THERMALLY ISOLATED GROUND PLANES WITH A SUPERCONDUCTING ELECTRICAL COUPLER

An integrated circuit is provided that comprises a first ground plane associated with a first set of circuits that have a first operational temperature requirement, and a second ground plane associated with a second set of circuits that have a second operational temperature requirement that is highe...

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Hauptverfasser: HATHAWAY, AARON ASHLEY, QUEEN, DANIEL ROBERT, LONEY, PATRICK ALAN, YOUNG, ROBERT MILES, PRZYBYSZ, JOHN X
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:An integrated circuit is provided that comprises a first ground plane associated with a first set of circuits that have a first operational temperature requirement, and a second ground plane associated with a second set of circuits that have a second operational temperature requirement that is higher than the first operational temperature requirement. The second ground plane is substantially thermally isolated from the first ground plane. A superconducting coupler electrically couples the first ground plane and the second ground plane while maintaining relative thermal isolation between the first ground plane and the second ground plane. L'invention concerne un circuit intégré comprenant un premier plan de masse associé à un premier ensemble de circuits qui ont une première exigence de température opérationnelle, et un second plan de masse associé à un second ensemble de circuits qui ont une seconde exigence de température opérationnelle qui est supérieure à la première exigence de température opérationnelle. Le second plan de masse est sensiblement isolé thermiquement du premier plan de masse. Un coupleur supraconducteur couple électriquement le premier plan de masse et le second plan de masse tout en maintenant une isolation thermique relative entre le premier plan de masse et le second plan de masse.