Resonators for high power high temperature superconducting devices

• US 5,914,296 A
• Filed: 01/30/1997
• Issued: 06/22/1999
• Est. Priority Date: 01/30/1997
• Status: Expired due to Fees

• Current Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Shen, Zhi-Yuan
• Primary Examiner(s): Lee, Benny T.
• Application Number:
  US08/790,971
• Time in Patent Office: 873 Days
• Field of Search: 333/204, 333/205, 333/219, 333/235, 333/996, 505/210, 505/700, 505/701, 505/866
• US Class Current: 505/210
• CPC Class Codes: H01P 7/082 Microstripline resonators H01P7/088 takes precedence
• CPC Class Codes: H01P 7/084 Triplate line resonators H01P7/088 takes precedence
• CPC Class Codes: Y10S 505/70 High TC, above 30 k, superconducting device, article, or structured stock
• CPC Class Codes: Y10S 505/701 Coated or thin film device, i.e. active or passive
• CPC Class Codes: Y10S 505/866 Wave transmission line, network, waveguide, or microwave storage device

Abstract

TM_0i0 mode (i=1, 2, 3, . . . ) planar high temperature superconductor resonators useful in high temperature superconducting filters, filter banks and multiplexers comprise a shaped high temperature superconductor film and a high temperature superconductor ground plate deposited on opposite sides of a dielectric substrate, wherein the shaped high temperature superconductor film has an aperture in the center thereof and has a shape selected from the group consisting of circles and polygons.

Claims

1. A TM_0i0 mode planar high temperature superconductor resonator, where i is a whole integer≧

1, in a microstrip line form comprising a shaped high temperature superconductor film and at least one high temperature superconductor ground plate deposited on opposite sides of a dielectric substrate, said shaped high temperature superconductor film has an aperture in a center thereof and said shaped high temperature superconductor film has a shape of a polygon and said aperture comprises means for frequency tuning the resonator, wherein the polygon shaped high temperature superconductor film has an octagon shape.

2. A TM_0i0 mode planar high temperature superconductor resonator, where i is a whole integer≧

1, in a microstrip line form comprising a shaped high temperature superconductor film and at least one high temperature superconductor ground plate deposited on opposite sides of a dielectric substrate;

wherein said shaped high temperature superconductor film has an aperture in a center thereof and said shaped high temperature superconductor film has a shape of a polygon and said aperture comprises means for frequency tuning the resonator, said resonator further comprising a second high temperature film concentrically located relative to the aperture in the center of the shaped high temperature superconductor film.

3. A TM_0i0 mode planar high temperature superconductor resonator, where i is a whole integer≧

1, in a strip line form comprising, in order,

(a) a first high temperature superconducting ground plate;

(b) a first dielectric substrate being desposited upon said ground plate;

(c) a shaped high temperature superconductor film being deposited upon said first dielectric substrate;

(d) a second dielectric substrate being deposited upon said superconductor film; and

(e) a second high temperature superconductor ground plate being deposited upon said second dielectric substrate;

wherein said shaped high temperature superconductor film has an aperture in a center thereof and said shaped high temperature superconductor film has a shape of a polygon, and said aperture comprises means for frequency tuning the resonator, wherein the polygon shaped high temperature superconductor film has an octagon shape.

4. A TM_0i0 mode planar high temperature superconductor resonator, where i is a whole integer≧

1, in a strip line form comprising, in order;

(a) a first high temperature superconducting ground plate;

(b) a first dielectric substrate being deposited upon said ground plate;

(c) a shaped high temperature superconductor film being deposited upon said first dielectric substrate;

(d) a second dielectric substrate being deposited upon said superconductor film; and

(e) a second high temperature superconductor ground plate being deposited upon said second dielectric substrate;

wherein said shaped high temperature superconductor film has an aperture in a center thereof and said shaped high temperature superconductor film has a shape selected from the group consisting of a circle and a polygon, and wherein said aperture comprises means for frequency tuning the resonator, said resonator further comprising a second high temperature film concentrically located relative to the aperture in the center of the shaped high temperature superconductor film.