GB990297A - A superconductive circuit component - Google Patents

A superconductive circuit component

Info

Publication number
GB990297A
GB990297A GB34720/62A GB3472062A GB990297A GB 990297 A GB990297 A GB 990297A GB 34720/62 A GB34720/62 A GB 34720/62A GB 3472062 A GB3472062 A GB 3472062A GB 990297 A GB990297 A GB 990297A
Authority
GB
United Kingdom
Prior art keywords
gate
control
transmission line
conductor
cryotron
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.)
Expired
Application number
GB34720/62A
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.)
Filing date
Publication date
Priority claimed from US625512A external-priority patent/US3339165A/en
Priority claimed from US809815A external-priority patent/US2966647A/en
Priority claimed from US824120A external-priority patent/US3059196A/en
Priority claimed from US140119A external-priority patent/US3086130A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB990297A publication Critical patent/GB990297A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/44—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using super-conductive elements, e.g. cryotron
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/92—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of superconductive devices
    • 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
    • H10N60/30—Devices switchable between superconducting and normal states
    • H10N60/35—Cryotrons
    • 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
    • H10N60/30—Devices switchable between superconducting and normal states
    • H10N60/35—Cryotrons
    • H10N60/355—Power cryotrons

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

990,297. Circuits employing cryotrons. INTERNATIONAL BUSINESS MACHINES CORPORATION.. Sept. 11, 1962 [Sept. 22, 1961], No. 34720/62. Heading H3B. [Also in Division H1] A superconductive circuit element includes two parallel extended super layers, a control conductor close to one of them and a gate conductor between it and the layer. The other superconductor layer has a through aperture with which both the gate and control conductor are in register over part of their length. By this means the current in the control conductor is concentrated on the surface adjacent the gate and thus maximum switching effect is obtained for a given control current. To avoid inductive coupling the control and gate conductors are preferably arranged to be mutually perpendicular. In the assembly shown in Fig. 2A and in part section in Fig. 2C, a transmission line 201 is led between pairs of overlapping substrates 202-207, each carrying cryotron gates 238, 240 (Fig. 2C), the intersection of the cryotron gates and control conductors 215, 216 of the line overlying apertures 242, 243 in the superconductive ground planes 235, 236. Insulation is provided between the layers as shown and the transmission line consists of an insulating tape 218 with comb-shaped metal foils on its surface (Fig. 2B), the section length being short in relation to the quarter wavelength of the signals in the line. The assembly may be used as a bit organized memory system with a bit word stored on each substrate and a transmission line corresponding to each word in the memory controlling one cryotron gate per substrate. Specifications 862,178 and 987,476 are referred to.
GB34720/62A 1956-11-30 1962-09-11 A superconductive circuit component Expired GB990297A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US625512A US3339165A (en) 1956-11-30 1956-11-30 Magnetic switching device
US809815A US2966647A (en) 1959-04-29 1959-04-29 Shielded superconductor circuits
US824120A US3059196A (en) 1959-06-30 1959-06-30 Bifilar thin film superconductor circuits
US140119A US3086130A (en) 1961-09-22 1961-09-22 Cryogenic coupling device

Publications (1)

Publication Number Publication Date
GB990297A true GB990297A (en) 1965-04-28

Family

ID=27495412

Family Applications (5)

Application Number Title Priority Date Filing Date
GB37471/57A Expired GB862178A (en) 1956-11-30 1957-12-02 Improvements in apparatus for controlling electric currents
GB15183/60A Expired GB935208A (en) 1956-11-30 1960-04-29 Improvements in and relating to superconductive circuit elements
GB22389/60A Expired GB935209A (en) 1956-11-30 1960-06-27 Thin film superconductor circuits
GB40817/61A Expired GB995140A (en) 1956-11-30 1961-11-15 Cryotron
GB34720/62A Expired GB990297A (en) 1956-11-30 1962-09-11 A superconductive circuit component

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GB37471/57A Expired GB862178A (en) 1956-11-30 1957-12-02 Improvements in apparatus for controlling electric currents
GB15183/60A Expired GB935208A (en) 1956-11-30 1960-04-29 Improvements in and relating to superconductive circuit elements
GB22389/60A Expired GB935209A (en) 1956-11-30 1960-06-27 Thin film superconductor circuits
GB40817/61A Expired GB995140A (en) 1956-11-30 1961-11-15 Cryotron

Country Status (4)

Country Link
DE (4) DE1049960B (en)
FR (1) FR1194454A (en)
GB (5) GB862178A (en)
NL (1) NL251185A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL258325A (en) * 1959-11-24 1964-04-27
US3310767A (en) * 1963-05-29 1967-03-21 Gen Electric Power cryotron
GB1053476A (en) * 1963-10-09
JP2955931B1 (en) * 1998-07-17 1999-10-04 セイコーインスツルメンツ株式会社 Radiation detection element

Also Published As

Publication number Publication date
DE1144335B (en) 1963-02-28
GB995140A (en) 1965-06-16
NL251185A (en)
DE1049960B (en) 1959-02-05
GB935208A (en) 1963-08-28
GB935209A (en) 1963-08-28
DE1162406B (en) 1964-02-06
DE1120502B (en) 1961-12-28
FR1194454A (en) 1959-11-10
GB862178A (en) 1961-03-01

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