Samsung Electronics plans to significantly increase production of its next-generation high-bandwidth memory, targeting over 250,000 wafers per month for HBM4 and HBM4E DRAM by 2027. This expansion represents more than double current output levels and will be driven by advances in glass carrier technology essential for stacking multiple chip layers. The move aims to meet surging demand from AI accelerators and high-performance computing systems. Glass carrier substrates are becoming critical as Samsung shifts toward sixth- and seventh-generation HBM chips, which require finer layer stacking and greater structural stability. These advanced chips will account for approximately 80% of total HBM output under the new plan.
Outsourced production of glass carriers is expected to grow 2.5-fold to support the increased wafer volume, reflecting supply chain adjustments to accommodate higher precision manufacturing. How Glass Carrier Technology Enables Higher HBM Density Glass carriers provide superior flatness and thermal stability compared to traditional organic substrates, allowing for more reliable stacking of DRAM dies in HBM packages. As chipmakers push beyond 12-layer stacks, the risk of warping and electrical interference increases, making glass an attractive alternative. Samsung’s investment in this material signals a broader industry shift toward inorganic substrates for next-gen memory. Suppliers are scaling up capacity to meet the anticipated demand, with several glass manufacturers already qualifying their products for HBM4E compatibility. What Challenges Remain in Scaling HBM4E Production? Despite the optimism, challenges persist in achieving high yields at extreme layer counts, particularly with through-silicon via formation and thermal management during operation.
Glass carriers, while beneficial, introduce new handling requirements and equipment adjustments in fabrication lines. Additionally, the reliance on outsourced glass supply introduces potential bottlenecks if supplier capacity fails to keep pace. Samsung is addressing these risks through joint development agreements with material providers and process engineers. Frequently Asked Questions What is driving Samsung’s increase in HBM4 and HBM4E output? The surge is driven by growing demand from AI data centers and high-performance computing applications that require faster memory bandwidth and lower latency, which HBM4 and HBM4E are designed to deliver.
Why is glass carrier technology important for HBM advancement? Glass carriers offer better dimensional stability and thermal performance than organic alternatives, enabling reliable stacking of more DRAM layers without warping or signal degradation, which is essential for HBM4E’s performance targets.
Will the increased HBM output affect pricing or availability? While expanded supply may ease shortages over time, initial pricing is likely to remain elevated due to high R&D and manufacturing costs, with gradual normalization expected as production scales and yields improve.