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Superconducting Composite Quantum Computing Circuit

外国特許コード F210010522
整理番号 E128P04TW-2
掲載日 2021年7月30日
出願国 台湾
出願番号 109129565
公報番号 202119659
出願日 令和元年10月31日(2019.10.31)
公報発行日 令和3年5月16日(2021.5.16)
発明の名称 (英語) Superconducting Composite Quantum Computing Circuit
発明の概要(英語) The superconducting composite quantum calculation circuit has: a circuit substrate, a wiring pattern having circuit elements comprising quantum bits and observation electrodes for observing the state of quantum bits on the surface of the substrate, and a ground pattern as ground potential, a ground pattern to be formed on a 1 th face in the surface of the substrate, and a through electrode; a ground pattern formed on a 2 th face opposite to the 1 th face connected inside the substrate. The 1 th ground electrode, has a 1 th contact portion in contact with a ground pattern formed on the 1 th face of the circuit substrate, and a 1 th non-contact portion; th 2 th ground electrode, has a 2 th contact portion in contact with a ground pattern formed on the 2 th face of the circuit substrate. A control signal line provided with a contact spring pin at a front end, the contact spring pin is a contact position corresponding to a quantum bit, and pushes the 1 th face of the circuit substrate against the 1 th ground electrode, or pushes the 2 th face of the circuit substrate against the 2 th ground electrode; imparting potential member, pushes the 1 th ground electrode against the 1 th face of the circuit substrate, or pushes the 2 th ground electrode against the 2 th face of the circuit substrate; The 1 th ground electrode is in contact with the ground pattern through the 1 th extension, The 1 th extension is formed by a superconductor having a ductility higher than that of the ground pattern; th 2 th ground electrode is in contact with the ground pattern through the 2 th extension, th 2 th extension is formed by a superconductor having a ductility higher than that of the ground pattern.
  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • NAKAMURA YASUNOBU
  • TIAN YUANFENG
  • TAMATE SHUHEI
国際特許分類(IPC)
参考情報 (研究プロジェクト等) ERATO NAKAMURA Macroscopic Quantum Machines AREA
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