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这项技术,助力突破NAND瓶颈
半导体芯闻· 2026-03-24 10:53
Core Viewpoint - A new technology developed by a research team from KAIST aims to overcome the limitations of NAND flash memory by utilizing a novel material, boron nitride oxide (BON), to enhance data processing speed and storage stability [2][3]. Group 1: Technology Development - The research team has created an asymmetric tunneling layer technology that selectively controls electron movement using BON, addressing performance degradation and reliability issues associated with the shrinking size and increasing complexity of 3D V-NAND structures [2][3]. - NAND flash memory is a non-volatile storage medium that retains data even without power, but as storage unit sizes decrease, challenges such as slower erase speeds and increased data leakage arise, particularly in the next-generation five-level cell (PLC) technology [2]. Group 2: Performance Improvements - By incorporating BON into the tunneling layer, the new design reportedly improves data erase speed by 23 times compared to traditional designs while maintaining high durability with minimal performance degradation during repeated operations [3]. - The research team successfully distinguished 32 finely divided voltage states in a PLC environment, allowing for over three times higher precision in controlling data distribution between devices, which significantly reduces data interference and lowers read error rates [3]. Group 3: Commercial Viability - The technology has progressed beyond the laboratory stage and is applicable to large-scale semiconductor production processes, marking a significant breakthrough for the commercialization of next-generation ultra-high-capacity storage [3].