Core Insights - The article discusses the revolutionary impact of Wafer-on-Wafer (WoW) technology on edge AI devices, enabling local processing on devices like smartphones and smart glasses, thus enhancing AI accessibility and performance [1][2][12]. Group 1: WoW Technology Overview - WoW is a 3D packaging technology that stacks logic chips and memory chips together, significantly reducing the distance between them, which leads to faster bandwidth, lower power consumption, and smaller form factors [2][6]. - Traditional AI computations require high bandwidth and energy efficiency, which WoW addresses by enabling local AI processing without the need for cloud connectivity [2][6]. Group 2: Market Potential - Morgan Stanley predicts that the WoW market will grow from $1 million in 2025 to $6 billion by 2030, with a compound annual growth rate (CAGR) of 257% [1][8]. - The total addressable market (TAM) for WoW technology is expected to reach $622 million by 2027, marking a critical turning point for the technology [10][11]. Group 3: Applications and Benefits - WoW technology is anticipated to accelerate the adoption of edge AI devices, particularly in AI PCs, smartphones, and smart glasses, by providing the necessary computational power and efficiency [1][12]. - The technology allows for real-time applications such as voice translation on smartphones and object recognition in smart glasses, enhancing user experience [2][6]. Group 4: Supply Chain and Collaboration - The ecosystem for WoW technology is becoming more mature, with several companies in Greater China applying for patents and developing their solutions, indicating a collaborative effort in the supply chain [12][14]. - Companies like Aipu Semiconductor are already in mass production of WoW solutions for applications like AI smartphones and PCs [5][12]. Group 5: Competitive Landscape - WoW technology is seen as complementary to mobile High Bandwidth Memory (HBM), with different application scenarios, thus not directly competing with each other [14]. - The article highlights potential risks related to technological development and market demand, which could impact the adoption rate of WoW technology [14].