A system and method for treating a cavity comprises arranging a niobium structure in a coating chamber, the coating chamber being arranged inside a furnace, coating the niobium structure with tin thereby forming an Nb.sub.3Sn layer on the niobium structure, and doping the Nb.sub.3Sn layer with nitrogen, thereby forming a nitrogen doped Nb.sub.3Sn layer on the niobium structure.

The disclosure relates to a harmonic oscillator and a preparation method thereof, a filtering device and an electromagnetic wave device. The harmonic oscillator includes at least one dielectric slab and response units attached on one surface of the at least one dielectric slab, where the response units are structures manufactured by conductive material and provided with geometric patterns. According to the technical solution of the disclosure, the filtering device and the electromagnetic wave device with the harmonic oscillator are good in structure stability. Swinging of a harmonic oscillator sheet layer is low in loss. The Q value of the harmonic oscillator prepared by the disclosure is high; and loss of a resonant cavity, the filtering device and a microwave device with the harmonic oscillator is obviously reduced.

Techniques and mechanisms for providing a tunable RF resonator device. In an embodiment, a patterned layer of an adhesive material is disposed on a side of a panel comprising a substrate and a metal layer. A membrane is aligned between the panel and another panel. A laminate is formed with the first panel, the second panel and the membrane, where an intermediate layer of the laminate includes a first portion comprising a liquid crystal channel, and a second portion comprising adhesive material disposed in interstices of the membrane. In another embodiment, the second portion forms at least part of a boundary to the liquid crystal channel.

Metallization layer structures for reduced changes in radio frequency characteristics due to registration error and associated methods are provided herein. An example resonator includes a first conductive layer defining an error limiting feature and a second conductive layer. The resonator further includes at least one communication feature configured to electrically couple the first conductive layer and the second conductive layer at a communication position. The error limiting feature is configured to reduce changes in radio frequency characteristics of the resonator due to registration error. Methods of manufacturing resonators are also provided herein.

A method for manufacturing a superconducting LC-type resonator of the type including at least one high-resistivity substrate on which are printed an inductive meander, a first so-called lower electrode and a second so-called upper electrode arranged opposite the first so as to form together a capacitor connected in parallel with the inductive meander, as well as inductive coupling means dedicated to the resonator, in which a sacrificial aluminium layer is deposited between the first and second electrodes. Also disclosed is the superconducting LC-type resonator thus obtained and the use of such a resonator for detecting the noise of a millimetre photon.

A dielectric resonator, an assembly method thereof and a dielectric filter enable are provided. The dielectric resonator includes the dielectric resonant column, the metal cavity, a sealing cover plate and a tuning screw, wherein the dielectric resonant column is located in the metal cavity, the sealing cover plate is located on an upper end face of the metal cavity, and the tuning screw is located on the sealing cover plate. The dielectric resonator also includes an insulating fixed module located between the lower end face of the sealing cover plate and the upper end face of the dielectric resonant column, and the insulating fixed module is high enough to ensure that a pressure is formed between the sealing cover plate and the dielectric resonant column, so that the dielectric resonant column is fixed at the bottom of the metal cavity.

The dielectric resonator includes a sealing cover, a dielectric resonant column, a metal cavity, and an electrically-conductive elastic structure body. The dielectric resonant column is located within the metal cavity, wherein the sealing cover is connected to an upper surface of the dielectric resonant column. The sealing cover is located at the upper end face of the metal cavity and is configured to seal the metal cavity. The metal cavity is provided with a groove at the bottom. The electrically-conductive elastic structure body is located within the groove and is configured to support the dielectric resonant column. The depth of the groove causes a lower surface of the dielectric resonant column to be lower than an inner bottom surface of the metal cavity after the sealing cover seals the metal cavity. A lower end face of the dielectric resonant column is in contact with the electrically-conductive elastic structure body.

Disclosed are embodiments of synthetic garnet materials for use in radiofrequency applications. In some embodiments, increased amounts of bismuth can be added into specific sites in the crystal structure of the synthetic garnet in order to boost certain properties, such as the dielectric constant and magnetization. Accordingly, embodiments of the disclosed materials can be used in high frequency applications, such as in base station antennas.

A method of an embodiment includes forming a capacitor pad for a nonlinear resonator. In an embodiment, the method includes comparing a resonance frequency of the nonlinear resonator to a target frequency to determine whether the resonance frequency falls within a range of the target frequency. A device of an embodiment includes a first capacitor pad comprising a superconducting material, the first capacitor pad configured to couple to a first end of a logic circuit element. In an embodiment, the device includes a second capacitor pad comprising a second superconducting material, the capacitor pad configured to couple to a second end of the logic circuit element. In an embodiment, the second capacitor pad includes a first portion; a second portion; and a bridge configured to electrically connect the first portion and the second portion.

A system and method for fabricating accelerator cavities comprises forming at least two half cavities and joining the half cavities with a longitudinal seal. The half cavities can comprise at least one of aluminum, copper, tin, and copper alloys. The half cavities can be coated with a superconductor or combination of materials configured to form a superconductor coating.