12 results about "Ceramic resonator" patented technology

In an aspect, an apparatus is disclosed that includes a surface-mounted integrated circuit package housing an active oscillator circuit; an integrated ceramic resonator formed from a ceramic substrate having an upper planar surface receiving the surface- mounted integrated circuit package, the integrated ceramic resonator including a plurality of conductive walls forming a conductive periphery of a ceramic cavity in the ceramic substrate, a conductive rod extending vertically into the ceramic cavity, wherein the conductive rod is isolated from contact with the conductive periphery of the ceramic cavity, a first conductive material extending vertically through the upper planar surface of the ceramic substrate for connecting the conductive periphery of the ceramic cavity to the surface-mounted integrated circuit package housing the active oscillator circuit; and a second conductive material extending through the upper planar surface of the ceramic substrate for connecting the conductive rod to the surface-mounted integrated circuit package.

In an aspect, an apparatus is disclosed that includes a surface-mounted integrated circuit package housing an active oscillator circuit; an integrated ceramic resonator formed from a ceramic substrate having an upper planar surface receiving the surface-mounted integrated circuit package, the integrated ceramic resonator including a plurality of conductive walls forming a conductive periphery of a ceramic cavity in the ceramic substrate, a conductive rod extending vertically into the ceramic cavity, wherein the conductive rod is isolated from contact with the conductive periphery of the ceramic cavity, a first conductive material extending vertically through the upper planar surface of the ceramic substrate for connecting the conductive periphery of the ceramic cavity to the surface-mounted integrated circuit package housing the active oscillator circuit; and a second conductive material extending through the upper planar surface of the ceramic substrate for connecting the conductive rod to the surface-mounted integrated circuit package.

This application provides a dual-mode filter and an integrated filter. The dual-mode filter includes a first metal resonant module, a second metal resonant module, and a coupled metal resonant module. The coupled metal resonant module includes at least one or more of these modules. Each coupled metal resonant module includes at least a first metal cavity, a second metal cavity, and a ceramic resonator. A first adjustment component is provided on the diagonal of the ceramic resonator. The first adjustment component is used to adjust the resonant frequency. The first adjustment component includes at least a hole, an addition module, or a combination of a hole and an addition module, which can be set according to different product requirements. By providing the first adjustment component on the ceramic resonator in the coupled metal resonant module, it is possible to hollow out or add material on the diagonal of the ceramic resonator to adjust the resonant frequency. This allows for accurate adjustment of the filter's frequency while ensuring a small filter size.

The application provides a ceramic resonator, which comprises a ceramic body A, a stepped through hole arranged in the center of the ceramic body A, the stepped through hole penetrating the ceramic body A through a small hole in the upper part and a large hole in the lower part, a first conductor layer covering the inner side of the small hole, a ceramic adhesive layer covering the inner side of the large hole, a ceramic body B embedded in the large hole of the ceramic body A, a second conductor layer covering the surface of the ceramic body B, wherein the second conductor layer on the top surface of the ceramic body B covers the small hole to form a blind hole and communicates with the first conductor layer, and a third conductor layer covering the top surface, the side surface and the bottom surface of the ceramic body A. Compared with the prior art, the ceramic resonator provided by the application has the characteristics of small size and high Q value due to the specific structure and connection relationship, and has great market competitiveness.

The utility model discloses a kind of acoustic wave soot blower based on ceramic resonant cavity structure, including center axis, the one end of center axis is provided with airflow ejector, the other end of center axis is provided with resonant cavity, the one end of airflow ejector is opened with air inlet, and the gasket is arranged on center axis, the one end of resonant cavity is provided with clamping plate, the one end of airflow ejector is opened with annular slit, the bottom of resonant cavity is opened with connecting hole, the one end of center axis is provided with threaded rod, and nut is arranged on threaded rod.The utility model is replaced by ceramic material more resistant to high temperature, wear-resistant by setting resonant cavity, gasket, clamping plate, connecting hole, threaded rod, nut, this structure the most easily worn, damaged resonant cavity part, the rest part uses high-temperature resistant metal material, significantly improve the service life of resonant cavity acoustic wave soot blower in high-temperature region continuous work, simultaneously adopt the structure of convenient and quick replacement ceramic resonant cavity.

High-frequency oscillator device with a resonator section (10) provided on a printed circuit board and comprising a bipolar transistor (18) and ceramic resonator means (12), which is arranged for oscillator operation of the oscillator device at a fixed frequency, characterized in that the ceramic resonator means forming a first end of the resonator path on the circuit board are connected to the base (B) of the bipolar transistor via a matching line implemented as a first microstrip line (14), and the bipolar transistor is connected in such a way that in oscillator operation at the base there is a wave maximum of a superimposed forward (24) and backward (26) wave along the resonator path.

The invention discloses a semiconductor packaging structure, a device and a packaging process thereof, comprising the following steps: a resonator packaging step: providing a substrate, on which a plurality of ceramic resonators are evenly inverted, the bottom surface of the resonator is exposed, a conductive block is mounted at the position of the exposed bottom surface electrode pad, the resonator is plastic-sealed, and the packaging surface is horizontally ground until the top surface of the conductive block is exposed; a thermistor packaging step: mounting a thermistor at the corresponding position of each resonator on the ground packaging surface, the thermistor is electrically connected to the conductive block through an electroplated circuit, thereby achieving electrical connection with the resonator; a control chip packaging step: mounting a control chip at the corresponding position of the packaging surface, the control chip is directly electrically connected to the conductive block of the resonator through an electroplated column on the one hand, and is electrically connected to the circuit of the thermistor through an interconnection layer on the other hand. The invention stacks the ceramic resonator and the plastic package body to form a crystal oscillator heterogeneous stacking structure.

Embodiments of the present application provide a lubricating oil viscosity measurement method, system and electronic equipment, and relate to the field of lubricating oil viscosity measurement. The method controls the piezoelectric ceramic resonator to self-excitation vibration in the lubricating oil to be measured at a preset frequency, obtains a vibration attenuation waveform collected by a data collection circuit, the vibration attenuation waveform includes a plurality of positive half waves, calculates the integral area of each positive half wave, and calculates the area ratio of two adjacent positive half waves based on the integral area. According to the area ratio and the preset viscosity calculation formula, the viscosity of the lubricating oil to be measured is calculated. The vibration attenuation waveform generated by the piezoelectric ceramic resonator in the lubricating oil can quickly calculate the viscosity of the lubricating oil to be measured according to the viscosity calculation formula.

The invention relates to the technical field of electronic components, and discloses a multi-frequency multi-port ceramic resonator processing system, which comprises a crosstalk suppression module used for combining multi-frequency test data, dielectric layer dielectric parameters and multi-port impedance characteristics to generate a multi-band crosstalk suppression structure of a ceramic resonator; the port isolation module is used for constructing an electric field distribution diagram of the ceramic resonator and setting a multi-port isolation unit; the temperature compensation module is used for constructing an impedance-frequency-temperature three-dimensional matrix of the ceramic resonator and setting temperature compensation elements; the capacitance adjusting module is used for setting an adjustable capacitance threshold value of the ceramic resonator in combination with the load impedance change value, the capacitance matching response time and the sorting test record; the cooperative control module is used for configuring a multi-parameter cooperative controller of the ceramic resonator; and the multi-frequency multi-port processing module is used for outputting a multi-frequency multi-port processing result of the ceramic resonator. According to the invention, the accuracy and reliability of multi-band signal processing can be improved.

The invention relates to a ceramic resonator, which comprises a base body unit, the base body unit comprises a first base body and a second base body, the first base body is provided with a first binding surface, the second base body is provided with a second binding surface, the first binding surface and the second binding surface are mutually bound, and the first binding surface and the second binding surface are mutually bound. The projection of the first binding face and the projection of the second binding face in the thickness direction of the base body unit are consistent. The base body unit is provided with a first end face and a second end face in the length direction. The grounding unit comprises a grounding layer, and the grounding layer is arranged on the base body unit; the interface unit comprises an input / output interface arranged on the first base body or the second base body, and the input / output interface is insulated from the grounding layer; and the resonance unit comprises an inductance metal layer, a capacitance metal layer and a welding metal layer. According to the invention, the frequency range of the resonator can be expanded to a lower degree under the condition that the dielectric constant and the length of the resonator are fixed, so that the application frequency range of the ceramic resonator is increased.

The invention relates to the technical field of resonators, and discloses a microwave dielectric ceramic resonator and a use method thereof.The microwave dielectric ceramic resonator comprises a ceramic resonator body which is used for a modern communication system and meets the requirements for high performance, miniaturization and integration, and two buffer protection mechanisms which are located at the bottom of the ceramic resonator body and used for reducing vibration and protecting the ceramic resonator body. The buffer protection mechanism is used for protecting the ceramic resonator body, the mounting and dismounting mechanism is located at the bottom of the buffer protection mechanism and used for replacing the ceramic resonator body, and the mounting bottom plate is located at the bottom of the mounting and dismounting mechanism and used for mounting the ceramic resonator body. The tops of the two buffer protection mechanisms are fixedly connected to the two sides of the bottom of the ceramic resonator body respectively. Liquid in the containing groove is squeezed into the oil containing groove or sucked into the containing groove from the oil containing groove through movement of the movable limiting block, impact force can be relieved, the microwave dielectric ceramic resonator is prevented from being damaged by the impact force, and the service life of the microwave dielectric ceramic resonator is prolonged.

In one aspect, an apparatus is disclosed, the apparatus comprising: a surface mount integrated circuit package housing an active oscillator circuit; an integrated ceramic resonator formed from a ceramic substrate having an upper planar surface receiving a surface mount integrated circuit package, the integrated ceramic resonator comprising: a plurality of conductive walls forming a conductive periphery of a ceramic cavity in the ceramic substrate; a conductive rod extending vertically into the ceramic cavity, wherein the conductive rod is isolated from the conductive periphery of the ceramic cavity so as not to contact the conductive periphery of the ceramic cavity; a first conductive material extending vertically through an upper planar surface of the ceramic substrate to connect a conductive periphery of the ceramic cavity to a surface mount integrated circuit package housing the active oscillator circuit; and a second conductive material extending through the upper planar surface of the ceramic substrate to connect the conductive rod to a surface mount integrated circuit package.