JP2021513233A - 量子アプリケーションのための高熱伝導率基板上のマイクロ波減衰器 - Google Patents
量子アプリケーションのための高熱伝導率基板上のマイクロ波減衰器 Download PDFInfo
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Abstract
【解決手段】デバイスは、規定された熱伝導率レベルより大きな熱伝導率レベルをもたらす基板を備えることができる。デバイスはまた、基板の上面上に、蒸着した合金を備えた、1つまたは複数の薄膜ラインを備えることができる。さらに、デバイスは、基板内に1つまたは複数のビアを備えることができる。1つまたは複数のビアのそれぞれの第1の端部は、それぞれの薄膜コネクタに接続され得る。さらに、1つまたは複数のビアのそれぞれの第2の端部は、電気的接地に接続され得る。
【選択図】図1
Description
Claims (20)
- デバイスであって、
規定された熱伝導率レベルより大きな熱伝導率レベルをもたらす基板と、
蒸着した合金を備えた、前記基板の上面上の、1つまたは複数の薄膜ラインと、
前記基板内の1つまたは複数のビアであって、前記1つまたは複数のビアのそれぞれの第1の端部はそれぞれの薄膜コネクタに接続され、前記1つまたは複数のビアのそれぞれの第2の端部は電気的接地に接続される、前記1つまたは複数のビアと
を備えるデバイス。 - 前記基板は、サファイア、石英ガラス、石英、酸化マグネシウム(MgO)、およびガリウム砒素(GaAs)からなる群から選択された材料を備える、請求項1に記載のデバイス。
- 前記1つまたは複数の薄膜ラインは、銅およびニクロム(NiCr)からなる群から選択された合金を備える、請求項1または2のいずれかに記載のデバイス。
- 前記1つまたは複数の薄膜ラインは、70%のニッケルおよび30%のクロムを備えた合金を備える、請求項1ないし3のいずれかに記載のデバイス。
- 前記1つまたは複数のビアは銅を備える、請求項1ないし4のいずれかに記載のデバイス。
- 前記デバイスは1つまたは複数の抵抗器を備え、前記それぞれの薄膜コネクタおよび前記1つまたは複数のビアは、前記1つまたは複数の抵抗器からホット・エレクトロンを除去する、請求項1ないし5のいずれかに記載のデバイス。
- 前記基板の前記熱伝導率レベルは、ケルビン当たりメートル当たり約100から200ワット(W/m/K)の範囲内である、請求項1ないし6のいずれかに記載のデバイス。
- 接地面をさらに備え、前記基板は前記接地面の上にある、請求項1ないし7のいずれかに記載のデバイス。
- 前記デバイスは、極低温環境で使用されるマイクロ波減衰器デバイスである、請求項1ないし8のいずれかに記載のデバイス。
- 方法であって、
1つまたは複数の薄膜ラインを形成するために、基板の上面上に合金を蒸着することであって、前記基板は、規定された熱伝導率レベルより大きな熱伝導率レベルをもたらす、前記蒸着することと、
前記基板内に1つまたは複数のビアを形成することと、
前記1つまたは複数のビアのそれぞれの第1の端部をそれぞれの薄膜コネクタに接続することと、
前記1つまたは複数のビアのそれぞれの第2の端部を電気的に接地することと
を含む方法。 - 前記基板は、サファイア、石英ガラス、石英、酸化マグネシウム(MgO)、およびガリウム砒素(GaAs)からなる群から選択された材料を備える、請求項10に記載の方法。
- 前記基板の前記上面上に前記合金を前記蒸着することは、前記1つまたは複数の薄膜ラインを形成するために、銅およびニクロム(NiCr)からなる群から選択された材料を蒸着することを含む、請求項10または11のいずれかに記載の方法。
- 前記基板の前記上面上に前記合金を前記蒸着することは、70%のニッケルおよび30%のクロムを備えた合金を蒸着することを含む、請求項10または11のいずれかに記載の方法。
- 前記1つまたは複数のビア内に銅を蒸着することをさらに含む、請求項10ないし13のいずれかに記載の方法。
- 前記基板上に1つまたは複数の抵抗器を形成することをさらに含み、前記それぞれの薄膜コネクタおよび前記1つまたは複数のビアは、前記1つまたは複数の抵抗器からホット・エレクトロンを除去する、請求項10ないし14のいずれかに記載の方法。
- 前記基板の前記熱伝導率レベルは、ケルビン当たりメートル当たり約100から200ワット(W/m/K)の範囲内である、請求項10ないし15のいずれかに記載の方法。
- 接地面をもたらすことをさらに含み、前記基板は前記接地面の上に位置する、請求項10ないし16のいずれかに記載の方法。
- マイクロ波減衰器デバイスであって、
規定された熱伝導率レベルより大きな熱伝導率レベルをもたらす基板と、
蒸着した合金を備えた、前記基板の上面上の、1つまたは複数の薄膜ラインと、
前記基板内の1つまたは複数のビアであって、前記1つまたは複数のビアのそれぞれの第1の端部はそれぞれの薄膜コネクタに接続され、前記1つまたは複数のビアのそれぞれの第2の端部は電気的接地に接続される、前記1つまたは複数のビアと
を備えるマイクロ波減衰器デバイス。 - 前記基板は、サファイア、石英ガラス、石英、酸化マグネシウム(MgO)、およびガリウム砒素(GaAs)からなる群から選択された材料を備える、請求項18に記載のマイクロ波減衰器デバイス。
- 前記1つまたは複数の薄膜ラインは、銅およびニクロム(NiCr)からなる群から選択された合金を備え、前記1つまたは複数のビアは前記銅を備える、請求項18または19のいずれかに記載のマイクロ波減衰器デバイス。
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US15/894,631 | 2018-02-12 | ||
US15/894,631 US10505245B2 (en) | 2018-02-12 | 2018-02-12 | Microwave attenuators on high-thermal conductivity substrates for quantum applications |
PCT/EP2019/051899 WO2019154638A1 (en) | 2018-02-12 | 2019-01-25 | Microwave attenuators on high-thermal conductivity substrates for quantum applications |
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JP4508037B2 (ja) * | 2005-08-23 | 2010-07-21 | 横河電機株式会社 | 減衰器 |
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TWI360912B (en) | 2008-04-25 | 2012-03-21 | Univ Nat Chiao Tung | Vertical transition structure |
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US10505245B2 (en) | 2019-12-10 |
JP7210595B2 (ja) | 2023-01-23 |
EP3753068A1 (en) | 2020-12-23 |
US20190252752A1 (en) | 2019-08-15 |
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