As South Korea continues to solidify its position as a global epicenter for semiconductor manufacturing, 5G network deployment, and aerospace innovation, the demand for high-performance materials like Kovar (4J29) has reached an all-time high. Kovar, an iron-nickel-cobalt alloy, is engineered with a controlled thermal expansion coefficient that matches borosilicate glass, making it the indispensable choice for hermetic seals in high-reliability electronic packages.
In the context of the Korea "K-Semiconductor Belt" initiative, manufacturers are seeking Tier-1 suppliers who can provide not just raw materials, but high-precision, CNC-machined Kovar shells that meet the rigorous standards of ISO 9001 and MIL-SPEC requirements. Our factory serves as a critical bridge in this supply chain, delivering custom Kovar 4J29 solutions that empower Korean tech giants and emerging startups alike.
The industrial landscape in Korea, particularly in regions like Gyeonggi-do and Chungcheong-do, is characterized by a dense concentration of semiconductor fabs and R&D centers. These facilities require specialized 4J29 Kovar shells for:
Our 4J29 Kovar undergoes rigorous vacuum induction melting (VIM) and electroslag remelting (ESR) to ensure a uniform microstructure, essential for predictable expansion curves.
Specialized CNC parameters prevent work hardening during machining, ensuring surface finishes (Ra < 0.8μm) that facilitate superior gold or nickel plating adhesion.
Every Kovar package shell is optimized for Glass-to-Metal Sealing (GTMS), maintaining vacuum integrity under extreme thermal cycling from -65°C to +400°C.
Global enterprises are shifting toward "Value-Added Sourcing." It is no longer enough to provide a shell; manufacturers must provide "Information Gain" through detailed material traceability, ESG compliance, and localized technical support. For our Korean partners, this means navigating the complexities of the Korea-China Free Trade Agreement (FTA) and ensuring all Kovar components are RoHS and REACH compliant to meet global export standards.

High-precision processing capability
Advanced technology and equipment
Strict quality control
Flexible customized servicesThe company has a professional team of more than 100 people, of which technical engineers account for 30%.
Deeply engaged in precision metal processing for more than ten years, proactively layout the cutting-edge packaging needs in 5G, AI, and New Energy.
ISO 9001 certified. Delivery efficiency increased by 15%-20% through intelligent production scheduling.
Operating as a leading Kovar package shell manufacturer serving Korea involves more than just shipping products across the sea. We provide comprehensive localization support:
The next decade of electronics will be defined by AI-at-the-edge and high-density SiP (System-in-Package) designs. Xinyunyang is already developing the next generation of Kovar shells that feature thinner walls (down to 0.1mm) and integrated heat sinks to manage the thermal loads of AI chips. We are committed to remaining the premier 4J29 factory for the evolving Korean industrial landscape.