Computing & Infrastructure

Core Technical Advantages

• ◈ Adaptive to Extra-Large BGA: Excellent printing consistency solving cold solder joint issues for high-pin-count components.
• ◈ Extremely low residues: Ensuring stable dielectric constants around high-frequency signal lines.
• ◈ Thermal Optimization: Powerful fill capability combined with high thermal conductivity to reduce chip core temperature rise.
• ◈ Advanced Packaging Support: Fully compatible with PoP and SiP high-density assembly processes.

Application Process Analysis

Data center server mainboards typically feature high layer counts and ultra-thick copper designs, requiring soldering materials to have excellent wetting dynamics during the reflow phase. Alpha's high-performance solutions ensure 100% coverage in through-hole and underfill processes.

Additionally, for high-end GPUs and dedicated computing chips, our solutions effectively mitigate co-planarity issues in large array packaging, minimizing stress-induced substrate cracking. In the 24/7 continuous high-load operating environment, reliability is guaranteed.

The Innovative Solutions that Target Impacts of AI in PCB Manufacture and Assembly

The explosive growth of AI is pushing embedded systems, supercomputers, and data centers to their absolute operational limits. To meet demanding computational requirements, the electronics manufacturing supply chain—from advanced packaging to precision PCB fabrication—must evolve.

1. Moving Toward Exascale Computing

High Performance Computing (HPC) and data centers are aggressively transforming toward exascale computing to support immense AI workloads like Generative AI and MLLMs. This requires vast clusters of power-hungry GPUs, placing unprecedented strain on data center infrastructure.

2. Power and Thermal Challenges

With AI processors consuming up to 1000W and rack densities surpassing 100 kW, traditional air cooling is no longer viable.

Solution: Direct-to-Chip (DTC) and immersion cooling are essential. Highly conductive solder or sinter-based Thermal Interface Materials (sTIM) provide the durability, strong adhesion, and low thermal resistance required to efficiently transfer extreme heat from bare dies.

3. High-Speed Digital Communication

Transmitting massive volumes of AI data requires High-Density Interconnect (HDI) PCBs with line width/spacing (L/S) pushed down to 25/25 µm or lower.

Solution: Advanced Direct Metallization (DM) combined with modified Semi-Additive Processing (mSAP). DM provides a direct bond between base copper and electroplated copper, dramatically reducing interfacial defects and ensuring the reliability of microvias compared to traditional electroless copper plating.

4. Sustainability and Efficiency

As infrastructure scales, eco-friendly manufacturing is paramount.

Solution: DM processes eliminate hazardous substances like formaldehyde and reduce water and power consumption. Additionally, low-temperature lead-free solders allow reflow temperatures to drop to 175°C, reducing EMS energy consumption by over 30% per production run.