Sockets and Thermal Control Units

Essai, Inc.

Pioneering custom solutions and mastering technological challenges

Customers operating in today's fast-paced technological landscape often grapple with intricate requirements and tight schedules.

Essai, an Advantest group company, is proficient in custom engineering and manufacturing, maintaining the key to tackling these challenges. By drawing on the skill and experience of industry veterans across multiple disciplines - engineers, researchers, developers, machinists, assemblers, and quality personnel - Essai can meet complex customer needs with precision and efficiency. This blend of experience and collaboration results in optimized processes and cost-effective results delivered on time.

Since 2003, Essai has been at the forefront of developing innovative solutions for leading technology and electronics companies. The width and breadth of expertise, combined with advanced manufacturing capabilities, are key to making Essai the preferred engineering solutions partner for innovative companies.

Today, as a subsidiary of Advantest, a global leader in semiconductor test equipment, Essai leverages advanced technologies, industry insights, and a global distribution network, ensuring customers have access to the best of what the industry has to offer.

Your one-stop shop for tailored engineering solutions and streamlined supply chain management

Companies requiring tailored solutions for specific, often complex needs will find Essai's custom-engineered solutions invaluable. Essai's skilled engineers and developers can design and manufacture products that precisely meet customers' unique specifications.

With a diverse product range, Essai can act as a one-stop solution for customers, simplifying supply chain management and reducing the need for multiple vendors. The product range includes ATE/SLT/ENG test sockets, thermal control units, printed circuit boards (PCBs), actuation systems, interconnects, factory fixtures, and test hardware.

Essai's suite of services and products, backed by a team of experienced professionals and the support of a global leader, addresses the multifaceted challenges faced by technology and electronics companies. Whether our customers need a custom-engineered thermal control unit, a test socket solution for a new semiconductor, or an optimized factory fixture design, Essai's solutions are tailored to meet specific needs efficiently, effectively, and timely.

The functional teams provide the following products and services:

  • NPI/NPD Support
  • Custom Test Socket/Interconnect and Thermal Solution Design
  • Leading Edge Manufacturing
  • High Volume Assembly
  • In-House Quality and Development Test Capabilities
  • Highly Customized Products

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Custom, High-Performance Solutions

Essai, with its extensive experience in various stages of testing and characterization, is adept at handling the most advanced semiconductors, test hardware, board-to-board, and automated connection cells.

The knowledge and skills gained from working with these advanced technologies are channeled into creating customer-centric solutions. These include specialized socket and interconnect solutions widely used in Automated Test Equipment (ATE), System-Level Test (SLT), and various engineering applications. Key areas where Essai's solutions make a difference are in the highly integrated, High-Power Computing segments, including CPU, Server, GPU, Artificial Intelligence, and System on a Chip (SOC) applications.

At Essai, we uphold stringent testing standards. Our comprehensive reliability testing covers operating cycles and critical functional parameters, such as force, contact resistance, and deflection. This diligent approach ensures that each component can withstand various challenges in its working environment.

Our analytical lab, equipped with the most advanced inspection and measurement tools, is dedicated to delivering the highest levels of performance and accuracy. These state-of-the-art resources are leveraged to validate our solutions and maintain our unwavering commitment to quality.

Moreover, we understand that high-volume production environments pose unique challenges. Hence, only those solutions that pass our rigorous tests and meet the exacting needs of such environments receive our seal of approval. This diligent vetting process signifies our commitment to ensuring our solutions are well-suited for real-world applications, delivering reliability and performance when our customers need it most.

The range of solutions includes:

  • HVM-proven socket solutions for LGA, BGA, and other packages
  • Custom proprietary "Titan" family of spring probes
  • Low inductance pin options
  • Full height impedance controlled coaxial technology
  • Hybrid/Partial impedance controlled coaxial technology
  • High current carrying probe options
  • PoP package dual-side contact solutions
  • Capital equipment solution integration

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Essai's Advanced Facility: Delivering Global Solutions

Essai takes pride in its state-of-the-art mechanical fabrication facility, one of the most advanced in North America. Our dedicated teams operate around the clock, staying responsive to the ever-evolving global demands. Our operational model prioritizes flexibility, allowing us to adapt swiftly to our clients' distribution needs and market changes.

All our proprietary production processes fall under a comprehensive, fully auditable ISO framework to ensure the utmost quality. Furthermore, our facility is equipped with highly automated tools designed for uninterrupted operation, ensuring our capability to accommodate flexible manufacturing.

Our robust facility and dynamic operations not only facilitate efficiency but also guarantee adherence to quality standards. At Essai, we are committed to delivering excellence, and our advanced mechanical fabrication facility is a testament to this promise.

Harmonized Blend of Tools and Capabilities

  • State-of-the-art 5 axis simultaneous CNC Mills
  • Turning and screw machines
  • Electric discharge machining (EDM)
  • Fused deposition modeling (FDM)
  • Custom tooling for increased parallelism
  • "Lights out" production capable
  • In-House high-volume assembly and test
  • Factories located in Fremont, California, and Phoenix, Arizona