  Ultra-Low Loss
  • Halogen Free
  • High Speed Digital
  • High Thermal Reliability
  • Lead-Free High Tg
  • RoHS Compliant

To download the complete list of Advanced Circuits printed circuit board manufacturing capabilities, material offerings, and certifications, click here (PDF).


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