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JPS57167691A - Josephson junction logistic gate - Google Patents

Josephson junction logistic gate

Info

Publication number
JPS57167691A
JPS57167691A JP56046392A JP4639281A JPS57167691A JP S57167691 A JPS57167691 A JP S57167691A JP 56046392 A JP56046392 A JP 56046392A JP 4639281 A JP4639281 A JP 4639281A JP S57167691 A JPS57167691 A JP S57167691A
Authority
JP
Japan
Prior art keywords
input
loop
logistic
gate
controlling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP56046392A
Other languages
Japanese (ja)
Inventor
Shinya Hasuo
Norio Fujimaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56046392A priority Critical patent/JPS57167691A/en
Priority to DE8282301676T priority patent/DE3276990D1/en
Priority to EP82301676A priority patent/EP0061930B1/en
Publication of JPS57167691A publication Critical patent/JPS57167691A/en
Priority to US06/910,301 priority patent/US4713562A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/10—Junction-based devices

Landscapes

  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To contrive to increase the number of input for the subject logistic gate by a method wherein the magnetic-field coupling control wire, to be used for input signal injection, is added to a current-injection type multijunction interferometer. CONSTITUTION:Controlling wires 4 and 5, to be used to apply input currents IA and IB, are arranged at both ends of the inductance L1 of a superconductive loop 1. Also, on this loop 1, a controlling wire 6 that can be magnetically joined together is provided. In the case where one of input currents IB and IC is at 0.8Io (Io indicates the critical current of Josephson junctions J1 and J2) and the Io of the other input current is 0, the junctions J1 and J2 are in the state of superconduction, and there generates no switcning, but when the Io of both input currents is 0.8, the critical current value decleases due to the coupling of the controlling wire 6 and the loop 1, and the above is switched to voltage status.
JP56046392A 1981-03-31 1981-03-31 Josephson junction logistic gate Pending JPS57167691A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56046392A JPS57167691A (en) 1981-03-31 1981-03-31 Josephson junction logistic gate
DE8282301676T DE3276990D1 (en) 1981-03-31 1982-03-30 Josephson-junction logic circuit
EP82301676A EP0061930B1 (en) 1981-03-31 1982-03-30 Josephson-junction logic circuit
US06/910,301 US4713562A (en) 1981-03-31 1986-09-22 Josephson-junction logic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56046392A JPS57167691A (en) 1981-03-31 1981-03-31 Josephson junction logistic gate

Publications (1)

Publication Number Publication Date
JPS57167691A true JPS57167691A (en) 1982-10-15

Family

ID=12745868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56046392A Pending JPS57167691A (en) 1981-03-31 1981-03-31 Josephson junction logistic gate

Country Status (1)

Country Link
JP (1) JPS57167691A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089126A (en) * 1983-10-21 1985-05-20 Agency Of Ind Science & Technol Superconduction logical circuit
JPS61132885A (en) * 1984-12-01 1986-06-20 Nippon Telegr & Teleph Corp <Ntt> Dc bias quantum interferometer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525296A (en) * 1975-06-30 1977-01-14 Ibm Multiijunction interferometer circuit
JPS5412694A (en) * 1977-06-30 1979-01-30 Ibm Josephson tunnelling circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525296A (en) * 1975-06-30 1977-01-14 Ibm Multiijunction interferometer circuit
JPS5412694A (en) * 1977-06-30 1979-01-30 Ibm Josephson tunnelling circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089126A (en) * 1983-10-21 1985-05-20 Agency Of Ind Science & Technol Superconduction logical circuit
JPS61132885A (en) * 1984-12-01 1986-06-20 Nippon Telegr & Teleph Corp <Ntt> Dc bias quantum interferometer

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