30 results about "Dielectric sphere" patented technology

The present invention provides an electroluminescent display device using dielectric spheres embedded in a flexible electrically conducting substrate. Each of the spherical dielectric particles has a first portion protruding through a top surface of the substrate and a second portion protruding through the bottom surface of the substrate. An electroluminescent phosphor layer is deposited on the first portion of each spherical dielectric particles and a continuous electrically conductive, substantially transparent electrode layer is located on the top surfaces of the electroluminescent phosphor layer and areas of the flexible electrically insulating substrate located between the top surfaces of the electroluminescent phosphor layer. A continuous electrically conductive electrode layer coated on the second portion of the spherical dielectric particles and areas of the flexible, electrically insulated substrate located between the second portions of the spherical dielectric particles.

The invention discloses a frequency conversion power saving control method of a ball mill, which is realized with the following method: 1. starting a ball mill, and initializing a preset controller in the ball mill; 2. operating the ball mill according to the preset frequency; 3. detecting the stator current instantaneous value of the stator current of the AC asynchronous motor of the ball mill, and detecting the stator current instantaneous value by a U\V\W three-phase current Hall sensor arranged in a transducer; 4. calculating the average torque current, current undulation frequency and amplitude of the stator current of the AC asynchronous motor of the ball mill, obtaining the current torque component, current undulation frequency and amplitude according to the rotor magnetic field orientation and vector change on a synchronous rotating coordinate system; 5. in the grinding initial stage, controlling the cylinder of the ball mill to carry out pendular movement according to the calculation result so as to obtain the effect that a dielectric sphere and grinding material are in parabola falling state in the cylinder; and 6. in the middle and later grinding stage, controlling frequency to continuously drop according to the control frequency calculation result of a loading torque.

The invention relates to a sandwich structure for enhancing luminous intensity of photoluminescence of luminous film and a preparation method of the sandwich structure. The sandwich structure is a sandwich structure of substrate-luminous film-monolayer dense-paving sphere array formed by densely paving a micrometern transparent dielectric sphere monolayer on the luminous film; the used micrometer transparent dielectric spheres have relatively high transmissivity to wave lengths of exciting light and fluorescent light in the photoluminescence; the used fluorescence enhancing medium-micrometer transparent dielectric spheres are low in price and are suitable for industrial large-scale application. The used micrometer transparent dielectric spheres are not oxidized under air environment and can be used for steadily enhancing the luminous intensity of the fluorescence of the luminous film for a long time; the used micrometer transparent dielectric spheres have no requirements on the luminous film; the substrate can be nonmetal or metal, and due to substrate, the application range of the luminescence enhancement technology of the photoluminescence of the luminous film is effectively extended.

The invention discloses a zinc oxide micro / nano composite structure array film and a preparation method thereof. In the film, an ordered hexagonal single-layer sphere array is arranged on a substrate; each sphere consists of a dielectric sphere, and a gold film and a zinc oxide nano-stick / cone coated in sequence on the outer surface of the dielectric sphere; the outer diameter of the dielectric sphere is 1-30 mum; the thickness of the gold film is 5-50 mum; the stick / cone axis of the zinc oxide nano-stick / cone is vertical to a sphere center; the length of the stick / cone is 200-800 nanometers; the diameter of the stick / cone is 80-160 nanometers; and the taper of the cone is 3-30 degrees. The method comprises the following steps of: performing ion sputtering and gold film deposition on the substrate with a single-layer crystal template at the pressure of 5-10 Pa to obtain a gold film sphere array; putting the gold film sphere array in zinc oxide electrolyte with the temperature of 60-80 DEG C; and performing electrolytic deposition at the deposition current density of between -0.3 mA / cm<2> and -2.0 mA / cm<2> by adopting a three-electrode method for 30 minutes to 4 hours to obtain the zinc oxide micro / nano composite structure array film. The film can be widely applied to the fields of photoelectronic devices, surface microfluids, sensors and the like.

A re-entrant microwave resonant cavity comprises a stub 6 . A cylindrical wall 2 , first end wall 3 and the stub 6 are integrally formed. A second end wall 4 is defined by a metallization layer 8 deposited on a printed circuit board substrate 9 . The parts are joined using surface mount soldering processes. The end 11 of the stub 6 defines a gap 12 . A rostrum 14 faces the end of the stub 6 . The rostrum 14 is manufactured separately and then fixed to the substrate 9 . A dielectric sphere 16 is located between the end 11 of the probe 6 and the rostrum 14 . The dielectric sphere 16 maintains the gap size during use and aids in correct positioning of the parts during manufacture.

The present invention provides an electroluminescent display device using dielectric spheres embedded in a flexible electrically conducting substrate. Each of the spherical dielectric particles has a first portion protruding through a top surface of the substrate and a second portion protruding through the bottom surface of the substrate. An electroluminescent phosphor layer is deposited on the first portion of each spherical dielectric particles and a continuous electrically conductive, substantially transparent electrode layer is located on the top surfaces of the electroluminescent phosphor layer and areas of the flexible electrically insulating substrate located between the top surfaces of the electroluminescent phosphor layer. A continuous electrically conductive electrode layer coated on the second portion of the spherical dielectric particles and areas of the flexible, electrically insulated substrate located between the second portions of the spherical dielectric particles.

The invention provides a luneberg lens antenna applied to an S waveband, which comprises dielectric spheres and a feed source array used for realizing beam control and scanning capability, the feed source array is uniformly arranged along the peripheries of the dielectric spheres, and the dielectric spheres adopt a layered structure. Materials of each layer of structure of the dielectric sphere include but are not limited to high-dielectric-constant materials such as polystyrene and barium copper titanate. By optimizing the dielectric constant and the thickness of each layer of structure of the dielectric spheres, the convergence effect of the dielectric spheres on feed source array beams is adjusted, the standing-wave ratios of the horn feed source at two cross polarization ports of 1.7 GHz and 2.7 GHz can be smaller than 1.5, and the isolation degree between the feed source ports is larger than 30 dB. Moreover, after the dielectric lens is added, the wave beam width of the lens is obviously narrowed compared with the wave beam width of the feed source, so that the antenna provided by the invention has higher gain, larger working bandwidth and better wave beam coverage capability.

Methods are disclosed for forming subwavelength coatings for use in the UV, visible, or infrared part of the electromagnetic spectrum. A first material and a second material are deposited onto a substrate. The first material may include dielectric spheres of subwavelength size that self-assemble on the substrate to form a template or scaffold with subwavelength size voids between the spheres into which the second material is deposited or filled. First and second materials are heated on the substrate at a preselected temperature to form the subwavelength coating.

The invention discloses a method for peeling coal-measure hard kaolinite, comprising the following steps: pulverizing the coal-measure hard kaolinite, mixing the pulverized kaolin, water and an intercalating agent to obtain intercalation composite slurry , the intercalation composite slurry is ground and stripped with three particle size media balls, and then filtered, washed and spray-dried to obtain the finished product. The method can maintain relatively complete hexagonal flaky kaolinite crystal form, with hexagonal flaky kaolinite crystals accounting for 30-60%.

The invention provides a wave-plate-shaped wave energy collection device based on a friction nanometer generator, and relates to the field of wave energy collection, the wave-plate-shaped wave energy collection device comprises a power generation part formed by connecting a plurality of power generation units in parallel, an energy storage capacitor and electric equipment. Each power generation unit comprises a rectangular zigzag plate; a pair of first electrodes is attached to the outer portions of the upper surface and the lower surface of the zigzag plate; a pair of second electrodes is arranged on the outer sides of the first electrodes; grooves of the first electrodes and the second electrodes form dielectric channels; a plurality of dielectric balls are arranged in the dielectric channels; and flat plates are arranged on the outer sides of the second electrodes. According to the invention, power can be directly supplied to marine equipment or a sensor, after a self-charging energy system is formed by a super capacitor or a battery, wave energy, ocean current energy and other energy can be directly collected, and various marine equipment can be continuously driven without an energy management circuit with a relatively large volume.

The invention relates to a combined purification system of a reed wetland and a composite porous medium ball as well as a construction method and the application of the combined purification system. The system is used for absorbing and purifying ashimita aquaculture effluent water. The ashimita aquaculture effluent water firstly flows into a reed pond of the reed wetland uniformly through an overflow weir and then is naturally purified for the first time; after being purified by the reed wetland, the ashimita aquaculture effluent water is purified by the coal cinder-zeolite composite porous medium ball in an active purification filter tank in an intensified way; the purified water flows back into the ashimita aquaculture water. The combined purification system is capable of effectively removing ammonia nitrogen and organic matters in the water, has the advantages of being free of pollution, low in cost, easy to operate and convenient to maintain and manage, is be used in an ecological repairing method and can be widely applied to maintaining and improving the quality of the ashimita aquaculture water.

The invention discloses an analysis method for electromagnetic scattering of a multilayer spin electromagnetic anisotropy medium sphere. The steps of the present invention are as follows: Step 1. Utilize the established spin electromagnetic medium spherical vector wave function, according to the characteristics of the spherical vector wave function, draw the electromagnetic field in the uniform spin electromagnetic anisotropic medium, and the electromagnetic field can be used with the first and the second The second type of spherical vector wave function superposition represents; step 2. Utilize the tangential continuity of the electromagnetic field on the spherical boundary and the tangential orthogonal characteristics of the spherical vector wave function to obtain the spherical vector wave function for the electromagnetic field in the multilayer spiral electromagnetic dielectric sphere The iterative formula of the expanded expansion coefficient; solving the iterative equation, obtains the expansion coefficient expanded by the spherical vector wave function of the scattering field, and then obtains the electromagnetic scattering characteristics of the multi-layer rotating electromagnetic dielectric sphere under the incident plane wave. The invention is suitable for solving the electromagnetic scattering characteristics of multi-layer spin electromagnetic anisotropy medium spheres under general conditions.

The invention proposes a method for accurately calculating electromagnetic scattering of double anisotropic dielectric spheres. The steps of the present invention are as follows: 1. Utilize the eigenequation of passive Maxwell's equations and double anisotropy medium to deduce the magnetic induction intensity B The differential equation of ; 2. Neutralize the differential equation B The related factors are expressed in the form of spherical vector wave function, and then use the spherical vector wave function M,N The orthogonal nature of the matrix equation can be obtained by using the matrix equation with parameters. Firstly, the parameters of the matrix equation are calculated by using the matrix equation to satisfy the non-zero solution conditions, and then the parameters are substituted back into the matrix equation with parameters to obtain the non-zero solution of the matrix equation. ; 3. Construct a new function, use the new function? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Re-expression of magnetic flux density B， Furthermore, the electromagnetic field inside the dielectric sphere is obtained, and then the electromagnetic field inside the dielectric sphere, the incident electromagnetic field outside the sphere, and the scattered electromagnetic field are substituted into the boundary conditions to obtain the scattering matrix. The invention is suitable for solving the electromagnetic scattering of the bi-anisotropic dielectric sphere with small electrical size.

The invention provides a fine-grained brittle granular layer impact crushing method and device. The problems that for an existing ball-milling device, the impact force is different in size, the material layer thickness is uncontrollable, steel consumption is high, and the energy utilization rate is low are solved. The device for conducting impact crushing on brittle fine granular layers through pneumatic dielectric spheres comprises a high-frequency reciprocating type cylinder impacting system, a material platform rotary system, a material layer loosening and negative pressure screening system and a material inputting and material layer arrangement system. Accordingly, on the basis of the principle that when the material layer granules are impacted by the dielectric spheres, the crushing efficiency is affected by the dielectric sphere diameters, impact force size, material layer thickness and granule size, by keeping the stable material layer state and accurate dielectric sphere diameter and impact force, the crushing efficiency of single impact of the dielectric spheres on the material layers is improved, and scale production is achieved through high-frequency impact and cylinder close-arrangement, and industrial application is promoted.

This invention provides a processing method of Bi1Ti3O12 silicon group ferroelectric water employing butyl titanic acid, glacial acetic acid, bismuth nitrate, and acetylacetone to make up Bi1Ti3O12 sol at the mole rate of 3.00:4.20-4.40 of bytyl titanic acid and bismuth nitrate, the volume percentages of glacial acetic acid, acetylacetone and butyl titanic acid and 10-80%:10-80%:10% separately, by selecting 100 crystal p-type monocrystalline silicon as the substrate, to put drops of sol on it and even it to a moisture wafer to be dried by a fire and annealing to form the desired thickenss of BIT ferroelectric chip by repeating the abore processions of evening gel drying treatment and annealing, which can be used in the process of accumulator with good comprehensive performance in the structure, ferroelectric and dielectric spheres.

The invention discloses a zinc oxide micro / nano composite structure array film and a preparation method thereof. In the film, an ordered hexagonal single-layer sphere array is arranged on a substrate; each sphere consists of a dielectric sphere, and a gold film and a zinc oxide nano-stick / cone coated in sequence on the outer surface of the dielectric sphere; the outer diameter of the dielectric sphere is 1-30 mum; the thickness of the gold film is 5-50 mum; the stick / cone axis of the zinc oxide nano-stick / cone is vertical to a sphere center; the length of the stick / cone is 200-800 nanometers; the diameter of the stick / cone is 80-160 nanometers; and the taper of the cone is 3-30 degrees. The method comprises the following steps of: performing ion sputtering and gold film deposition on the substrate with a single-layer crystal template at the pressure of 5-10 Pa to obtain a gold film sphere array; putting the gold film sphere array in zinc oxide electrolyte with the temperature of 60-80 DEG C; and performing electrolytic deposition at the deposition current density of between -0.3 mA / cm<2> and -2.0 mA / cm<2> by adopting a three-electrode method for 30 minutes to 4 hours to obtain the zinc oxide micro / nano composite structure array film. The film can be widely applied to the fields of photoelectronic devices, surface microfluids, sensors and the like.

The invention discloses a detection device of a static material layer thickness between dielectric spheres. The detection device comprises a support, guide rods are respectively fixed at the upper end of the support and the lower end of the support, a moving base is arranged on the guide rods, the moving base can slide along the guide rods in a left-and-right mode, a first ejecting rod is fixedly arranged at one end of the support, a first ruler rod is fixedly arranged on the first ejecting rod, one end of a screw rod is connected with a hand wheel in a rotating mode, the other end of the screw rod is connected with the moving base in a threaded mode, the hand wheel pushes the screw rod to rotate so as to drive the moving base to move along the guide rods in a left-and-right mode, the moving base is connected with one end of a force measuring device, the other end of the force measuring device is connected with a second ejecting rod, a second ruler rod is fixedly arranged on the second ejecting rod, and a V-shaped guide plate is arranged between the two guide rods which are arranged between the first ejecting rod and the second ejecting rod. According to the detection device of the static material layer thickness between the dielectric spheres, the static thickness of the squeezed material layer between the dielectric spheres can be effectively measured through measurement of change of distance between the two ruler rods, and more accurate experiment data can be provided for ball milling process design.