Kulicke & Soffa Enhances Thermal Compression Bonding (TCB) Technology for Co-Packaged Optics (CPO) to Boost AI Infrastructure

September 6, 2026

PR Newswire USA

Overview

Kulicke & Soffa (K&S) announced it is enhancing its advanced packaging portfolio, including Thermal Compression Bonding (TCB) solutions, for Co-Packaged Optics (CPO) applications to meet soaring AI infrastructure demand. The company’s TCB technology supports the industry’s transition from traditional pluggable optical modules to silicon photonics-based CPO, essential for achieving high-bandwidth, energy-efficient network architectures. This strategic move accelerates CPO implementation and contributes to next-generation data center performance improvements.

In Depth

Key Findings

Kulicke & Soffa (K&S) announced the strengthening of its advanced packaging portfolio, specifically focusing on Thermal Compression Bonding (TCB) solutions essential for Co-Packaged Optics (CPO) applications, in response to the surging demand for AI infrastructure. This advancement in packaging technology marks a critical step towards realizing high-bandwidth and energy-efficient AI network architectures.

Technical / Clinical Details

K&S’s Thermal Compression Bonding (TCB) technology is a high-precision process for forming fine-pitch interconnections, such as micro-bumps or hybrid bonds. In CPO, it is crucial to integrate the Application-Specific Integrated Circuit (ASIC) and optical engine in close proximity within the same package, and TCB serves as a primary bonding technique for this integration. K&S is refining its TCB technology to improve yield, optimize throughput, and enhance reliability in the manufacturing of CPO modules. This technology helps address the power consumption and signal loss issues inherent in traditional pluggable optical modules, accelerating the industry’s shift towards silicon photonics-based CPO. This dramatic shortening of electrical signal paths enables next-generation AI/High-Performance Computing (HPC) systems with multi-petabit per second bandwidth and significant power reductions, potentially exceeding 50%.

Background & Context

The explosive growth of AI workloads has placed unprecedented demands on data transfer speeds and power efficiency in data centers and high-performance computing systems. Traditional electrical interconnects and pluggable optical modules are reaching their limits in meeting these requirements, making Co-Packaged Optics (CPO) a highly anticipated next-generation solution. CPO leverages the advantages of optical communication by integrating optical components directly at the chip level, but this intricate integration necessitates extremely advanced packaging technologies. The commitment of leading semiconductor packaging equipment providers like K&S to enhance CPO-specific solutions is vital for the maturation and mass production of the CPO ecosystem.

Strategic Significance & Outlook

Kulicke & Soffa’s enhancement of TCB technology for CPO is a crucial catalyst for the evolution of AI infrastructure. This technological advancement will make CPO mass production a reality, enabling the construction of higher-performance and more energy-efficient AI data centers. In the future, the widespread adoption of CPO technology is expected to reduce data center power consumption and operational costs, promoting the sustainable growth of AI. K&S’s advanced packaging solutions will help resolve some of the most complex interconnect challenges facing the semiconductor industry, providing a foundation for further innovation in AI, HPC, and cloud computing sectors.

Source: https://www.prnewswire.com/news-releases/kulicke–soffa-advances-ai-infrastructure-through-co-packaged-optics-cpo-and-advanced-packaging-leadership-302865846.html

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