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US3196412A Expired / Lapsed US ⏱️ 0.0 years remaining

Quantized flux cryogenic device

Assignee: International Business Machines Corp
•
Filing: 1962-10-05
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Granted: 1965-07-20
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Expires: 1982-10-05
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Abstract

No abstract record available.

Inventors

  • 👤 Richard A Connell
  • 👤 Lawrence P Horwitz
  • 👤 Daniel J Quinn
  • 👤 Donald P Seraphim

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:07
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 201 words
AN INFORMATION STORAGE DEVICE COMPRISING, A CYLINDER MADE OF MATERIAL HAVING A SUPERCONDUCTIVE STATE AND A RESISTIVE STATE, MEANS FOR STORING A SELECTIVE NUMBER OF QUANTA OF FLUX IN SAID CYLINDER, A CORE POSITIONED INSIDE SAID CYLINDER, SAID CORE HAVING A SUPERCONDUCTIVE STATE AND A RESISTIVE STATE, MEANS FOR ELECTRICALLY INSULATING SAID CORE FROM SAID CYLINDER FOR OBTAINING A CRITICAL CURRENT OF SAID CORE WHICH IS DEPENDENT UPON THE NUMBER OF FLUX QUANTA STORED IN SAID CYLINDER, MEANS FOR PASSING CURRENT THROUGH SAID CORE TO DETERMINE THE AMOUNT OF CURRENT REQUIRED TO MAKE SAID CORE RESISTIVE, A CURRENT SOURCE FOR GENERATING AN INCREASING CURRENT OUTPUT, AND FIRST AND SECOND CURRENT PATHS CONNECTED TO SAID CURRENT SOURCE FOR OBTAINING NONDESTRUCTIVE READ OF SAID NUMBER OF FLUX QUANTA, SAID FIRST CURRENT PATH INCLUDING SAID CORE, SAID SECOND CURRENT PATH HAVING A HIGHER INDUCTANCE THATN SAID FIRST CURRENT PATH, WHEREBY THE CURRENT IN SAID FIRST CURRENT PATH INCREASES RAPIDLY AND THE CURRENT IN SAID SECOND CURRENT PATH INCREASES SLOWLY UNTIL THE CURRENT IN SAID FIRST PATH REACHES THE CRITICAL CURRENT OF SAID CORE AND THEREAFTER THE CURRENT IN SAID FIRST PATH REMAINS SUBSTANTIALLY CONSTANT AND THE CURRENT IN SAID SECOND CURRENT PATH INCREASES RAPIDLY.
Claim 2
Dependent Claim 201 words
AN INFORMATION STORAGE DEVICE COMPRISING, A CYLINDER MADE OF MATERIAL HAVING A SUPERCONDUCTIVE STATE AND A RESISTIVE STATE, MEANS FOR STORING A SELECTIVE NUMBER OF QUANTA OF FLUX IN SAID CYLINDER, A CORE POSITIONED INSIDE SAID CYLINDER, SAID CORE HAVING A SUPERCONDUCTIVE STATE AND A RESISTIVE STATE, MEANS FOR ELECTRICALLY INSULATING SAID CORE FROM SAID CYLINDER FOR OBTAINING A CRITICAL CURRENT OF SAID CORE WHICH IS DEPENDENT UPON THE NUMBER OF FLUX QUANTA STORED IN SAID CYLINDER, MEANS FOR PASSING CURRENT THROUGH SAID CORE TO DETERMINE THE AMOUNT OF CURRENT REQUIRED TO MAKE SAID CORE RESISTIVE, A CURRENT SOURCE FOR GENERATING AN INCREASING CURRENT OUTPUT, AND FIRST AND SECOND CURRENT PATHS CONNECTED TO SAID CURRENT SOURCE FOR OBTAINING NONDESTRUCTIVE READ OF SAID NUMBER OF FLUX QUANTA, SAID FIRST CURRENT PATH INCLUDING SAID CORE, SAID SECOND CURRENT PATH HAVING A HIGHER INDUCTANCE THATN SAID FIRST CURRENT PATH, WHEREBY THE CURRENT IN SAID FIRST CURRENT PATH INCREASES RAPIDLY AND THE CURRENT IN SAID SECOND CURRENT PATH INCREASES SLOWLY UNTIL THE CURRENT IN SAID FIRST PATH REACHES THE CRITICAL CURRENT OF SAID CORE AND THEREAFTER THE CURRENT IN SAID FIRST PATH REMAINS SUBSTANTIALLY CONSTANT AND THE CURRENT IN SAID SECOND CURRENT PATH INCREASES RAPIDLY.

References Cited (Backward Citations)

US3007057A Cited
US3048707A Cited
US2944211A Cited
US2949602A Cited
US3016507A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-19 1969-01-18 1969-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-19 1973-01-18 1973-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-19 1977-01-18 1977-07-20 $7700.00 Window Closed / Lapsed

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