One-Stop HDI PCB for AI, GPU, and High-Speed Applications

HDI PCB for AI, GPU, and High-Speed Applications

HDI PCBs represent PCBONLINE's advanced PCB manufacturing capabilities for high-density, high-speed, and high-power electronic applications. Our HDI PCB manufacturing and assembly support AI servers, GPU platforms, high-performance computing systems, and high-speed communication equipment.

PCBONLINE manufactures and assembles advanced HDI PCB designs based on FR4, flexible, and rigid-flex PCB technologies. With laser microvia capabilities down to 0.075mm, precise impedance control within ±2%, and extensive experience in thermal management, we provide reliable PCB service for demanding applications requiring signal integrity, miniaturization, and high power density.

Our HDI PCBs are suitable for GPU-based systems and AI hardware platforms that require dense interconnections, internal layer interconnects, and stable high-speed signal transmission. By combining fine-line routing, microvia technology, and plated copper filling processes, PCBONLINE helps customers develop reliable electronic products for AI, computing, automotive, and industrial applications.

HDI PCB Manufacturing and Assembly

PCBONLINE combines advanced DFM expertise with vertically integrated manufacturing capabilities to provide end-to-end HDI PCB fabrication and assembly. Founded in 2005, we operate two advanced PCB manufacturing bases, a turnkey PCB assembly factory, and a smart OEM center, with a daily PCB production capacity of 3,000m².

HDI PCB manufacturing requires precise control of sequential lamination, laser microvia formation, and via reliability. Our HDI process includes mechanical drilling for buried vias, inner-layer lamination, laser drilling of microvias, microvia filling, stacked or staggered microvia structures for blind vias, and sequential lamination of outer layers. Through strict process control, impedance testing, and copper thickness inspection, we ensure reliable electrical performance and manufacturing consistency.

With in-house PCB assembly capabilities, PCBONLINE supports complete HDI solutions from fabrication to assembly. Our automatic SMT lines handle advanced components including 01005 and 0201 packages, fine-pitch BGAs, and QFP devices, enabling reliable assembly for high-density HDI PCB designs used in AI hardware, computing systems, and other advanced electronic applications.

HDI PCB Technology for AI Hardware and High-Speed Systems

PCBONLINE offers mature, advanced HDI PCB technologies for AI hardware, GPU platforms, and high-speed computing systems where signal integrity, electrical performance, and thermal reliability are critical. With extensive experience in high-density interconnect manufacturing, we support complex PCB designs requiring miniaturization, high layer counts, and stable high-speed signal transmission.

Our HDI PCB capabilities include advanced stack-up structures from 1+N+1 to 4+N+4, any-layer HDI interconnection, up to 64 copper layers, impedance control within ±2%, and laser microvia drilling down to 0.075mm.

Microvia structures up to 4+N+4: PCBONLINE supports HDI stack-ups from 1+N+1 to 4+N+4 and any-layer interconnection with multiple sequential lamination cycles to create stacked or staggered microvia structures.Copper layers up to 64: We can manufacture HDI PCBs up to 64 layers, supporting complex board architectures and miniaturized designs. GPU PCBs for AI hardware and high-speed computing typically have 24 or more layers with inner-layer interconnections; our HDI PCB capabilities meet requirements and go beyond.Laser via drilling and filling: Our laser drilling technology supports microvia apertures down to 0.075mm with a maximum aspect ratio of 1:1. After laser drilling, microvias can be filled with resin and plated with copper or silver to achieve flat and reliable via structures for stacked and staggered HDI designs. These processes improve routing density and support high-speed signal performance.Signal integrity and impedance control: Throughout HDI PCB DFM and manufacturing, we conduct impedance control calculations, trace width/space control within ±0.02mm, varying copper thicknesses, copper thickness inspection, and via filling to maintain the impedance tolerance within ±2%.Thermal management: AI servers and high-performance computing platforms require both high-speed signal transmission and effective heat dissipation. PCBONLINE has extensive experience in thermal management design, including 3D thermal structures and the separation of thermal and electrical networks. Our HDI PCB solutions support high-power electronic systems by balancing signal integrity, power delivery, and thermal performance.