Summary of Conference Call on NVIDIA's Rubin CPX Solution and PCB Industry Company and Industry Involved - **Company**: NVIDIA - **Industry**: PCB (Printed Circuit Board) and related equipment Key Points and Arguments NVIDIA's Rubin CPX Solution - The Rubin CPX solution integrates 36 CPUs, 144 GPUs, and 144 CPX GPUs, significantly enhancing computing efficiency, with performance improvements of approximately 650% compared to the GB 300 NVA 72 cabinet when processing large contexts [1][2] - The new cabinet design includes 8 additional CPX chips, necessitating the addition of two PCBs: one for supporting the CPX chips and another for the new orthogonal middle plane connection, replacing traditional copper cable connections, which enhances reliability and reduces failure points [2][5] - The power density of the new CPX cabinet is increased to 370 kW, compared to the conventional 190 kW, requiring advanced cooling systems and higher demands on power supply and PCB layout [2][4] Impact on PCB Industry - The introduction of the CPX chips is expected to increase the number of PCB layers from 20-30 layers to 70-80 layers or even over 100 layers, significantly increasing drill bit consumption and reducing the lifespan of drilling materials like the 麻九 material to below 200 holes [3][9] - The new design is projected to add approximately $150-$200 in value per single chip PCB, with shipments expected to start in the second half of 2026, further impacting both PCB and upstream equipment materials [3][10] Material and Structural Upgrades - The orthogonal middle plane requires high signal transmission standards, necessitating material upgrades such as the use of 麻九 material, which will increase demand for both equipment and materials, leading to a rise in both quantity and price [6][8] - Future developments in the Rubin series will continue to focus on material and structural upgrades, with confirmed use of 麻九 material in the exchange tray section, while the calculation tray's material is still under verification [7][8] Recommendations and Market Outlook - Companies such as 鼎泰高科 and 大族数控, which are leaders in mechanical drilling, are expected to benefit significantly from the increased demand for high-layer PCBs [3][9] - Forward-looking investment suggestions include focusing on ultra-fast laser technology companies like 大族数控 and 迪尔激光, as well as high-end exposure equipment leaders like 芯碁微装, which are positioned to capitalize on the evolving market dynamics [11][12] Other Important Insights - The transition to wireless designs is deemed necessary due to the increased complexity and density of the new systems, which will drive further advancements in the PCB industry towards higher density and reliability [4]