PUBLICATIONS

Conference

  1. Xu Bai, Ryusuke Nebashi, Makoto Miyamura, Kazunori Funahashi, Koichiro Okamoto, Hideaki Numata, Noriyuki Iguchi, Toshitsugu Sakamoto, Munehiro Tada, “A 0.11pJ/bit Read Energy Embedded NanoBridge NVM and its Integration in a 28nm 32-bit RISC-V MCU”, Solid State Devices and Materials (SSDM), K-2-01, (Naoya, Japan)(2023).

  2. Toshitsugu Sakamoto, Makoto Miyamura, Kazunori Funahashi, Munehiro Tada, Ken Uchida, Hiroki Ishikuro, “Gate-Length Dependent Variability of nMOSFET at Cryogenic Temperatures”, Solid State Devices and Materials (SSDM), F-1-01, (Naoya, Japan)(2023).

  3. T. Sakamoto, “Atom switch technology for IoT and AI”, 2022 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD)(2022).  [Invited]

  4. K. Okamoto, T. Tanaka, M. Miyamura, H. Ishikuro, K. Uchida, T. Sakamoto, and M. Tada, “Cryogenic CMOS Performance Analysis Including BEOL Characteristics at 4K for Quantum Controller Application”, IEEE International Interconnect Technology Conference (IITC), (San Jose, USA) (2022).

  5. M. Tada, “NanoBridge Technology for Nonvolatile Memory Application”, IEEE International Memory Workshop (IMW), (2022, Dresden, Germany) (2022). [Invited]

  6. M. Miyamura, “NanoBridge-based FPGA for Space Applications”, IEEE Symposium on Low-Power and High-Speed Chips and Systems (COOL Chips 25) (2022). [Invited]

  7. T. Sakamoto, “NanoBridge technology for energy efficient electronics”, 12th International Symposium on Highly Efficient Accelerators and Reconfigurable Technologies (HEART) (2022). [Invited]

  8. M. Tada, “NanoBridge Technology for Nonvolatile-FPGA and Memory Applications” IEEE　International Reliability Physics Symposium (IRPS) 2022, Memory reliability 6B.1 (2022, Dallas, Hybrid, USA) (2022). [Invited]

  9. T. Sakamoto, “Radiation-tolerant Atom-switch FPGA”, MEMRISYS 2021, 3A-1 (2021).  [Invited]

  10. K. Okamoto, T. Tanaka, M. Miyamura, H. Ishikuro, K. Uchida, T. Sakamoto, M. Tada, “Cryogenic operation of NanoBridge at 4K for controlling qubit,” 2021 International Conference on Solid State Devices and Materials (SSDM), B-5-08, Online, Sep.8 (2021).

  11. M. Tada, “NanoBridge Technology for AIoT Applications” 2021 IEEE International Interconnect Technology Conference (IITC), Workshop (2021, Kyoto, Japan) (2021).  [Invited]

  12. R. Nebashi, N. Banno, M. Miyamura, X. Bai, K. Funahashi, K. Okamoto, N. Iguchi, H. Numata, T. Sugibayashi, T. Sakamoto, and M. Tada, “A 171k-LUT Nonvolatile FPGA using Cu Atom-Switch Technology in 28nm CMOS,” 2020 30th International Conference on Field-Programmable Logic and Applications (FPL), Gothenburg, Sweden, pp. 323-327 (2020).

  13. X. Bai, N. Banno, M. Miyamura, R. Nebashi, K. Okamoto, H. Numata, N. Iguchi, M. Hashimoto, T. Sugibayashi, T. Sakamoto and M. Tada, “1.5x Energy-efficient and 1.4x Operation-Speed Via-Switch FPGA with Rapid and Low-cost ASIC migration by Via-switch Copy”, Symposium on VLSI Technology (VLSI), (2020).

  14. K. Okamoto, R. Nebashi, N. Banno, X. Bai, H. Numata, N. Iguchi, M. Miyamura, H. Hada, K. Funahashi, Sugibayashi, T. Sakamoto, and M. Tada, “ON-state retention of Atom Switch eNVM for IoT/AI Inference Solution”, IEEE 2020 International Reliability Physics Symposium (IRPS), (2020).

  15. M. Hashimoto, X. Bai, N. Banno, M. Tada, T. Sakamoto, J. Yu, R. Doi, Y. Araki, H. Onodera, T. Imagawa, H. Ochi, K. Wakabayashi, Y. Mitsuyama, T. Sugibayashi, “Via-Switch FPGA: 65nm CMOS Implementation and Architecture Extension for AI Applications”, Technical Digest of International Solid-State Circuits Conference (ISSCC) (2020, San Francisco, USA), (2020).


Journal

  1. K. Ueno, N. Taniguchi, T. Sakamoto and M. Miyamura, “Development of Radiation-tolerant Slow-Control Board based on Atom Switch-based FPGA,” IEEE Transactions on Nuclear Science (2025), doi: 10.1109/TNS.2025.3548272.

  2. K. Okamoto, T. Tanaka, M. Miyamura, H. Ishikuro, K. Uchida, T. Sakamoto, M. Tada , “Cryogenic operation of NanoBridge at 4K for controlling qubit,” Jpn. J. Appl. Phys., 61, SC1049, doi: 10.35848/1347-4065/ac4303(2022).

  3. X. Bai, N. Banno, M. Miyamura, R. Nebashi, K. Okamoto, H. Numata, N. Iguchi, M. Hashimoto, T. Sugibayashi, T. Sakamoto, M. Tada “Via-Switch FPGA: 65-nm CMOS Implementation and Evaluation”, IEEE Journal of Solid-State Circuits, 1109/JSSC.2021.3117260 (2021).

  4. N. Banno, K. Okamoto, N. Iguchi, H. Ochi, H. Onodera, M. Hashimoto, T. Sugibayashi, T. Sakamoto and M. Tada, “Low-power Crossbar Switch with Two-Varistors Selected Complementary Atom Switch (2V-1CAS; Via-Switch) for Nonvolatile FPGA”, IEEE Transactions on Electron Devices, vol. 66, no. 8, pp.3331 – 3336 (2019).

  5. K. Takeuchi , T. Sakamoto, M. Tada, A. Takeyama, T. Ohshima , S. Kuboyama , and H. Shindo, “Single-Event Effects Induced on Atom Switch-based Field-Programmable Gate Array”, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol. 66, No. 7, pp.1355 – 1360 (2019).

  6. M. Tada and T. Sakamoto, “Set/Reset Switching Model of Cu Atom Switch based on electrolysis”, IEEE Transactions on Electron Devices, vol. 64, no. 4, pp.1812-1817 (2017).

  7. M. Miyamura, T. Sakamoto, X. Bai, Y. Tsuji, A. Morioka, R. Nebashi, M. Tada, N. Banno, K. Okamoto, N. Iguchi, H. Hada, T. Sugibayashi, Y. Nagamatsu, S. Ookubo, T. Shirai, F. Sugai and M. Inaba, “NanoBridge-based FPGA in High Temperature Environments”, IEEE Micro, Dep/Oct pp. 32-42 (2017).

解説記事　（Japanese)

  1. 阪本利司、宮村信、多田宗弘　「NanoBridge技術を用いた超低消費電力LSI」　電子情報通信学会誌　Vol.102　 No.5　 pp.408-412, 2019.

  2. 白旭、阪本利司、宮村信、多田宗弘　「微細CMOSと混載可能なCu原子スイッチ」　応用物理　第88巻　第2号　2019.