48results about How to "Conducive to miniaturization" patented technology

The invention discloses a de-framing coil clamp for non-upper edge optic fiber ring of optic fiber gyroscope, composed of a coil A clamp (1), a coil B clamp (2), a round ring (3), a optic fiber ring (4), and a de-framing ring (5), the round ring (3) is installed on outer ring of end face (2b) of the coil B clamp (2), the de-framing ring (5) is sleeved in the round ring (3), and installed on D lug boss (21) of the coil B clamp (2); one end of the optic fiber ring (4) contacts with A end face (5) of the de-framing ring (5), the other end of the optic fiber ring (4) contacts with B recessed cavity (11) of the coil A clamp (1); the coil A clamp (1) is connected with the coil B clamp (2) via screws. The upper part of optic fiber frame (42) of optic fiber (4) according to the invention are in free state without being limited by the upper edge, and being extruded under condition of vibration or temperature change, meanwhile, the lower part of the optic fiber coil (41) contacts with the optic fiber frame (42) to realize supporting effect and distribute the temperature gradient along the axle line direction.

The invention provides an image data transmission circuit of a satellite-borne high-resolution CCD (Charge Coupled Device) camera, relating to the technical field of aerospace optical remotely-sensed imaging technology and solving the problem that the performance of the data transmission circuit is reduced after data transmission because the transmission of image data of a single channel of the traditional satellite-borne CCD remote sensing camera needs coordination of a plurality of differential driver integrated circuits. The image data transmission circuit comprises a high-speed serial differential transmitting circuit at a transmitting end and a high-speed serial differential receiving circuit at a receiving end. The high-speed serial differential transmitting circuit receives image data, line synthesizing signals and data clock output by a satellite-borne high-resolution CCD; the image data, the line synthesizing signals and the data clock are subjected to parallel-serial conversion and differential driving through a high-speed LVDS (Low Voltage Differential Signaling) serializer to output four groups of high-speed serial LVDS signals; and the four groups of LVDS signal flows are transmitted to the high-speed serial differential receiving circuit through an LVDS transmission cable. By means of the image data transmission circuit provided by the invention, the size, the weight and the power consumption of a data transmission link of the satellite-borne high-resolution CCD camera are reduced, and the quality of image transmission is effectively ensured.

The invention discloses a hybrid flexible touch sensor. The sensor is composed of a shielding layer, a flexible substrate, a plane interdigital electrode, an insulation spacer layer, an elastic dielectric layer, and a contact layer; the shielding layer, the flexible substrate, the insulation spacer layer, the elastic dielectric layer and the contact layer are orderly arranged from bottom to top; the insulation spacer layer is a frame structure, the plane interdigital electrode is adhered on the flexible substrate and located in an inner frame of the insulation spacer layer; the thickness of the insulation spacer layer is 0.01mm-0.06mm thicker than that of the plane interdigital electrode. The electrode of a capacitor part adopts an interdigital electrode structure; compared with the traditional parallel-plate type capacitive touch sensor, the touch sensor abandons a floating electrode, thereby facilitating the flexibility and the miniaturization of the touch sensor; the capacitive andresistive complementary structure is adopted, and the resistive structure is used as an expansion structure of the capacitive structure so that the measurement range can be enlarged.

The invention provides a double-beam splitting system, and belongs to the field of spectrum instrument design. The double-beam splitting system aims at solving the problems that in the prior art, the size is large, the cost is high, and measurement errors are caused by spectrum overlapping. The double-beam splitting system comprises an entrance slit I, an entrance slit II, a diffraction grating and a detector, wherein the entrance slit I and the entrance slit II are arrayed in the length direction, chromatic dispersion is conducted on sample light input through the entrance slit I and reference light input through the entrance slit II respectively through the diffraction grating, and the spectrum of the sample light beam where chromatic dispersion is conducted through the diffraction grating and the spectrum of the reference light beam where chromatic dispersion is conducted through the diffraction grating are arrayed on the detector side by side. According to the double-beam splitting system, the sample light input through the entrance slit I and the reference light input through the entrance slit II are arrayed in the length direction side by side, the spectrum of the sample light beam and the spectrum of the reference light beam are obtained through the diffraction grating and the detector, and therefore the functions of two beam splitting systems are achieved through one beam splitting system, overlapping or crosstalk can not happen to the two light beams, and the problem of measurement errors caused by light beam overlapping is avoided.

The invention discloses a rectifying mechanism for sheet medium and medium treatment equipment with the rectifying mechanism. The rectifying mechanism comprises a rectifying roller component, an adjusting roller component, a sensor, and a control mechanism, wherein the rectifying roller component comprises a first driving roller and a paper pressing mechanism matched with the first driving roller; the sheet medium is arranged between the first driving roller and the paper pressing mechanism in a deflectable manner; the adjusting roller component is arranged downstream the rectifying roller component in the medium conveying direction, and comprises a second driving roller and a driven roller tangent to the second driving roller; the sensor is used for detecting the medium in a medium passage; and the control mechanism is used for control the rotation of the first driving roller and starting the rotation of the second driving roller in a time delay manner after the sensor detects the existence of the medium. The rectifying mechanism has the advantages that the structure is compact; and the deflection of the medium can be rectified within a very short transmission distance, which is favorable for device miniaturization.

The invention discloses an infrared double waveband confocal optical system. The system comprises a first lens assembly with positive focal power, a second lens assembly with positive focal power, a third lens assembly with negative focal power and a fourth lens assembly with positive focal power, wherein the first lens assembly, the second lens assembly, the third lens assembly and the fourth lens assembly are successively arranged; the second lens assembly is a humorous diffraction element, and the focal distance of the infrared double waveband confocal optical system is f; and the focal distance of the first lens assembly is f1, wherein f/f1 is more than 0.25 and is less than 0.76. The infrared double waveband confocal optical system provided by the invention utilizes the physical characteristic of the humorous diffraction element to realize multiband fusion of a confocal surface; the infrared double waveband confocal optical system is designed through optimizing the face type parameter of each surface and properly selecting the diffraction level of the humorous diffraction element, so that the system can correct the chromatism of a wide spectrum, picture quality of each wave band can achieve diffraction limit, and thus being beneficial for the miniaturization of the optical system; and the processing meets the technical requirement of common diamond lathe turning, and the manufacturing cost is reduced.

The invention provides a capacitance type fingerprint sensor packaging structure and packaging method. The capacitance type fingerprint sensor packaging structure comprises an independently packaged chip, a fingerprint sensing element and a substrate, wherein the fingerprint sensing element is arranged above the chip and electrically connected with the chip, the substrate is arranged under the chip, the substrate is electrically connected with the fingerprint sensing element through a solder ball, and the substrate is electrically connected with the chip through the solder ball and the fingerprint sensing element. According to the capacitance type fingerprint sensor packaging structure and packaging method, the fingerprint sensing element is separated from the chip and then electrically connected with the chip. Thus, the surface area of the whole fingerprint sensor packaging structure is reduced.

A liquid crystal display (LCD) module includes a back bezel, a backlight module, a frame, an LCD panel, a circuit board, an assembling element, and a gasket. The frame has a top part and a bottom part opposite to the top part, and the bottom part faces the back bezel. The circuit board is configured on the top part of the frame and has a first surface and a second surface opposite to the first surface. The second surface faces the frame, and the circuit board has a ground area on the second surface. The assembling element pierces through the frame and connects the frame to the back bezel. The gasket leans against the ground area of the circuit board and the assembling element to form a conductive path from the ground area, the gasket, the assembling element to the back bezel.

The invention discloses a production method of a stacked nanowire. The production method includes steps of a, forming a hard mask on a substrate; b, etching the substrate to form a first trench; c, forming a bottom etching stopping layer at the bottom of the first trench; d, etching the first trench and forming a second trench in the side of the first trench; e, smoothing fins to form the stacked nanowire. According to the arrangement, dry etching is combined with wet etching, vertical pitch is controlled by the dry etching, and the etching stopping layer is injected to control the wet etching, in this way, the precision of the stacked nanowire is increased, and minimization of device is facilitated.

The invention discloses a wide-spectrum light source for a fiber-optic gyroscope and a manufacturing method of the wide-spectrum light source. The light source can be an L-wave-band light source or a C+L-wave-band light source. Both the L-wave-band light source structure and the C-wave-band light source structure comprise pump lasers, optical fiber wavelength division multiplexers, er-doped optical fibers, optical fiber isolators and optical fiber reflectors. The C-wave-band light source structure is similar to the L-wave-band light source structure. The L-wave-band light source or the C+L-wave-band light source can be cascaded through a 1*3 optical fiber coupler. According to the wide-spectrum light source for the fiber-optic gyroscope and the manufacturing method of the wide-spectrum light source, a full-optical-fiber device is adopted, the wide-spectrum light source is easy to manufacture, miniaturization is facilitated and the wide-spectrum light source has the advantages of being wide in spectrum of the light source, high in power output, good in stability of wavelength, free of polarized radiation, not sensitive to ultraviolet ray, low in cost, long in service life and the like.

The invention provides a micro-accelerometer sensor based on embedded core twin-core polarization maintaining fiber. The micro-accelerometer sensor is characterized in that light emitted by a light source enters single-core polarization maintaining single-mode fiber from a first output port of a circulator after passing through the circulator; the light is then coupled and input to the twin-core polarization maintaining fiber through a polarization maintaining fiber coupler; and finally the light enters a speed sensing probe composed of the twin-core polarization maintaining fiber and is reflected by a reflection device of the speed sensing probe to return according to original routes, emerges through a second output port of the circulator after passing through the polarization maintaining fiber coupler and is received and detected by a detector. In the invention, a twin-core Michelson interferometer structure is adopted to realize acceleration measurement, which is favorable to miniaturization and integration of the sensor; the polarization maintaining fiber is adopted to form a Michelson interferometer, which can solve the stability problem caused by random variation of a polarization state of the traditional accelerometer sensor; and the method for manufacturing the fiber coupler is simple and feasible and has high yield.

The invention discloses a bistable electromagnetic valve. The bistable electromagnetic valve comprises an air inlet pipe, a valve body and an air outlet pipe; a cylindrical cavity is formed in the valve body, and a fixed annular magnet, a moving assembly and an electromagnet are sequentially arranged in the cylindrical cavity in the direction from the air inlet end to the air outlet end; the moving assembly can move between the fixed annular magnet and the electromagnet in the axial direction of the cylindrical cavity; the moving assembly can seal a valve port under the attraction of the fixed annular magnet, so that the valve is kept in a normally off state; and when the valve is powered on, under attraction of the electromagnet, the moving assembly gets far away from the valve port and is attached to a cylindrical iron core of the electromagnet, the valve is opened, and the structure is a bistable structure. The bistable electromagnetic valve has the advantages that the problems that a traditional electromagnetic valve is low in reliability, large in energy consumption and difficult to miniaturize can be solved, the combination of a mechanical spring and an ejector rod is replaced with a magnetic spring, and therefore the reliability of the electromagnetic valve is improved, and meanwhile the energy consumption and the size of the electromagnetic valve are reduced; and in a micro electronic system, the bistable electromagnetic valve has great application potential.

The invention provides a package structure of optical sensors and a package method of the optical sensors. The package structure comprises a sensor module and a protective glass module; multiple optical sensors of the sensor module are embedded in a first molding layer; each of the optical sensors comprises a transmitting chip and a receiving chip; light emitting surfaces of multiple transmittingchips and light-sensitive surfaces of multiple receiving chips are located in the same direction; glass units of the protective glass module penetrate through and are embedded in a second molding layer; the sensor module and the protective glass module are bonded; and the multiple glass units cover the light emitting surfaces of the multiple transmitting chips and the light-sensitive surfaces of the multiple receiving chips in a one-to-one correspondence relation. Since the transmitting chips and the receiving chips are embedded in the first molding layer, and the corresponding glass units areembedded in the second molding layer, the thickness of the package structure can be reduced. The invention further provides a package method of the optical sensors.

The invention relates to the field of mini tillers, in particular to an electric mini tiller. The electric mini tiller comprises a rack, a driving mechanism, a walking mechanism, tilling cutter assemblies, a handrail assembly and a transmission mechanism. The driving mechanism, the walking mechanism, the tilling cutter assemblies, the handrail assembly and the transmission mechanism are arranged on the rack, and the transmission mechanism is connected with the driving mechanism, the walking mechanism and the tilling cutter assemblies. Each tilling cutter assembly comprises a cutter shaft, a cutter head and a blade, wherein the cutter head is fixedly connected to the middle of the cutter shaft, the blade is detachably connected to the cutter head, one end of the cutter shaft is a tubular connecting section, the other end of the cutter shaft is a shrinking tube section capable of being inserted into the connecting section of another cutter shaft, and connecting holes are formed in the shrinking tube section and the connecting section of the cutter shaft in a matched mode and are through in the radial direction. An insertion pin is detachably connected to the cutter shafts and can be inserted into the connecting holes and makes the two cutter shafts fixedly connected. The tilling cutter assemblies are convenient to detach, the multiple tilling cutter assemblies can be connected through the cutter shafts, and according to widths of detailed tilling environments, the number of the tilling cutter assemblies connected with one another is convenient to select.

The invention discloses a rotating shaft type rotor engine, which comprises a rotating shaft type rotor mechanism, a compressing impeller mechanism and an air gate mechanism and has two strokes which are an air inlet compressing stroke and an air exhaustion acting stroke, wherein the two strokes are separately completed in two independent cavities of the engine synchronously, so that the rotating shaft type rotor engine has very high mechanical efficiency; when the engine is in operation, fresh air enters into the engine through an air inlet of the engine, the compressing impeller mechanism compresses and does work on the fresh air to complete air inlet compressing stroke, and then the air is imported into the cylinder body of the engine through the air gate mechanism and mixed and burnt with fuel oil to drive the rotating shaft type rotor mechanism to rotate and do work and the exhaust gas after burning is exhausted through a gas exhaustion channel of an air cylinder body. The rotating shaft type rotor engine disclosed by the invention is small in relative volume, simple in structure, stable and reliable in operation, energy-saving and environmentally friendly, convenient to install, wide in application scope and low in manufacturing, use and maintenance costs and has very high economic and practical values.

The invention discloses an electronic equipment and a camera assembly thereof. The camera assembly comprises a pedestal, an optical filter and a deformation member; the pedestal is provided with a light transmission portion; the optical filter includes first to fourth lateral sides, the first lateral side is fixed to the pedestal, the optical filter includes a shielding state and a deviation state, light out of the light transmission portion irradiates the optical filter when the optical filter is in the shielding state, and light out of the light transmission portion does not pass the optical filter when the optical filter is in the deviating state; and the deformation member is connected with the optical filter, and can generate deformation so that the optical filter is switched between the shielding state and the deviation state. According to the camera assembly, the camera assembly can have more functions, different requirements of the electronic equipment are met, and further using requirements of a user are met. At the same time, the deformation member is used to drive switching of the optical filter, so that the camera assembly can be minimized.

The invention relates to a metamaterial capable of diverging electromagnetic waves. The metamaterial comprises an anisotropic metamaterial panel with a diverging function, the metamaterial panel comprises two areas, at least one area includes at least two portions, an intersecting line of the two areas serves as a demarcation line, reflective indexes of the portions of each area gradually change from small to large with the change of distance away from the demarcation line from near to far, the reflective indexes at the junction positions of the portions discontinuously change, reflective index change ranges of the portions are intersected and non-null, the metamaterial panel is formed by stacking at least one piece of metamaterial slice layer, the metamaterial slice layer comprises a slice-shaped substrate and a plurality of artificial microstructures adhering to the substrate, each artificial microstructure is in a non-90-degree rotational symmetrical structure, an extraordinary light optical axis of an index ellipsoid of each artificial microstructure is not perpendicular and not parallel to a transmission direction of an incident electromagnetic wave, and the size of the artificial microstructure of the metamaterial is merely required to change in a small range so as to achieve the diverging effect.

The invention provides a multifunctional amphibious agricultural machine for mountainous areas, which belongs to the technical field of agricultural machinery and mainly solves the problems of large farming energy consumption and amphibious use. It includes a walking unit, a control unit and a farming unit, and its characteristics are: the walking unit includes a chain rail type walking device and a buoyancy walking device; the chain rail type walking device includes a chain rail bracket, a lifting pillar, a chain rail lifting mechanism, a chain rail and driving wheel, the chain rail lifting mechanism is fixedly connected with the chain rail bracket, which is powered by a hydraulic system; the buoyancy traveling device includes a buoyancy bin and a rotary tiller wheel, and when the chain rail type traveling device is lifted, the buoyancy bin Floating in the water, at this time, the rotary cultivating wheel is the tilling mechanism and the driving mechanism for the agricultural machine to advance; the control unit includes a remote control receiving device and a remote control device, and the remote control receiving device is located at the rear of the agricultural machine body. The tillage unit includes a tiller and a rotary tiller.

The invention discloses a coal mine underground autonomous mobile device charging device and control system, the charging device and control system is composed of a mobile module and a fixed module, and the mobile module is a part of an autonomous mobile device which is installed on a coal mine underground track and operates along the track and is used for driving the autonomous mobile device to walk. The fixing module is installed at one end of the track and used for being matched with the mobile module to charge a battery of the autonomous mobile device. A direct-current permanent magnet motor in the mobile module serves as a motor and a generator and has a reuse function, and the internal composition, size and weight of the autonomous mobile device are reduced. Meanwhile, the fixed module and the mobile module are mechanically connected through the magnetic coupling, no electric spark is generated, the structure is simple, and the safe charging problem of coal mine underground autonomous mobile device in the explosion environment is solved.

According to the invention, a five-piece type structure is adopted, and a single negative lens is used as a zoom group to move along an optical axis to achieve two-gear zooming; generally, a large field of view is used for searching for a target in a large range, and then zooming is switched to a small field of view for accurate tracking and recognition. When the zoom group moves axially to approach the front fixed group, the field of view is large; when the zoom group moves away from the front fixed group, the field of view is small. And the system rear fixing group is combined with a zinc selenide material to reduce the chromatic aberration of the system and improve the image quality of the system. The focal power is reasonably distributed, and the aberration of the system is balanced bycombining with an even aspheric surface, so the structure of the optical system is simplified, and long and short focal lengths can be clearly imaged. The sensitivity of each optical element is reduced by adjusting the curvature and the thickness, so the lens is easier to process, assemble and adjust.

The invention discloses an electronic assembly welding spot for temperature circulation. The welding spot is also called an interconnection point and is used for packaging an electronic assembly, wherein the axle distance or the section area of the cross section of the interconnection point is distributed in a non-uniform manner from the center line of the electronic assembly to the edge of the electronic assembly. The cross section of the interconnection point is in the shape of an irregular polygon, and the axle distance of the interconnection point is distributed in a non-uniform manner from dense to sparse from the center line of the electronic assembly to the edge of the electronic assembly. The cross-sectional area of the interconnection point is distributed in a non-uniform manner from large to small from the center line of the electronic assembly to the edge of the electronic assembly. The interconnection point is in the shape of a sand clock. The electronic assembly welding spot has the characteristic of different spot size or non-uniform distribution of the welding spot, provides the optimal distribution of the welding spot sizes and axle distances and also provides the optimal welding spot shape at the same time, thereby enabling each welding spot and each part of the welding spot to bear the equal stress, relieving the stress borne by the tail end of the corner welding spot, and reducing the occurrence probability of welding spot breakage.

The invention discloses a periodic permanent magnetic structure and belongs to the field of microwave vacuum electronic devices. The periodic permanent magnetic structure comprises pole shoes (1), positioning rings (2), permanent magnetic rings (3), and electronic injection channels (4). The pole shoes (1), the positioning rings (2) and the permanent magnetic rings (3) are periodically arranged to form the periodic permanent magnetic structure. The periodic permanent magnetic structure has the advantages that with the purpose of miniaturization of spiral line traveling-wave tubes, the ratio of a radial magnetic flux density peak valve BR0 and a axial magnetic flux density peak value BZo can be optimized to be 1 %. The periodic permanent magnetic structure is fine in performance, is favorable for miniaturization of the microwave vacuum electronic devices, and has a high practical value.

An optical communication device comprises a circuit board, a light-emitting component, a light-receiving component and a planar light wave circuit. The circuit board comprises an installation surface. The installation surface is provided with a groove. The groove comprises a bottom surface, a connection installation surface as well a first inclined surface and a second inclined surface of the bottom surface. The first inclined surface and the second inclined surface are respectively provided with a reflecting layer. The light-emitting component comprises a light-emitting surface. A first light concentration portion is formed on the light-emitting surface. The light-emitting component is arranged on the installation surface and the first light concentration portion faces to the reflecting layer of the first inclined surface. The light-receiving component comprises a light-receiving surface. A second light concentration portion is formed on the light-receiving surface. The light-receiving component is arranged on the installation surface and the second light concentration portion faces to the reflecting layer of the second inclined surface. The planar light wave circuit is formed on the bottom surface, and the two ends of which are opposite to the reflecting layers of the first inclined surface and the reflecting layer of the second inclined surface respectively. The planar light wave circuit is formed on the bottom surface of the groove, so that the size of the optical communication device can be substantially reduced.

The invention relates to a method for processing an inductance component, comprising a first step of a base layer preparation phase; a second step of a conductive main structure preparation phase; a third step of an electrical enhancement layer preparation phase; and a fourth step of a terminal electrode preparation phase. In addition, the present invention also discloses an inductance component prepared by using the method, which includes an insulating substrate 1, an insulating substrate 2, an electrical layer, a first insulating layer, an electrical enhancement layer, a second insulating layer, and a terminal electrode. The electrical layer is arranged between the insulating substrate 1 and the insulating substrate 2. The insulating substrate 1 and the insulating substrate 2 include a through hole 1 and a through hole 2, respectively. The electrical layer is disposed on the upper, lower, front and rear sides of the insulating substrate 1 and on the the upper, lower, front and rear sides of the insulating substrate 2. The first insulating layer is disposed on the upper, lower, front and rear sides and the inner wall of the electrical layer. The method for preparing the inductancecomponent effectively reduces the size of the inductance component, and effectively solves the solder tin creeping when the inductance component is soldered.

The invention discloses a sensing device and an electronic cigarette. The sensing device is used for detecting internal airflow of an airflow channel and comprises a micro-electro-mechanical structure, wherein the micro-electro-mechanical structure comprises a vibrating membrane and a back plate; the back plate is opposite to the vibrating membrane to form a capacitor; the back plate is provided with at least one through hole; a gap is formed between the back plate and the vibrating membrane; a first surface of the vibrating membrane communicates with the inside of the airflow channel; a second surface of the vibrating membrane communicates with the outside atmosphere through the gap; the vibrating membrane prevents the inside of the airflow channel from communicating with the gap and deforms under the action of air pressure difference between the first surface and the second surface; and capacitance change of the capacitor at least represents the flow speed of air in the airflow channel.

The invention relates to a cooking device which comprises a pot and a stirring system, the stirring system comprises a stirring driving device, a stirring component, a stirring auxiliary component anda track changing mechanism, the track changing mechanism is connected with the stirring component and the stirring driving device and is configured to change the spatial position of a stirring shaftwhen the stirring component rotates, so that a material stirring part of the stirring component is close to the inner wall of the pot and the inner wall of the stirring auxiliary component in the rotating process. According to the device, materials can be well turned and stirred, and the problem that cooking materials fall out of a pot can be effectively solved; meanwhile, the device also has theadvantage of being convenient to miniaturize.

The invention provides an aluminum substrate which comprises an aluminum bottom plate. Conducting metal layers, a metal oxide insulating layer and a metal film layer are sequentially arranged on the surface of the aluminum bottom plate from top to bottom, and a conducting circuit and crystal curing functional zones of LED chips are arranged on one of the conducting metal layers. The aluminum substrate has the advantages that the metal oxide insulating layer is good in radiating performance, so that the service life of each LED chip can be prolonged; and the LED chips can be connected with one another serially or in parallel and can be combined with one another after the LED chips and the substrate are packaged at one step, and can emit light and work after being directly connected with a driving circuit, accordingly, package processing steps are simplified, semiconductor materials and the cost are saved, and the production efficiency is improved greatly.

The invention discloses an air conditioner indoor unit which comprises an air duct component. The air duct component is provided with a cylindrical first air duct and a cylindrical second air duct. The first air duct comprises a first air inlet and a first air outlet which are located at the two axial ends correspondingly. A second air inlet is laterally formed in the second air duct, second air outlets are formed in the two axial ends of the second air duct, and the second air duct perpendicularly communicates with the first air duct through the first air outlet and the second air inlet. Accordingly, due to the fact that the first air outlet in the axial direction of the cylindrical first air duct perpendicularly communicates with the lateral second air inlet of the cylindrical second air duct, the structure is simple and compact, and miniaturization of the air conditioner indoor unit is facilitated.

The invention discloses a substrate integrated waveguide filter based on artificial surface plasmon, and the filter comprises a dielectric substrate, an upper layer circuit board located on the upper surface of the dielectric substrate and a lower layer grounding plate located on the lower surface of the dielectric substrate; the upper layer circuit board comprises an input port, an ML-SIW transition part, a substrate integrated waveguide part, an SIW-ML transition part and an output port; the substrate integrated waveguide part is of an upper-row metal via hole array structure and a lower-row metal via hole array structure which are the same and correspond in parallel; an artificial surface plasmon structure which is formed by metal trough lines and is in bilateral symmetry and up-down symmetry is etched between the upper-row metal via hole array and the lower-row metal via hole array, and the artificial surface plasmon structure comprises N artificial surface plasmon units and a central horizontal trough line. After the cut-off frequency of the upper sideband is reduced, the filter still has a small size, miniaturization and light weight of the filter are facilitated, and good out-of-band rejection capacity is achieved. The upper or lower sideband cut-off frequency of the filter can be adjusted, and the design flexibility is high.

The invention discloses a tin dioxide-doped ST-base energy storage material and a preparation method thereof. The preparation method comprises the following steps: firstly, respectively weighing the raw materials with corresponding masses in molar ratio to obtain a mixture, carrying out ball milling, drying and briquetting on the mixture to form a full ingredient, and sequentially carrying out granulation and sieving on the full ingredient, so as to obtain a granulated material; secondly, pressing the granulated material into a sample, and sintering the prepared sample, so as to obtain a sintered sample; and finally, polishing and cleaning the sintered sample, uniformly coating the front and rear surfaces of the polished and cleaned sample with silver electrode slurry, and sintering the sample coated with the electrode slurry, so as to obtain the tin dioxide-doped ST-base energy storage material. The energy storage material prepared by virtue of the preparation method has high breakdown field strength and energy storage density, meanwhile, a preparation process is simple, low in material cost and environment-friendly, and the energy storage material is an important candidate material with technical and economic benefits for replacing a lead-base ceramic material to be used as a high-end industrial application material.