6 results about "Microwave applications" patented technology

Devices and methods that use returned power (RP) measurements during microwave energy delivery to perform one or more functions. For example, such microwave devices and systems with one or more features to measure the returned microwave power. One or more measurements of the returned microwave power may be used to obtain information about one or more of: antenna shape, system status and system performance. One or more measurements of the returned microwave power shaping elements may also be used to obtain information about one or more properties of the target material. Devices and methods for delivering microwave energy to a variety of target materials to achieve a variety of desired microwave effects.

1. Name of the product in this design: Isolator. 2. Application of this design: This design is intended for use in industrial microwave applications. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The inventive concept provides a substrate processing apparatus. In an embodiment, the substrate processing apparatus comprises a process chamber having a process space for processing a substrate therein, a substrate support unit configured to support the substrate in the process space, and a microwave application unit configured to apply microwaves to the process space, and wherein the microwave application unit comprises a solid state device based microwave power generator.

The application discloses a kind of microwave reflection quadrature mixing based grain moisture content detection device and its detection method, belong to microwave application technical field, including measured sample, sample container, front panel, device shell and microwave oscillator located in the inside of device shell, power divider, quadrature mixer, circulator, transceiver multiplexing antenna, sliding bracket, guide rail unit and control unit;The application adopts quadrature mixing technology, designs corresponding transceiver multiplexing antenna, realizes the continuous measurement of space standing wave signal by the movement of transceiver multiplexing antenna, and the reflected signal after the action of microwave transmitting signal and sample is quadrature mixed by quadrature mixer, and the function relationship formula is established to retrieve grain moisture content by processing and analyzing signal through control unit, to realize grain moisture content real-time measurement.The application improves the portability and measurement accuracy of microwave moisture content detection device, so that the measurement result is not affected by material thickness and bulk density, and rapid, non-destructive, high-precision detection of granular grain moisture content can be realized.

The invention discloses a high-power microwave-oriented phased array radio frequency front end electromagnetic vulnerability evaluation method and system. The method specifically comprises the following steps: firstly, measuring a multi-port S parameter matrix of a phased array antenna under specified frequency and beam pointing; then calculating an equivalent excitation vector of each antenna port under high-power microwave incidence after the mutual coupling effect is considered; then, a special multichannel program control injection system is constructed, and equivalent injection is carried out; and finally, when high-power microwave interference is injected, monitoring the channel gain of the phased array radio frequency front end, and by gradually increasing the interference power, judging the critical interference level when the channel gain is reduced to 3dB and cannot be recovered after an interference signal is closed, and taking the critical interference level as an electromagnetic vulnerability evaluation result for high-power microwaves. The system is high in simulation precision, high in test efficiency, high in flexibility, high in system integration degree, low in cost, scientific in criterion and clear in direction, and provides key data support for anti-damage capability evaluation of equipment.

Disclosed is a microwave application unit for applying microwaves to generate plasma. The microwave application unit includes an antenna plate disposed on a support unit and having a plurality of slits; a power source configured to apply microwaves to the antenna plate; a dielectric plate disposed above the antenna plate to face the antenna plate; an upper plate disposed above the dielectric plate; and a transmission plate disposed below the antenna plate and configured to transmit microwaves to a process space, wherein a regulation groove for regulating an electric field is formed on a lower surface of the upper plate.