30 results about "Dielectric sphere" patented technology

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.

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.

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 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.