Hironori WAKANA


Advances in High-Tc Single Flux Quantum Device Technologies
Keiichi TANABE Hironori WAKANA Koji TSUBONE Yoshinobu TARUTANI Seiji ADACHI Yoshihiro ISHIMARU Michitaka MARUYAMA Tsunehiro HATO Akira YOSHIDA Hideo SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/03/01
Vol. E91-C  No. 3  pp. 280-292
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Superconductive Digital Electronics)
Category: 
Keyword: 
superconducting devicesingle flux quantum devicemixed signal devicehigh-temperature superconductor
 Summary | Full Text:PDF

Design and Operation of HTS SFQ Circuit Elements
Koji TSUBONE Hironori WAKANA Yoshinobu TARUTANI Seiji ADACHI Yoshihiro ISHIMARU Keiichi TANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/03/01
Vol. E90-C  No. 3  pp. 570-578
Type of Manuscript:  INVITED PAPER (Special Section on Innovative Superconducting Devices and Their Applications)
Category: 
Keyword: 
single flux quantum (SFQ) circuitramp-edge junction technologytoggle flip-flopthermal noisehigh-temperature superconductor
 Summary | Full Text:PDF

HTS Sampler with Improved Circuit Design and Layout
Michitaka MARUYAMA Hironori WAKANA Tsunehiro HATO Hideo SUZUKI Keiichi TANABE Koichiro UEKUSA Takeshi KONNO Nobuya SATO Masayuki KAWABATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/03/01
Vol. E90-C  No. 3  pp. 579-587
Type of Manuscript:  INVITED PAPER (Special Section on Innovative Superconducting Devices and Their Applications)
Category: 
Keyword: 
HTS samplerSFQ pulsewideband measurement
 Summary | Full Text:PDF

Development of Thin Film Multilayer Structures with Smooth Surfaces for HTS SFQ Circuits
Hironori WAKANA Seiji ADACHI Ai KAMITANI Kouhei NAKAYAMA Yoshihiro ISHIMARU Yoshinobu TARUTANI Keiichi TANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/02/01
Vol. E88-C  No. 2  pp. 208-215
Type of Manuscript:  INVITED PAPER (Special Section on Superconducting Electronic Devices and Their Applications)
Category: 
Keyword: 
high-temperature superconductorJosephson junctioninterface modified barrierSFQ circuitramp-edge structure
 Summary | Full Text:PDF

Fabrication of La-Doped YBCO and SrTiO3-Buffered LSAT Thin Films for Ramp-Edge Josephson Junctions on Superconducting Ground Plane
Seiji ADACHI Hironori WAKANA Yoshihiro ISHIMARU Masahiro HORIBE Yoshinobu TARUTANI Keiichi TANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/02/01
Vol. E87-C  No. 2  pp. 206-211
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Oxide Thin Films by Sputtering)
Category: 
Keyword: 
sputteringhigh-Tc superconductorsurface morphologyJosephson junction
 Summary | Full Text:PDF

Recovery Treatment for EuBa2Cu3O 7-δ Films with Insulating Multilayers
Hironori WAKANA Masaki FUJIBAYASHI Noriyoshi FUSHIMI Osamu MICHIKAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 780-783
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Thin Films and Materials
Keyword: 
recovery treatmentEuBa2Cu3O 7 filmsinsulating multilayersmagnetron sputtering
 Summary | Full Text:PDF