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Akira FUJIMAKI

Energy/Space-Efficient Rapid Single-Flux-Quantum Circuits by Using π-Shifted Josephson Junctions Tomohiro KAMIYA Masamitsu TANAKA Kyosuke SANO Akira FUJIMAKI
Publication: Publication Date: 2018/05/01 Vol. E101-C No. 5 pp. 385-390 Type of Manuscript: Special Section PAPER (Special Section on Innovative Superconducting Devices Based on New Physical Phenomena) Category: Keyword: energy-efficient circuit, π-shifted Josephson junctions, rapid single-flux-quantum, superconducting spintronics,
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Thermally Assisted Superconductor Transistors for Josephson-CMOS Hybrid Memories Kyosuke SANO Masato SUZUKI Kohei MARUYAMA Soya TANIGUCHI Masamitsu TANAKA Akira FUJIMAKI Masumi INOUE Nobuyuki YOSHIKAWA
Publication: Publication Date: 2018/05/01 Vol. E101-C No. 5 pp. 370-377 Type of Manuscript: INVITED PAPER (Special Section on Innovative Superconducting Devices Based on New Physical Phenomena) Category: Keyword: nanodevices, thermally assisted device, single-flux-quantum logic, superconducting integrated circuits,
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Development of an Advanced Circuit Model for Superconducting Strip Line Detector Arrays Ali BOZBEY Yuma KITA Kyohei KAMIYA Misaki KOZAKA Masamitsu TANAKA Takekazu ISHIDA Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/06/01 Vol. E99-C No. 6 pp. 676-682 Type of Manuscript: INVITED PAPER (Special Section on Cutting-Edge Technologies of Superconducting Electronics) Category: Keyword: SSLD, kinetic inductance detectors, SFQ, superconductors, neutron detector,
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FOREWORD Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/06/01 Vol. E99-C No. 6 pp. 667-668 Type of Manuscript: FOREWORD Category: Keyword:
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Nb 9-Layer Fabrication Process for Superconducting Large-Scale SFQ Circuits and Its Process Evaluation Shuichi NAGASAWA Kenji HINODE Tetsuro SATOH Mutsuo HIDAKA Hiroyuki AKAIKE Akira FUJIMAKI Nobuyuki YOSHIKAWA Kazuyoshi TAKAGI Naofumi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/03/01 Vol. E97-C No. 3 pp. 132-140 Type of Manuscript: INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits) Category: Keyword: superconducting fabrication technology, Nb/AlOx/Nb Josephson junction, single flux quantum, planarization, shift register,
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High-Speed Operation of 0.25-mV RSFQ Arithmetic Logic Unit Based on 10-kA/cm² Nb Process Technology Masamitsu TANAKA Atsushi KITAYAMA Masakazu OKADA Tomohito KOUKETSU Takumi TAKINAMI Masato ITO Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/03/01 Vol. E97-C No. 3 pp. 166-172 Type of Manuscript: Special Section PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits) Category: Keyword: single-flux-quantum logic, low-power, low-voltage, digital arithmetic,
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A Reconfigurable Data-Path Accelerator Based on Single Flux Quantum Circuits Hiroshi KATAOKA Hiroaki HONDA Farhad MEHDIPOUR Nobuyuki YOSHIKAWA Akira FUJIMAKI Hiroyuki AKAIKE Naofumi TAKAGI Kazuaki MURAKAMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/03/01 Vol. E97-C No. 3 pp. 141-148 Type of Manuscript: INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits) Category: Keyword: single flux quantum, reconfigurable data-path, accelerator,
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Design and High-Speed Demonstration of Single-Flux-Quantum Bit-Serial Floating-Point Multipliers Using a 10kA/cm² Nb Process Xizhu PENG Yuki YAMANASHI Nobuyuki YOSHIKAWA Akira FUJIMAKI Naofumi TAKAGI Kazuyoshi TAKAGI Mutsuo HIDAKA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/03/01 Vol. E97-C No. 3 pp. 188-193 Type of Manuscript: Special Section PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits) Category: Keyword: floating point unit, multiplier, LSRDP, SFQ circuit, superconductive integrated circuit,
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Large-Scale Integrated Circuit Design Based on a Nb Nine-Layer Structure for Reconfigurable Data-Path Processors Akira FUJIMAKI Masamitsu TANAKA Ryo KASAGI Katsumi TAKAGI Masakazu OKADA Yuhi HAYAKAWA Kensuke TAKATA Hiroyuki AKAIKE Nobuyuki YOSHIKAWA Shuichi NAGASAWA Kazuyoshi TAKAGI Naofumi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/03/01 Vol. E97-C No. 3 pp. 157-165 Type of Manuscript: INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits) Category: Keyword: advanced process, cell-based design technique, high-end computing, large-scale integration, rapid single-flux-quantum circuits,
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Proposal of a Compact Neutron Diffraction System with a Single-Flux-Quantum Signal Processor Akira FUJIMAKI Isao NAKANISHI Shigeyuki MIYAJIMA Kohei ARAI Yukio AKITA Takekazu ISHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/03/01 Vol. E94-C No. 3 pp. 254-259 Type of Manuscript: INVITED PAPER (Special Section on Superconducting Signal Processing Technologies) Category: Keyword: neutron, diffraction, single flux quantum, time-to-digital converter, time-of-flight,
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NbN Josephson Junctions for Single-Flux-Quantum Circuits Hiroyuki AKAIKE Naoto NAITO Yuki NAGAI Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/03/01 Vol. E94-C No. 3 pp. 301-306 Type of Manuscript: Special Section PAPER (Special Section on Superconducting Signal Processing Technologies) Category: Keyword: NbN, Josephson junctions, self-shunted, AlN_x, radical-nitridation,
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Automated Passive-Transmission-Line Routing Tool for Single-Flux-Quantum Circuits Based on A* Algorithm Masamitsu TANAKA Koji OBATA Yuki ITO Shota TAKESHIMA Motoki SATO Kazuyoshi TAKAGI Naofumi TAKAGI Hiroyuki AKAIKE Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/04/01 Vol. E93-C No. 4 pp. 435-439 Type of Manuscript: Special Section PAPER (Special Section on Frontiers of Superconductive Electronics) Category: Digital Applications Keyword: single-flux-quantum circuit, computer-aided design, wire router, passive transmission line,
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FOREWORD Akira FUJIMAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/04/01 Vol. E93-C No. 4 pp. 427-428 Type of Manuscript: FOREWORD Category: Keyword:
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All MgB₂ Josephson Junctions with Amorphous Boron Barriers Naoki MITAMURA Chikaze MARUYAMA Hiroyuki AKAIKE Akira FUJIMAKI Rintaro ISHII Yoshihiro NIIHARA Michio NAITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/04/01 Vol. E93-C No. 4 pp. 468-472 Type of Manuscript: Special Section PAPER (Special Section on Frontiers of Superconductive Electronics) Category: Junctions Keyword: MgB₂, Josephson junction, amorphous boron,
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100 GHz Demonstrations Based on the Single-Flux-Quantum Cell Library for the 10 kA/cm² Nb Multi-Layer Process Yuki YAMANASHI Toshiki KAINUMA Nobuyuki YOSHIKAWA Irina KATAEVA Hiroyuki AKAIKE Akira FUJIMAKI Masamitsu TANAKA Naofumi TAKAGI Shuichi NAGASAWA Mutsuo HIDAKA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/04/01 Vol. E93-C No. 4 pp. 440-444 Type of Manuscript: Special Section PAPER (Special Section on Frontiers of Superconductive Electronics) Category: Digital Applications Keyword: single flux quantum circuit, Josephson junction, cell library, adder,
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Bit-Serial Single Flux Quantum Microprocessor CORE Akira FUJIMAKI Masamitsu TANAKA Takahiro YAMADA Yuki YAMANASHI Heejoung PARK Nobuyuki YOSHIKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/03/01 Vol. E91-C No. 3 pp. 342-349 Type of Manuscript: INVITED PAPER (Special Section on Recent Progress in Superconductive Digital Electronics) Category: Keyword: superconductor, microprocessor, single flux quantum, bit-serial, LSI,
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Proposal of a Desk-Side Supercomputer with Reconfigurable Data-Paths Using Rapid Single-Flux-Quantum Circuits Naofumi TAKAGI Kazuaki MURAKAMI Akira FUJIMAKI Nobuyuki YOSHIKAWA Koji INOUE Hiroaki HONDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/03/01 Vol. E91-C No. 3 pp. 350-355 Type of Manuscript: INVITED PAPER (Special Section on Recent Progress in Superconductive Digital Electronics) Category: Keyword: superconductor, rapid single-flux-quantum circuit, reconfigurable data-path, high-performance computing, supercomputer,
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High-Resolution Analog-to-Digital Converters toward Software-Defined-Radio Receivers Akira FUJIMAKI Yoshinori NISHIDO Akito SEKIYA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/02/01 Vol. E89-C No. 2 pp. 113-118 Type of Manuscript: INVITED PAPER (Special Section on Superconducting High-frequency Devices) Category: Keyword: analog-to-digital converter, superconductor, software-defined-radio, single-flux-quantum,
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Development of Passive Interconnection Technology for SFQ Circuits Yoshihito HASHIMOTO Shinichi YOROZU Yoshio KAMEDA Akira FUJIMAKI Hirotaka TERAI Nobuyuki YOSHIKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/02/01 Vol. E88-C No. 2 pp. 198-207 Type of Manuscript: INVITED PAPER (Special Section on Superconducting Electronic Devices and Their Applications) Category: Keyword: SFQ, integrated circuit, interconnection, superconductor, passive transmission line,
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High-End Server Based on Complexity-Reduced Architecture for Superconductor Technology Akira FUJIMAKI Yoshiaki TAKAI Nobuyuki YOSHIKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 612-616 Type of Manuscript: INVITED PAPER (Special Issue on Superconductive Electronics) Category: Digital Devices and Their Applications Keyword: SFQ, memory, processor, superconducting circuit, JAVA,
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Design and Demonstration of Pipelined Circuits Using SFQ Logic Akira AKAHORI Akito SEKIYA Takahiro YAMADA Akira FUJIMAKI Hisao HAYAKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 641-644 Type of Manuscript: Special Section PAPER (Special Issue on Superconductive Electronics) Category: Digital Devices and Their Applications Keyword: SFQ, pipeline architecture, parameter spread, leakage current, parameter optimization method,
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Bit Error Rate Measurement of a Measuring System Designed for Superconducting Digital Circuits Kazuhiro SHIMAOKA Seiichi TOKUNAGA Masaaki NEMOTO Isao YOSHIDA Akira FUJIMAKI Hisao HAYAKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/01/01 Vol. E84-C No. 1 pp. 29-34 Type of Manuscript: Special Section PAPER (Special Issue on Superconductive Electronics) Category: Digital Applications Keyword: bit error rate (BER), cryo-cooler, vector network measurement, superconductor, magnetic shield,
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Ramp-Edge Josephson Junctions Using Barriers of Various Resistivities Masahiro HORIBE Koh-ichi KAWAI Akira FUJIMAKI Hisao HAYAKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1998/10/25 Vol. E81-C No. 10 pp. 1526-1531 Type of Manuscript: INVITED PAPER (Special Issue on Low- and High-Temperature Superconductive Electron Devices and Their Applications) Category: High-Tc Junction Technology Keyword: ramp-edge Josephson junction, Ga doping, Ca doping, direct tunneling, resonant tunneling,
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Vortex Flow Transistors Based on YBa₂Cu₃O_7δ Films Akira FUJIMAKI Masanobu KUSUNOKI Masaru KITO Syuji YOSHIDA Hiroya ANDOH Hisao HAYAKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/09/25 Vol. E79-C No. 9 pp. 1247-1253 Type of Manuscript: INVITED PAPER (Special Issue on Toward Digital and Analog Applications of Superconductors) Category: Device technology Keyword: vortex flow transistor, Abrikosov vortex, nanobridge, high-temperature superconductor,
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