Hiroyuki AKAIKE


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 quantumreconfigurable data-pathaccelerator
 Summary | Full Text:PDF(2MB)

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 technologyNb/AlOx/Nb Josephson junctionsingle flux quantumplanarizationshift register
 Summary | Full Text:PDF(5.3MB)

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 processcell-based design techniquehigh-end computinglarge-scale integrationrapid single-flux-quantum circuits
 Summary | Full Text:PDF(2.3MB)

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: 
NbNJosephson junctionsself-shuntedAlNxradical-nitridation
 Summary | Full Text:PDF(1003.4KB)

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 circuitJosephson junctioncell libraryadder
 Summary | Full Text:PDF(668.8KB)

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 circuitcomputer-aided designwire routerpassive transmission line
 Summary | Full Text:PDF(970.9KB)

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: 
MgB2Josephson junctionamorphous boron
 Summary | Full Text:PDF(319.6KB)

Pattern-Size-Free Planarization for Multilayered Large-Scale SFQ Circuits
Kenji HINODE Shuichi NAGASAWA Masao SUGITA Tetsuro SATOH Hiroyuki AKAIKE Yoshihiro KITAGAWA Mutsuo HIDAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2511-2513
Type of Manuscript:  LETTER
Category: Superconductive Electronics
Keyword: 
planarizationreversal maskNb SFQmultilevel wiring
 Summary | Full Text:PDF(496.4KB)