Precision Motion Systems: The Future of Semiconductors

Semiconductor Review | Tuesday, September 17, 2024

SEMs are great tools to measure the nanoscale dimensions of chips, ensuring they comply with design specifications. Positioners are crucial for these tools since they can only be as precise as their least accurate subsystems.

Fremont, CA: Precision motion systems in semiconductor manufacturing are crucial to innovation. The industry develops smaller node manufacturing, advanced packaging techniques, and photonic integrated circuits to increase processing power density.

Continued Node Miniaturization

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The semiconductor industry constantly strives for miniaturization, and some company's extreme ultraviolet (EUV) lithography machines make the most advanced microchips. Precision in manufacturing processes is key, including EUV lithography machines and scanning electron microscopes (SEMs). These systems must be accurate and repeatable to ensure chips are made to specs and have viable yields. Through highly calibrated positioners and optics manufactured to nanometer-level tolerances, EUV light is generated by vaporizing tin droplets at up to 50,000 droplets per second using pulses from a CO2 laser, then being directed through the machine precisely. During wafer manufacturing, there's a chance of undesirable deviations, which affect chip performance. SEMs are great tools to measure the nanoscale dimensions of chips, ensuring they comply with design specifications. Positioners are crucial for these tools since they can only be as precise as their least accurate subsystems.

Emergence of Advanced Packaging Techniques

Packaging techniques like heterogeneous integration and 3D stacking improve chip performance and functionality. In heterogeneous integration, several semiconductor devices are combined into a single package. At the same time, in 3D stacking, multiple layers are stacked vertically to increase packing density, using silicon or glass interposers and monolithic 3D integration.

Semiconductor companies use advanced packaging methods in artificial intelligence applications to enhance performance. Their technology increases compute density and power efficiency. Motion and precision positioning systems are crucial to executing packaging techniques and making silicon and glass interposers that ensure fully functional electrical connections.

Deployment of Photonic Integrated Circuits

PICs (photonic integrated circuits) are a rapidly growing semiconductor technology that uses light particles to transfer data quickly. Silicon photonics companies are driving innovations to make data centers and high-performance computing more reliable, cheaper, and energy efficient. The alignment of optical components, like light sources, fibers, waveguides, gratings, and detectors, is crucial for assembly and testing, and precision motion control is essential for scaling.

 

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