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EP0483784A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Superconducting microwave parts

Assignee: Sumitomo Electric Industries Ltd
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Filing: 1991-10-29
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Granted: —
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Expires: 2011-10-29
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Abstract

Abstract There is disclosed a superconducting microwave component comprising a first substrate (20) having a conductor line (10) formed of an oxide superconductor on the surface thereof a second substrate (40) having a grounding conductor formed of an oxide superconductor (30) on the surface thereof; and a package (50a, 50b, 50c) of a conducting material housing the first and the second substrates substantially parallel with each other, at least one part of the grounding conductor being in contact with the inside of the package through surface contact. <IMAGE> <IMAGE>

Inventors

  • 👤 Higaki c/o Itami Works of Sumitomo Elec. Kenjiro
  • 👤 Hideo C/O Itami Works Of Sumitomo Elec. Itozaki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 16:19
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/08; H01P7/082; H01P7/084; H10; H10N; H10N60/00; H10N60/20; H10N60/203; Y; Y10; Y10S; Y10S505/00; Y10S505/70; Y10S505/701; Y10S505/825; Y10S505/866

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 76 words
A superconducting microwave component comprising a first substrate having a conductor line formed of an oxide superconductor on the surface thereof; a second substrate having a grounding conductor formed of an oxide superconductor on the surface thereof; and a package of a conducting material housing the first and the second substrates substantially parallel with each other, at least one part of the grounding conductor being in contact with the inside of the package through surface contact.
Claim 2
Dependent Claim 63 words
A superconducting microwave component according to claim 1, wherein the package comprises a bottom plate, and a casing including the lower end face fixed to peripheral edge portion of the bottom plate and having a first stepped face formed on the lower inside; and the peripheral edge portion of the second substrate is held between the bottom plate and the first stepped face.
Claim 3
Dependent Claim 25 words
A superconducting microwave component according to claim 2, wherein the peripheral edge portion of the grounding conductor is in contact with the first stepped face.
Claim 4
Dependent Claim 21 words
A superconducting microwave component according to claim 2 or 3, wherein the grounding conductor is in contact with the bottom plate.
Claim 5
Dependent Claim 37 words
A superconducting microwave component according to one of claims 2 to 4, wherein the casing has a second stepped face for holding the peripheral edge portion of the first substrate between the second substrate and the same.
Claim 6
Dependent Claim 49 words
A superconducting microwave component according to one of claims 2 to 5, wherein the package includes a lid body attached to the upper end face of the casing, and the lid body has a projection on the inside for pressing down the peripheral edge portion of the first substrate.
Claim 7
Dependent Claim 76 words
A superconducting microwave component according to one of claims 1 to 6, wherein the package comprises a bottom plate, and a casing including the lower end face attached to the peripheral edge portion of the bottom plate and having a stepped face formed on the lower inside; and the peripheral edge portion of the first substrate laid with the second substrate laid on the bottom plate is held between the bottom plate and the stepped face.
Claim 8
Dependent Claim 96 words
A superconducting microwave component according to one of claims 1 to 7, wherein the package comprises a bottom plate and a casing, the first substrate has a smaller area than the second substrate, and the second substrate and the first substrate are laid on the bottom plate in the stated order with the face with the grounding conductor formed on and the face with the conductor line formed on faced upper; and the package includes a presser member inserted along the inside of the casing and face-contacted with the peripheral edge portion of the grounding conductor.
Claim 9
Dependent Claim 26 words
A superconducting microwave component according to claim 8, wherein the presser member is secured to the lid body attached to the open end of the casing.
Claim 10
Dependent Claim 21 words
A superconducting microwave component according to one of claims 1 to 9, wherein the package is made of a metal material.
Claim 11
Dependent Claim 29 words
A superconducting microwave component according to one of claims 1 to 10, wherein the oxide superconductor is On element-Ba-Cu-O based, Bi-Sr-Ca-Cu-O based, Bi-Pb-Sr-Ca-Cu-O based, Tl-Ba-Ca-Cu-O based or Tl-Bi-Ca-Sr-Cu-O based.
Claim 12
Dependent Claim 23 words
A superconducting microwave component according to one of claims 1 to 11, wherein the first substrate is formed of MgO, LaAlO₃ or NdGaO₃.
Claim 13
Dependent Claim 23 words
A superconducting microwave component according to one of claims 1 to 12, wherein the second substrate is formed of MgO, LaAlO₃ or NdGaO₃.
Claim 14
Dependent Claim 42 words
A superconducting microwave component according to one of claims 1 to 13, wherein the first substrate comprises a substrate of Al₂O₃, SiO₂, beryllia or borosilicate glass, and a buffer layer of MgO, LaAlO₃, NdGaO₃, SrTiO₃, Y₂O₃ or YSZ laid on the substrate.
Claim 15
Dependent Claim 42 words
A superconducting microwave component according to one of claims 1 to 14, wherein the second substrate comprises a substrate of Al₂O₃, SiO₂, beryllia or borosilicate glass, and a buffer layer of MgO, LaAlO₃, NdGaO₃, SrTiO₃, Y₂O₃ or YSZ laid on the substrate.

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