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Process Guides

HDI PCB Manufacturing: Equipment for Any-Layer Builds

High-density interconnect (HDI) boards use microvias, thin dielectrics and fine lines to pack more routing into less area. They demand laser drilling, fine-line imaging and tightly controlled plating.

Overview

Understanding hdi pcb manufacturing means understanding both the process chemistry/mechanics and the machines that control it. Here is what matters. HDI requires laser-formed microvias, LDI or fine-line exposure for sub-50 µm features, sequential lamination of thin cores, and plating that reliably fills small vias. Registration accuracy across build-up layers is the dominant yield driver.

Where It Fits in the Process

HDI is not one stage but a coordinated set of capabilities spanning imaging, drilling, plating and lamination held to tighter tolerances than standard multilayer.

Equipment Categories Involved

Key Considerations

Laser direct imaging (LDI) removes film and improves registration; sequential build-up multiplies process passes and inspection points.

Standards and Compliance

Designs and processes in this area commonly reference:

  • IPC-6016 (HDI)
  • IPC-2226 (HDI design)
  • IPC-A-600

Selection and Comparison

Key trade-offs when specifying for hdi pcb manufacturing:

  • Through-hole vs. microvia HDI
  • LDI vs. conventional film exposure
  • Standard multilayer vs. any-layer HDI

Recommended Equipment from acfindustry.com

The following machines from our catalog support the processes discussed above:

Related Topics

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Frequently Asked Questions

What is HDI PCB Manufacturing?

HDI requires laser-formed microvias, LDI or fine-line exposure for sub-50 µm features, sequential lamination of thin cores, and plating that reliably fills small vias. Registration accuracy across build-up layers is the dominant yield driver.

What should I consider for hdi pcb manufacturing?

Laser direct imaging (LDI) removes film and improves registration; sequential build-up multiplies process passes and inspection points.

What equipment is used for hdi pcb manufacturing?

It involves Drilling and Via Formation Equipment, Imaging and Photo Process Equipment, Plating and Metallization Equipment, and Lamination and Multilayer PCB Equipment. You can browse each category and request a matched configuration through the equipment finder.

Where does hdi pcb manufacturing fit in the PCB process?

HDI is not one stage but a coordinated set of capabilities spanning imaging, drilling, plating and lamination held to tighter tolerances than standard multilayer.

Which standards apply to hdi pcb manufacturing?

Relevant standards include IPC-6016 (HDI), IPC-2226 (HDI design), and IPC-A-600.

How do I get a quotation for hdi pcb manufacturing equipment?

Use the equipment finder on this page to specify your process stage, board type, automation level and production volume, then submit the inquiry. An engineer from acfindustry.com will respond within one business day.