Core Viewpoint - The article emphasizes the importance of PCB (Printed Circuit Board) design in smart vehicles, highlighting how high-density integration and miniaturization can enhance vehicle performance and functionality [5][7][39]. Group 1: PCB Overview - PCB is a critical component in electronic products, providing electrical connections and mechanical support, essential for vehicle data display, power control, and safety [7][15]. - The PCB size in the Thor-U project is 210mm×191mm with a board density of 68%, significantly higher than the industry standard of 51% for larger PCBs [5][39]. Group 2: Characteristics of Excellent PCB Design - An excellent PCB design must balance high quality, high efficiency, and miniaturization to ensure reliability and performance in extreme automotive environments [15][22]. - High quality ensures stable operation throughout the vehicle's lifecycle, while high efficiency allows for compact structures that enhance user experience [16][19]. - Miniaturization is crucial for maximizing space in vehicles, enabling the integration of more functions and features [21][39]. Group 3: Quality Assurance in PCB Design - The company implements rigorous reliability design and testing standards to ensure PCB quality, addressing the harsh conditions faced by automotive PCBs compared to consumer electronics [23][26]. - The reliability testing includes various assessments such as CAF testing, thermal shock testing, and high-temperature storage testing to ensure long-term performance [30][32]. Group 4: Signal Integrity and Testing - The company employs board-level signal simulation and testing to preemptively identify risks and ensure stable operation of PCBs in real-world applications [33][34]. - The simulation capabilities cover critical power and high-speed signals, achieving 100% coverage in key areas, which is superior to industry benchmarks [35][37]. Group 5: Innovations in Miniaturization - The company focuses on achieving extreme miniaturization through innovative design methods, including high-density integration and modular design [39][49]. - The PCB design incorporates a unique calculation method for board density and a tool that reduces assessment time significantly [40][41]. Group 6: Summary - The article outlines the fundamental role of PCBs in smart vehicles, detailing the essential elements of high quality, efficiency, and miniaturization, along with the company's innovative practices and achievements in these areas [5][50].