Underfill Dispensing for AI and High-Performance Computing Devices

Protecting Critical Semiconductor Connections

As AI processors become larger and more powerful, manufacturers face increasing challenges related to mechanical stress and thermal cycling.

Every time a server powers on and off, semiconductor packages expand and contract due to temperature changes. These repeated cycles can place stress on solder joints connecting silicon devices to substrates.

What is Underfill?

Underfill is a specialized material dispensed beneath semiconductor packages to strengthen solder interconnections and improve reliability.

Benefits include:

  • Enhanced mechanical strength
  • Improved thermal cycle performance
  • Reduced solder fatigue
  • Increased product lifespan

GPD Global provides solutions for underfill dispensing applications and advanced semiconductor packaging processes.

Example: AI Accelerator Manufacturing

An AI accelerator may contain:

  • Large processor dies
  • High-bandwidth memory modules
  • Thousands of solder connections

A consistent underfill process helps protect these connections and maintain package integrity throughout the product lifecycle.

GPD Global Dispensing System

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Underfill Process

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Advanced Semiconductor Package

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AI GPU/CPU

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Data Center Server

Precision underfill dispensing strengthens semiconductor packages used in high-performance computing and AI applications.

Customer Benefits

  • Reduced field failures
  • Improved manufacturing yields
  • Greater reliability for mission-critical infrastructure

Recommended GPD Global Solutions

High Precision Dispensers

Designed to deliver highly repeatable underfill patterns for complex semiconductor packages.

Precision Dispense Pumps

Provide accurate control of:

  • Flow rate
  • Dispense volume
  • Material consistency

Typical Applications

  • Flip-chip packages
  • AI processors
  • GPU substrates
  • HBM memory assemblies
  • Advanced packaging

Schedule an Underfill Dispensing Evaluation

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