25 results about "Microwave applications" patented technology

A method of manufacturing a passive component for electromagnetic applications, such as power electronics applications, electromagnetic shield applications, or other high frequency microwave applications, includes creating a component body from a soft magnetic material feedstock using an additive manufacturing technique and infiltrating the component body with an infiltrant to increase a bulk density of the component. Another method of manufacturing a passive component for electromagnetic applications, such as power electronics applications, electromagnetic shield applications, or other high frequency microwave applications, includes binder jet printing a component body from a soft magnetic material feedstock and sintering the component body. The material feedstock may have an engineered particle size distribution and / or may comprise various composite materials as described herein. In addition, the sintering may include liquid-assisted sintering.

A microwave waveguide of unitary construction comprising integrated reinforcing ribs or protrusions 124 and cooling pipes 122. The reinforced ribs extend along the waveguide in a direction parallel to

The invention discloses a microwave resonance detection device and a microwave resonance detection method for synchronously measuring the moisture content and the bulk density of a material, and belongs to the technical field of microwave application. The microwave resonance detection device comprises a sample cavity, a resonant cavity, a discharging device, a temperature sensor, a signal processing module and a display unit; a microwave signal is generated through the signal processing module, is coupled to the resonant cavity through the sending probe and is received by the receiving probe after interacting with a sample, and the resonant frequency and power attenuation are detected by the reference detector and the signal detector in the signal processing module. The temperature of a sample is detected by the temperature sensor positioned in the sample groove, a signal is analyzed by the signal processing module, a function relation is established, and synchronous measurement of the moisture content and the bulk density of a measured material is realized. The measurement precision of the microwave moisture content and bulk density detection device is improved, the measurement result is not influenced by temperature, and rapid and high-precision detection of materials such as particles and powder is realized.

To provide a food-packaging molded container for microwave applications, which is economically superior without requiring unnecessary steps or materials, and in which the gloss level of the inner container surface is 50% or more.SOLUTION: A low heat-resistant polystyrene-based resin foam layer (11) employs, as a base resin, (A) a polystyrene-based resin composition comprising a polystyrene-based resin having a Vicat softening point of 105°C or lower, or (B) a polystyrene-based resin composition comprising 89 to 99 mass% of a polystyrene-based resin having a Vicat softening point of 105°C or lower and 1 to 11 mass% of a polyphenylene ether resin. A high heat-resistant polystyrene-based resin foam layer (12) employs, as a base resin, (C) a polystyrene-based resin composition comprising 70 to 86 mass% of a polystyrene-based resin having a Vicat softening point of 105°C or lower and 14 to 30 mass% of a polyphenylene ether resin, or (D) a polystyrene-based resin composition containing 80 mass% or more of a styrene-(meth)acrylic acid copolymer resin.SELECTED DRAWING: Figure 2

An electric current measuring device according to an embodiment of the present invention comprises a substantially annular magnetic core that has an air gap, an NV sensor element that includes a diamond substrate having an NV center and that is disposed in the air gap such that a main surface of the diamond substrate is perpendicular to a gap thickness direction, a measured winding that is wound around a magnetic core, a reference winding that is wound around the magnetic core, a microwave application unit that applies microwaves to the diamond substrate, an exciting light emitting unit that emits exciting light toward the diamond substrate, a fluorescence detecting unit that detects the intensity of fluorescence of the diamond substrate, and a computing unit that calculates the electric current value of a current being measured from the intensity of the fluorescence detected by the fluorescence detecting unit, the frequency of the microwaves, and the electric current value of a detected current, wherein the main surface of the diamond substrate coincides with the (111) plane of a diamond crystal, and the axis of the NV center coincides with the normal direction of the diamond substrate.

An exemplary embodiment of the present invention provided an apparatus for treating a substrate. The apparatus for treating the substrate includes a process chamber having a treating space therein, a support unit for supporting the substrate in the treating space, gas supply unit for supplying treating gas to the treating space, and a microwave application unit for applying microwaves to the treating gas to generate plasma, wherein the microwave application unit includes a transmission plate disposed above the support unit to radiate the microwaves to the treating space, a first waveguide disposed above the transmission plate, and a first power supply for applying the microwaves to the first waveguide, wherein the first waveguide is provided in a ring shape.

A microwave heating device with reflection protection belongs to a technical field of microwave applications. A first port of a circulator is connected to a microwave generator, and a second port of the circulator is connected to a microwave transmission device. A water load comprises a waveguide section, a metamaterial structure layer and the absorption tube. One end of the waveguide section is connected to a third port of the circulator, and the other end is sealed by a metal plate. The metamaterial structure layer is arranged in the waveguide section, and a center of the metamaterial structure layer has an accommodation space. The absorption tube is arranged along an internal wall of the accommodation space with a spiral extending form. Both ends of the absorption tube penetrate the waveguide section, and coolant flows in the absorption tube. Relative dielectric constants of the metamaterial structure layer gradually increase.

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.

A component carrier includes a stack with at least one electrically conductive layer structure and at least one electrically insulating layer structure, and a microwave structure embedded at least partially in the stack. The microwave structure configured for exciting a microwave propagation mode and having at least two stack pieces being interconnected with each other at an electrically conductive connection interface.

The present invention relates to the field of precision measurement, and particularly relates to a radiation structure clamping device and a microwave application method. A radiation structure is clamped between a first connection part and a second connection part in the radiation structure clamping device. The displacement stage moves to drive the radiation structure between the first connection part and the second connection part to move, adjusting the position of the radiation structure, so that the radiation structure has the property of being located at any position on the surface of the sample to be measured, meeting the test requirements of multiple and different measurement positions, and realizing the measurement of different positions to be measured of the sample to be measured; the radiation structure is cooled by a first cooling part and a second cooling part, and the temperature of the radiation structure is stabilized within a certain range, realizing the temperature control of the radiation structure, avoiding the temperature drift phenomenon caused by the increase in the temperature of the radiation structure heating the sample to be measured, that is, avoiding the disappearance of the color center position from the test field of view after the sample to be measured expands due to heat, resulting in test failure.

The present invention discloses a microwave plasma waste solid cracking device, which belongs to the field of microwave application technology. The interior of a first shielding shell and the interior of a second shielding shell are connected through a cutoff waveguide tube; a first feed port is provided on the side of the first shielding shell; a first microwave source is used to input microwaves to the corresponding first feed port, so that the waste solid arranged in the first shielding shell is cracked; an igniter is provided on the second shielding shell, and is used to generate a tip discharge to the interior of the second shielding shell to generate plasma; a second feed port is provided on the side of the second shielding shell; a second microwave source is used to input microwaves to the corresponding second feed port, so that the gas molecules input from the first shielding shell are cracked; and a gas outlet is used to output the gas in the second shielding shell. The microwave plasma waste solid cracking device of the present invention uses microwaves to quickly crack waste solids, and then decomposes large molecular gases into small molecular gases that are easy to handle under the impact of plasma, which greatly reduces the harm of gases to the environment.

The present invention relates to the reduction of materials at low temperatures (<600° C.) by means of microwave radiation without needing to use chemical reducing agents or electrical contacts. It relates more specifically to a method for reducing a material, which comprises the following steps:applying microwave radiation to a material disposed in a microwave application cavity; andseparating simultaneously the fluid oxidation products generated from the reduced material,such that the method is carried out without chemical reducing agents or electrical contacts.

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.

Disclosed is a microwave application unit for applying a microwave to generate plasma. The microwave application unit includes an antenna plate disposed on the support unit and having a plurality of slots; a power supply configured to apply a microwave 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 transmissive plate provided below the antenna plate and configured to transmit the microwave to the processing space, wherein an adjustment groove configured to adjust an electric field is formed on an lower surface of the upper plate.

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 invention discloses intelligent microwave curing equipment for medium and large composite materials, and relates to the technical field of microwave application. The medium and large composite material intelligent microwave curing equipment roughly comprises an equipment body, an intelligent temperature control imaging regulation and control system, a display and operation integrated screen and a curing chamber. Compared with existing composite material curing equipment, a traditional thermal forming mechanism is changed, microwaves are adopted to directly act on an object to be treated, meanwhile, intelligent temperature control imaging regulation and control equipment is assembled, the temperature can be intelligently regulated and controlled, it is guaranteed that heating is uniform in the product curing process, the forming time is shortened, and the product quality is improved.

The present invention discloses a microwave-based plasma torch, which belongs to the field of microwave application technology, and comprises a shielding shell and an input pipe; the input pipe runs through the shielding shell; the input pipe comprises an inlet pipe portion located above the shielding shell, a microwave-permeable tube portion located inside the shielding shell, and an outlet pipe portion located below the shielding shell; a feed port is provided on the shielding shell; the feed port is used to input microwaves to the microwave-permeable tube portion; at least one working air inlet pipe is provided on the inlet pipe portion; the working air inlet pipe is used to input working gas; and the outlet pipe portion is used to output flame. The microwave-based plasma torch of the present invention utilizes microwaves to generate plasma to decompose waste gas, and has the characteristics of long service life, high processing efficiency, energy saving, etc.

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 relates to the technical field of microwave application, in particular to a composite material rapid prototyping process method based on a microwave prototyping process, which mainly comprises use equipment, a process method and mold development. The equipment roughly comprises an equipment body, an intelligent temperature control imaging regulation and control system, a display and operation integrated screen and a curing chamber. The forming process mainly comprises the step of carrying out vacuum bag pressing forming on the prepreg; the mold is made of a high-temperature-resistant wave-absorbing material and can assist in absorbing waves. Compared with an existing composite material forming process, a traditional thermal forming mechanism is changed, microwaves are adopted to directly act on a to-be-formed object, meanwhile, intelligent temperature control imaging regulation and control equipment is assembled, the curing temperature can be intelligently regulated and controlled according to imaging, uniform heating in the product curing process is guaranteed, meanwhile, a wave-absorbing material is adopted for preparing a mold, and the production efficiency is improved. Auxiliary heating shortens forming time and improves product quality.

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.

The present invention discloses a material moisture content detection device and method based on microwave cavity resonance, belonging to the field of microwave application technology. The device comprises a sample to be tested, a microwave generator, a weighing unit, a sample tank, a temperature sensor, a microwave resonant cavity, an excitation probe, a detection probe, a detector, a control unit and a display output unit. In the present invention, the control unit controls the excitation voltage of the microwave generator and generates a microwave signal, which enters the microwave resonant cavity through the excitation probe and is received by the detection probe. The detection probe located inside the microwave resonant cavity detects the change in resonant frequency, and the temperature sensor located below the sample tank measures the temperature of the sample to be tested, establishes a functional relationship, and inverts the moisture content of the material to be tested. The present invention improves the universality and detection accuracy of the microwave moisture content detection device, and the result is not affected by the material temperature and stacking conditions, thereby realizing rapid, non-destructive and high-precision detection of the moisture content of granular, powdered or liquid materials.

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.

The present invention relates to the field of microwave application, and solves the problem that sewage treatment plants cannot effectively sterilize in the prior art. The present invention is an electrodeless ultraviolet sterilization device for sewage treatment plants, including an electrodeless ultraviolet sterilization device and an automatic control device; the electrodeless ultraviolet sterilization device includes a microwave generator and an electrodeless ultraviolet lamp, and the microwave generator is coupled to the electrodeless ultraviolet lamp through a waveguide system; the wide wall of the waveguide system is provided with a hole structure and a resonant cavity; the hole structure penetrates the electrodeless ultraviolet lamp through the resonant cavity. The present invention eliminates the need to clean, seal, and dissipate heat for the quartz tube during the use of the ultraviolet sterilization system of the sewage treatment plant, and the various disadvantages of being easy to damage and difficult to repair and maintain. The lamp has good heat dissipation, which improves the utilization efficiency of ultraviolet light; the lamp is easier to replace and clean; and has strong scalability; the relationship between the ultraviolet light intensity and the power of the magnetron is set by the automatic control device to adjust the sterilization efficiency.

The present invention discloses a microwave resonance detection device and method for synchronously measuring the moisture content and bulk density of a material. The device belongs to the field of microwave application technology and includes a sample chamber, a resonant chamber, a discharge device, a temperature sensor, a signal processing module, and a display unit. The device generates a microwave signal through a signal processing module, which is coupled to the resonant chamber via a transmitting probe. After interacting with the sample, the microwave signal is received by a receiving probe. A reference detector and a signal detector within the signal processing module detect the resonant frequency and power attenuation. A temperature sensor within the sample tank detects the sample temperature. The signal is analyzed by the signal processing module, and a functional relationship is established to achieve synchronous measurement of the moisture content and bulk density of the material being measured. The device improves the measurement accuracy of the microwave moisture content and bulk density detection device, ensuring that the measurement results are not affected by temperature, and enabling rapid and high-precision detection of materials such as particles and powders.

Methods and apparatus for inducing unconsciousness by warming of the brain of an animal by applying microwave radiation through an applicator are described. An electromagnetic flux concentrator comprises a tubular section of reducing internal cross-sectional area and at least one ridge internally thereof extending longitudinally. The applicator is pre-tuned by directing low-power microwave radiation therethrough to a load that approximates the properties of the animal's head, and adjusting the impedance of the applicator to optimize the impedance match. A compensator associated with the waveguide compensates for changes in detected reflected power.