➀ Intel and SoftBank jointly established Saimemory to develop a stacked DRAM technology as an alternative to HBM, aiming to reduce power consumption by half;
➁ A prototype is expected within two years, with production targeted by the end of the decade, supported by $70 million in total investment, including $21 million from SoftBank;
➂ The technology originated from Intel, Japanese academia, and partners like Riken and Shinko Electric, with potential government funding and priority supply for SoftBank's AI processors (e.g., Arm and Graphcore).