The semiconductor industry is experiencing one of the largest periods of investment in its history. New fabrication facilities are being built, advanced packaging capacity is expanding, and governments around the world are investing billions to strengthen domestic semiconductor manufacturing.

Yet one essential part of the semiconductor ecosystem doesn’t get nearly as much attention as chip design or wafer fabrication: wafer test.

Whether it’s powering an AI processor, a smartphone, or an automotive system, every semiconductor device must be tested before it reaches the market. As AI processors, high-bandwidth memory (HBM), advanced packaging, and automotive electronics continue pushing performance boundaries, wafer test infrastructure has become just as essential as fabrication capacity.

Without enough testing capacity, even the world’s most advanced chips can become bottlenecked before they ever reach customers.


Wafer Test Is Essential to Semiconductor Manufacturing

Before a semiconductor device is packaged, it undergoes wafer test to verify electrical performance and identify defective dies while they are still on the wafer.

Testing devices at this stage gives manufacturers valuable insight into yield, process variation, and overall device performance before additional manufacturing costs are incurred. Finding problems early helps reduce manufacturing costs while preventing defective devices from advancing further through production.

At the heart of wafer testing are probe cards, which create the electrical connection between automated test equipment (ATE) and each individual die.

Probe cards may look straightforward, but they’re highly engineered systems built to deliver consistent electrical contact across thousands of test cycles while meeting increasingly demanding performance requirements.

As semiconductor devices continue to become more complex, probe card technology and wafer test capabilities must evolve alongside them.

AI and Advanced Packaging Are Raising the Bar

Several technology trends are making wafer test significantly more challenging.

Artificial intelligence workloads require dramatically higher memory bandwidth and processing performance. Chiplet architectures introduce additional complexity through heterogeneous integration. Advanced packaging technologies continue shrinking interconnect pitches while increasing I/O counts.

Each of these innovations creates new challenges for wafer-level testing.

Engineers must capture increasingly precise measurements while maintaining throughput and manufacturing efficiency. Probe cards must support finer geometries, higher frequencies, tighter tolerances, and more demanding electrical requirements than ever before.

Today, wafer test does far more than verify that a device functions as intended. It plays an important role in optimizing yield, improving reliability, and helping manufacturers bring advanced semiconductor technologies to production at scale.


Infrastructure Is More Than Just Buildings

When people think about semiconductor infrastructure, they often picture fabrication plants filled with expensive manufacturing equipment.

In reality, the semiconductor ecosystem depends on a much broader network that includes:

  • Advanced manufacturing facilities
  • Wafer test and probe card production
  • Engineering and R&D laboratories
  • Specialized equipment suppliers
  • Highly skilled technical workforces
  • Regional supplier ecosystems

Together, these capabilities give the industry the foundation it needs to innovate while building a more resilient supply chain. Expanding wafer test capacity is particularly important because every wafer produced ultimately requires testing before devices can move downstream.


Public Investment Is Helping Strengthen Domestic Manufacturing

Recognizing the strategic importance of semiconductors, federal and state governments have launched initiatives aimed at strengthening domestic manufacturing capabilities.

But these investments aren’t limited to wafer fabrication. They also encourage expansion across the broader semiconductor supply chain, including design, packaging, materials, equipment, and wafer test infrastructure.

Texas has become one of the nation’s fastest-growing semiconductor hubs through investments in manufacturing, workforce development, and advanced technology infrastructure.

Programs such as the Texas Semiconductor Innovation Fund (TSIF) are designed to encourage projects that expand semiconductor research, manufacturing, and related technologies throughout the state.


FormFactor’s Texas Expansion Reflects a Broader Industry Trend

A recent example of this momentum is FormFactor’s expansion in Farmers Branch, Texas.

The company is establishing a new probe card manufacturing facility that is expected to create more than 600 new jobs while representing approximately $140 million to $170 million in capital investment.

In July 2026, Governor Greg Abbott announced that the project would receive a $24.2 million grant through the Texas Semiconductor Innovation Fund. According to the Governor’s Office, the investment supports Texas’ continued efforts to strengthen semiconductor manufacturing, expand workforce development, and reinforce domestic supply-chain capabilities.

The new facility will manufacture FormFactor’s advanced probe cards used in wafer-level semiconductor testing, helping support growing demand for technologies used across AI, high-performance computing, automotive electronics, communications, and other advanced semiconductor applications.

While this marks an important milestone for FormFactor, it also reflects a broader trend across the semiconductor industry.

As next-generation devices become more sophisticated, investments in wafer test infrastructure are becoming just as important as investments in fabrication capacity.


The Future of Semiconductor Innovation Depends on the Entire Ecosystem

Breakthrough semiconductor technologies do not reach customers through design innovation alone.

They depend on an ecosystem that can design, manufacture, test, package, and deliver increasingly sophisticated devices at production scale.

Investments like FormFactor’s new Texas manufacturing facility show how expanding semiconductor test capacity helps support both innovation and long-term industry growth. In addition to creating hundreds of high-skilled jobs, the new facility strengthens domestic manufacturing capabilities and reinforces the critical role wafer test plays in the semiconductor value chain.

As AI, advanced packaging, high-speed communications, and next-generation computing continue to reshape the industry, the ability to test devices accurately and at scale will be just as important as the technologies themselves.