48results about How to "Resolve reflection" patented technology

The invention provides a building method of a grid map by a mobile robot based on real-time data fusion. The method comprises the following steps: artificially dividing an environment into a plurality of grids with the same size, and obtaining the distance information by sonar sensors arranged on the front end of the mobile robot; extracting measured values of three sonar sensors which are closest to a currently computed grid unit at the same time, respectively explaining a single sonar data by a fuzzy logic and a probability theory so as to obtain a group of characteristic vectors which are subject to the data fusion as input vectors of a neural network, wherein, output values of the neural network comprises idle state, busy state and undefined state of the grid; finally updating the state of the grid by the Bayes rule. The mobile robot of the invention obtains the environmental information by sonar ranging finders and completes the environmental modeling, thus providing reliable basis for the subsequent autonomous navigation of the mobile robot.

A coated laminated glazing providing the improved readability for a data transponder device is disclosed. The coated laminated glazing includes a surface coating layer provided on at least one of facetwo or face three of the laminated glazing and having an etched area selectively provided on the surface coating layer. The coated laminated glazing comprises the data transponder or an antenna positioned below the etched area and sandwiched between a first substrate and a second substrate of the laminated glazing, alternatively, the data transponder is fixed in close proximity to the etched areato face 1 or face 4 of the laminated glazing. The etched area is characterized by a plurality of disjoint patterns to provide the improved data readability through RF transparency. The coated laminated glazing further comprises one or more interlayers disposed between the first substrate and the second substrate.

The invention discloses a particle size measurement device and method based on fiber coupling. The measurement device is composed of a high-stability multi-wavelength light source, an input fiber, a first high-precision electric control optical adjusting bed, a CCD (charge coupled device) imaging system, a second high-precision electric control optical adjusting bed, an output fiber, a high-precision detector and a computer. The measurement method comprises the following steps: the computer is utilized to control the high-precision electric control optical adjusting bed, and control and lock the end surface of the input fiber which is connected with the light source and the end surface of the output fiber which is connected with a power meter within a distance of 100mu m, a solution to be tested is dropped to form a sample pool structure, then multi-wavelength scanning is utilized and a Lorentz model is combined to modify the traditional MIE theory; and a multivariable genetic algorithm is provided to realize real-time on-line measurement. The device has small volume and is convenient to move, the solution to be tested is not required to be subjected to refractive index measurement in advance, an external and independent high-power laser light source is not required, the reflection and scattering of a sample pool are eliminated and the real-time on-line particle measurement can be performed.

The invention discloses a GaAs double-faced thin-film solar cell comprising a cell unit or an array composed of a plurality of cell units. Each cell unit comprises a back electrode layer, a device layer and a grid electrode layer. Each grid electrode comprises a first grid structure, each back electrode comprises a second grid structure, a first antireflection film layer is arranged between the device layer and the back electrode layer, and a second antireflection film layer is arranged between the device layer and the grid electrode layer. Each cell unit is in the shape of a regular hexagon or rectangle. The GaAs double-faced thin-film solar cell has the advantages that double-faced light interception of the GaAs thin-film solar cell is realized, light loss is reduced, and photoelectric conversion efficiency is higher; small-gap and even seamless splicing of regular-hexagonal or rectangular solar cells can be achieved to form the cell array, so that energy density of the solar array in unit area is increased, output power of the solar array in unit area is improved, and production cost is reduced remarkably.

The invention relates to a method for manufacturing a semiconductor device. The method comprises the following steps: providing a semiconductor substrate; forming a front layer on the semiconductor substrate; successively forming a thin oxide layer and a high-etching-rate bottom antireflective coating on the front layer; forming a patterned photoresist layer on the high-etching-rate bottom antireflective coating; according to the patterned photoresist layer, etching the high-etching-rate bottom antireflective coating so as to form an opening exposing the thin oxide layer; removing the patterned photoresist layer; and removing the exposed thin oxide layer. According to the invention, in the manufacture process of the semiconductor device, the high-etching-rate bottom antireflective coating and the thin oxide layer are formed on the substrate, such that the problem of reflection of the substrate when an injection photoetching process is carried out is solved, the problem of damage caused to the front layer and the substrate is avoided, and the performance of the device is improved.

Disclosed is a three-dimensional cross waveguide type medium pool for a serial laser combination in Brillouin amplification, which relates to a medium pool. The invention solves the problem that to suffice the laser incident beam and the emission beam at two directions is difficult, and to adjust the fine cross and overlapping of the two laser beams in the medium pool is also difficult in the prior noncollinear structure medium pool of the serial laser combination. A first subassembly and a second subassembly of the invention are symmetrically arranged at the two ends of a square component (10); a first component (1), a second component (2), a third component (3) and a fourth component (4) are respectively arranged at the four side walls of one end of the square component (10); a fifth component (5), a sixth component (6), a seventh component (7) and a eighth component (8) are respectively arranged at the four side walls of the other end of the square component (10). The medium pool of the invention makes the laser beam to be perpendicular to the injection window when the laser beam is injected into the medium pool, and fulfils a larger cross angle within the limitation of the permitted errors of the wave vector mismatch angle. The medium pool of the invention also simplifies the structure, increases the energy conversion efficiency, and realizes the cross and overlapping of the laser beam in the medium pool with convenient adjusting.

The invention discloses a focal plane array detector of uncooled infrared imaging, which relates to a technical filed of infrared imaging. The detector comprises micro-cantilever units tiled flatly in order; the micro-cantilever unit comprises a thermal deformation structure, an infrared absorption structure and a support beam; the thermal deformation structure has two groups respectively arranged on two sides of the infrared absorption structure and one end of each group of the thermal deformation structure is connected with the support beam while the other end of each group of the thermal deformation structure is connected with the infrared absorption structure; the infrared absorption structure comprises an optical detection plate and an infrared transmission plate which are fixed and connected with each other through a fluke; the thermal deformation structure is connected with the optical detection plate of the infrared absorption structure and is distributed on the same plane with the optical detection plate of the infrared absorption structure. The adoption of the invention solves the problems that silicon substrate in graphic area reflects the infrared as well as facilitates detection sensitivity and absorption rate of incident infrared.

The invention relates to an organic light-emitting display cathode ring anti-reflection structure, a manufacturing method thereof, and a display. The cathode ring anti-reflection structure includes a cathode ring, and a first barrier layer, a second barrier layer, and a first barrier layer sequentially fabricated on the cathode ring. Three barrier layers; the first barrier layer is in direct contact with the surface of the cathode ring, and is fabricated on the cathode ring by evaporation. In the present invention, the color filter layer is manufactured on the cathode ring at the same time in the process of manufacturing the color filter layer in the display area of ​​the organic light-emitting display, and the color filter layer is arranged on the cathode ring in a stacked manner, so that visible light cannot be transmitted. Through the film layer, the purpose of reducing or even eliminating the visible light reflection of the cathode ring is achieved, and the structure does not need to add additional processes and equipment in the production process, which can not only effectively solve the problem of cathode ring reflection, but also will not increase the production cost. The production process Simple and easy.