GB1360100A – Superconductive tunnelling device
– Google Patents
GB1360100A – Superconductive tunnelling device
– Google Patents
Superconductive tunnelling device
Info
Publication number
GB1360100A
GB1360100A
GB4601471A
GB4601471A
GB1360100A
GB 1360100 A
GB1360100 A
GB 1360100A
GB 4601471 A
GB4601471 A
GB 4601471A
GB 4601471 A
GB4601471 A
GB 4601471A
GB 1360100 A
GB1360100 A
GB 1360100A
Authority
GB
United Kingdom
Prior art keywords
layer
layers
barrier
electrode
tunnelling
Prior art date
1970-12-31
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.)
Expired
Application number
GB4601471A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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.)
1970-12-31
Filing date
1971-10-04
Publication date
1974-07-17
1971-10-04
Application filed by International Business Machines Corp
filed
Critical
International Business Machines Corp
1974-07-17
Publication of GB1360100A
publication
Critical
patent/GB1360100A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
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
H10N60/12—Josephson-effect devices
Abstract
1360100 Superconductor devices INTERNATIONAL BUSINESS MACHINES CORP 4 Oct 1971 [31 Dec 1970] 46014/71 Heading H1K In a superconductor tunnelling (Josephson) device one of the electrodes contains an intermetallic compound. The compound is formed as a thin layer at the interface of two layers of its components one of which may be a superconductor, and inhibits hillock formation at the barrier. In a first arrangement a layer of Pb is deposited on a layer of Au so that a thin layer of intermetallic compound is formed therebetween. The Pb layer is plasma or thermally oxidized to form a tunnelling barrier and a second electrode comprising Pb or consecutive layers of Pb and Au is deposited on top of the barrier layer. Alternatively both electrodes may comprise consecutive Pb-Au-Pb layers or the first electrode may have this structure whilst the second electrode comprises a layer of Pb covered with Au. In a further arrangement two layers of intermetallic compound are provided in the first electrode by depositing layers in the sequence Au-Pb-Au-Pb and the upper electrode comprises a Pb-Au-Pb structure. The device may comprise a tunnelling cryotron formed on a substrate of silica glass, cork, mica or an oxidized ground plane. The tunnelling barrier may be of silicon oxide or lead oxide or in general oxides, sulphides or nitrides or may be a vacuum. The compound may comprise Pb with one of Au, Pd, Pt, Mg, Te and Tl, or In with one Cu, Ag, Au, Sn, Mg, Ni, and Bi. The metal layers may be deposited by vacuum evaporation or sputtering and different materials may be used in the first and second electrodes. The intermetallic compound and the remainder of the layer of compound forming material may be disposed between the superconductor electrode material and the barrier.
GB4601471A
1970-12-31
1971-10-04
Superconductive tunnelling device
Expired
GB1360100A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US10308870A
1970-12-31
1970-12-31
Publications (1)
Publication Number
Publication Date
GB1360100A
true
GB1360100A
(en)
1974-07-17
Family
ID=22293330
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4601471A
Expired
GB1360100A
(en)
1970-12-31
1971-10-04
Superconductive tunnelling device
Country Status (6)
Country
Link
JP
(1)
JPS5131156B1
(en)
CA
(1)
CA936968A
(en)
DE
(1)
DE2164684C3
(en)
FR
(1)
FR2120781A5
(en)
GB
(1)
GB1360100A
(en)
IT
(1)
IT951948B
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
MD174Z
(en)
*
2009-05-19
2010-10-31
Институт Электронной Инженерии И Промышленных Технологий Академии Наук Молдовы
Semiconducting material
MD323Z
(en)
*
2009-12-29
2011-08-31
Институт Электронной Инженерии И Промышленных Технологий Академии Наук Молдовы
Thermoelectric microwire in glass insulation
Families Citing this family (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3848259A
(en)
*
1973-10-30
1974-11-12
Ibm
Multicontrol logic gate design
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE1178608B
(en)
*
1959-05-20
1964-09-24
Ibm
Use of an indium alloy for electrical circuit arrangements in which the conductivity of a superconductor can be reversed, and a method for their production
1971
1971-10-04
GB
GB4601471A
patent/GB1360100A/en
not_active
Expired
1971-11-26
JP
JP46094564A
patent/JPS5131156B1/ja
active
Pending
1971-12-09
FR
FR7144969A
patent/FR2120781A5/fr
not_active
Expired
1971-12-16
IT
IT32467/71A
patent/IT951948B/en
active
1971-12-23
CA
CA130916A
patent/CA936968A/en
not_active
Expired
1971-12-27
DE
DE2164684A
patent/DE2164684C3/en
not_active
Expired
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
MD174Z
(en)
*
2009-05-19
2010-10-31
Институт Электронной Инженерии И Промышленных Технологий Академии Наук Молдовы
Semiconducting material
MD323Z
(en)
*
2009-12-29
2011-08-31
Институт Электронной Инженерии И Промышленных Технологий Академии Наук Молдовы
Thermoelectric microwire in glass insulation
Also Published As
Publication number
Publication date
JPS4713272A
(en)
1972-07-06
DE2164684B2
(en)
1981-01-08
FR2120781A5
(en)
1972-08-18
DE2164684A1
(en)
1972-07-27
CA936968A
(en)
1973-11-13
DE2164684C3
(en)
1981-09-03
IT951948B
(en)
1973-07-10
JPS5131156B1
(en)
1976-09-04
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Legal Events
Date
Code
Title
Description
1974-11-27
PS
Patent sealed [section 19, patents act 1949]
1987-05-28
PCNP
Patent ceased through non-payment of renewal fee
