Participating in "JOINT3" Consortium to Develop Next-Generation Semiconductor Packaging

Published: 05 September 2025
 by Ryann Howard
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WESTFORD, MA, USA, September 4, 2025 – Zuken Inc. (President:　Katsube Jinya, hereinafter “Zuken”) has joined "JOINT3" consortium to develop next-generation semiconductor packaging. JOINT3 is a co-creation evaluation framework established by Resonac Corporation (President and CEO: Hidehito Takahashi, hereinafter “Resonac”) with the aim of accelerating the development of materials, equipment, and design tools optimized for panel-level organic interposers through collaboration among material, equipment, and design companies. JOINT3 brings together global leaders in semiconductor supply chain. Using a prototype line for 515 x 510mm panel-level organic interposers, the consortium promotes the development of materials, equipment, and design tools optimized for panel-level organic interposers.

Based on Zuken’s track record and expertise as an EDA vendor supporting customers in advanced packaging design, we participate in the practical implementation of next-generation semiconductor packaging design, manufacturing, and verification with panel-level organic interposers in JOINT3. And Zuken contributes to the establishment of optimal design and manufacturing process by developing tools and features to solve issues that emerge in the process.

In recent years, packaging for back-end processes has emerged as a key technology in the field of next-generation semiconductors. This includes 2.xD packages, whereby multiple semiconductor chips are arranged in parallel and connected via interposers, demand for which is expected to grow in line with the need for increased data communication capacity and speed. As semiconductor performance improves, interposers are becoming larger, and there is a shift from silicon interposers to organic interposers made from organic materials.

Conventional manufacturing methods involve cutting rectangular pieces from circular wafers. However, as interposers increase in size, the number of them that can be obtained from a single wafer decreases, posing a significant challenge. To address this issue, a manufacturing process that transitions from circular wafer shapes to square panel shapes is gaining attention, as it allows for an increased number of interposers to be produced from a given area of wafer.

Zuken has participated in various 2.5D and 3D package design, manufacturing, and verification projects, in addition to providing customers with advanced package design environments. Throughout the course of these projects, we have a proven track record in supporting the design and tool development for various technologies such as Chip stacking, Organic Package stacking, and various interposers. These experiences and technologies are consolidated into the CR-8000 Design Force's 2.5DIC/3DIC design and verification features, and the SoC/package/PCB collaboration design environment.

In JOINT3, Zuken engages in the practical implementation and validation of next-generation semiconductor packaging design and manufacturing using panel-level organic interposers. In addition to verifying the physical structure design and electronics design, Zuken is also planning to develop new functions such as preliminary verification in the design stage that takes into account the physical properties and chemical characteristics of various materials.

By collaboration and co-creation with other JOINT3 members, Zuken contributes to the evolution of design, manufacturing, and verification process for the next-generation semiconductor packaging with panel-level organic interposers. And Zuken aims to play a key role in the next-generation ecosystem and supply chain.

Overview of JOINT3

 

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