30results about How to "Graphic accurate" patented technology

A forming method of a semiconductor structure includes the steps: providing a substrate with fins on the surface, wherein the surface of the substrate and the surface of part of sidewalls of the fins are equipped with dielectric layers, and the surfaces of the dielectric layers are lower than the top surfaces of the fins; forming first protective layers on the surfaces of the dielectric layers, the surfaces of the sidewalls of the fins and the surfaces of the bottoms of the fins through a deposition technology, the density of the first protective layers being higher than the density of silicon oxide; forming second protective layers on the surfaces of the first protective layers through an oxidation technology; forming mask layers on the surfaces of the second protective layers, wherein the mask layers enable part of the second protective layers on the surfaces of the fins to be exposed, and the second protective layers are used for isolating the first protective layers from the mask layers; doping ions inside the fin through an ion implantation technology with the mask layers being masks; and removing the mask layers, the second protective layers and the first protective layers after the ion implantation, and exposing the surfaces of the dielectric layers, and part of the sidewalls and the bottom surfaces of the fins. A semiconductor structure formed through the method has a good shape, and has an accurate and uniform critical dimension.

The invention provides a thermal power material coding platform, which establishes a system standard database, establishes material standard information, and assists in material information processinginvolved in each link of design and construction procurement. The material data is classified, and the classification structure of the material is built by hierarchical tree structure, which is convenient for the rapid search and rationalization of the material classification; a material template is established and data is defined according to standard database; the unified customization and management of material characteristics is realized; the unified management and adjustment of the attribute information of the materials to which the template belongs is realized, and the export function of the materials template is provided; the filling of the new material information is provided, the coding of the newly filled material and the existing material is realized, and the off-line editing,off-line editing, uploading and submitting of the material code is realized through the export function of the material template; the unification of description and coding of materials and engineeringconstruction materials is achieved; the scientificity, rationality and practicability of the material coding are enhanced.

The invention discloses a concrete retarder, as well as a preparation method and application thereof. The concrete retarder comprises the following components: a retarding main body, a main solvent, an emulsifier, a drying catalyst and a thickening agent, wherein the retarding main body is a mixture of a C5 resin and methyl abietate; the main solvent is at least one of dimethylbenzene, dichloroethylene, trichloroethylene and glycol ethylene ether. The methyl abietate is decomposed into an abietic acid in water, a calcium ion is induced by the abietic acid to exist in a free state, and the coagulation time of alkaline concrete is further prolonged to achieve a retarding effect. Only the methyl abietate at a position contacting with the concrete is reacted with water in the concrete for decomposition, and in addition, the C5 resin is mixed with the methyl abietate to serve as a carrier of the methyl abietate, so that the flowability of the methyl abietate is further reduced, meanwhile, the uniformity of the methyl abietate in the concrete retarder is improved, and the concrete retarder can be further used for a specific position of the concrete to prolong the coagulation time or form the exposed aggregate surface of the concrete.

The invention provides an intelligent diagnosis method for field electricity information acquisition equipment. The intelligent diagnosis method comprises the following steps: alternating current sampling port diagnosis, remote signaling port diagnosis, pulse port diagnosis and local communication interface diagnosis. According to the intelligent diagnosis method for the field electricity information acquisition equipment provided by the invention, the acquisition equipment is diagnosed on an electric scene; and an alternating current sampling port, a remote signaling port, a pulse port and a communication port of the acquisition equipment are respectively detected, so that the working state and the equipment state of the acquisition equipment are determined; and the usability of a field electricity information acquisition system is evaluated.

The invention discloses a linear light source irradiance distribution simulation method and a linear light source irradiance distribution simulation system. The method includes the following steps: setting the number, radiant power, radiation length and position coordinates of linear light sources; choosing a mathematical model according to actual requirement, and then working out irradiance distribution data according to a corresponding linear light source irradiance formula; and drawing and displaying an irradiance distribution graph. The system comprises a linear light source data setting module, a sample data setting module, a data processing and analysis module and a drawing and display module. The method and the system avoid the high cost, complexity and danger of the actual measurement method for the irradiance research, visually work out the needed graph and data, are highly efficient and convenient, and can be widely applied in light source experiments and research as a linear light source irradiance distribution simulation method and a linear light source irradiance distribution simulation system.

The invention provides a touch screen and a method for forming same. The touch screen herein comprises a glass sensor, wherein forming the glass sensor includes the following steps: providing a transparent substrate; forming a transparent conductive layer on the transparent substrate; forming a basic decorative layer within a non-window area of the touch screen, at least one part of the basic decorative layer covering the transparent conductive layer, and the at least one part of the basic decorative layer which covers the transparent conductive layer including a through-hole; forming a conductive printing ink layer which fills the through-hole; forming a silver paste conductive layer on the basic decorative layer, at least one part of the silver paste conductive layer covering a top surface of the conductive printing ink layer, the silver paste conductive layer including a plurality of silver paste PINs and a plurality of silver paste routings, in which the plurality of silver paste PINs are formed through a silk screen technology and the plurality of silver paste routings are formed through silver paste blocks first being subject to the silk screen technology and then being subject to the dry etching silver paste line technology. Of the invention, the silver paste conductive layer is prepared through the dry etching technology, which has the advantages of accurate graphics and high process rate.

The invention discloses a method for preparing an OLED anode through nanoimprint lithography. Anode pixel points are prepared through the steps of silicon substrate cleaning, nanoimprint lithography and transfer printing, anode layer preparation, stripping and the like, and nanoimprint lithography can directly and mechanically form a nanograph on ultraviolet curing glue on the premise that electrons and photons are not used, therefore, a diffraction phenomenon and a scattering phenomenon in optical exposure are solved, and a high-resolution micro OLED display can be prepared on a large-area size. The quartz template adopted for imprinting can be repeatedly used, an accurate pattern is obtained with low cost and a simple process, the preparation cost of the OLED anode can be reduced, and the yield is improved.

The invention provides a plotter for mathematic teaching, and relates to a spiral line drawing device. A transverse slide way arranged longitudinally is arranged in the center of the upper side of a base. A movable frame is vertically disposed on the base. The lower edge of a convex edge of the movable frame is connected with a rack below the base. The vertical edge of a triangular support is supported on the rear side of the movable frame. The lower end of a lead angle guide rod is hinged to the right-angle position of the movable frame. The upper end of the lead angle guide rod is fixed to an arc-shaped through groove through a lead angle adjusting bolt. A longitudinal slide way which is through in the forward-backward direction is arranged on the lead angle guide rod, and a line drawing pen is matched with the slide way. A slider is arranged on the portion, on the rear side of the line drawing pen, on the base. A vertical slide groove is formed in the vertical edge of the triangular support, and the slider is matched with the vertical slide groove in a sliding mode. A motor is fixed below the base, a gear is installed on a motor rotary shaft, and the gear is engaged with the rack. The plotter solves the problems that spiral graphs in mathematic teaching are not standard, students can not participate in the circular helix drawing process, and the teaching effect is not ideal.

The invention discloses an L wave band device 50 ohms impedance coupling method, and relates to the L wave band device coupling circuit technical field; the method comprises the following steps: using a ceramic substrate with the dielectric constant at 30-50 as the substrate material in the packaging housing of the L wave band device; using a T-type network to cancel the chip imaginary part impedance; improving the real part impedance up to 5-8 ohms; using a multi-branch impedance coupling network to couple to 50 ohms, thus realizing device impedance coupling. The method uses the ceramic substrate with high dielectric constant to prepare the multi-branch coupling circuit, uses impedance coupling to transform and lift the device input / output impedance up to 50 ohms, thus greatly reducing the coupling circuit size in the device.

The invention is about the ultrasonic die of the stone bone ash box and the ultrasonic graving method. The figure of the sonic die is made up of the two or more sub dies which form the round tank type die or flat shape die. It can grave the figure of the size above 60-80 square centimeters; the figure can keep the character of the original works; the efficient of the sculpture is high and the cost is little, so it can be proper to the common people.

The invention relates to the technical field of wafer photoetching, and in particular relates to a wafer photoetching device. The photoetching device adopted by the technology comprises a fixing frame, a substrate, a horizontal adjustment device, a fixing support, a rotation device, a vacuum suction cup, a vacuum generator, three adjustable springs and a sensing device, wherein the substrate is positioned at the upper part of the fixing frame; the horizontal adjustment device is fixed in the fixing frame; the fixing support is installed on the substrate; the rotation device is installed on thefixing support; the vacuum suction cup is positioned on the rotation device; the vacuum generator is positioned at the lower right side of the vacuum suction cup, and the vacuum generator communicates with the vacuum suction cup; the three adjustable springs are arranged to have included angles of 120 degrees therebetween, and the adjustable springs are positioned between the substrate and the fixing frame; the sensing device is positioned on the fixing frame. According to the device, the situation that the wafer is horizontally fixed on the vacuum suction cup can be effectively ensured, andthus the uniform thickness of glue coated on the surface of the wafer is ensured.

The invention relates to a motor vehicle comprising a device for illuminating the surroundings for generating a light distribution (LV, LV) on the ground in the surroundings of the motor vehicle (1),wherein the surroundings illumination device has a projection module (7) which comprises a lighting means (10) with a plurality of light sources (10a, 10b) and an array (11) made from projection optics, wherein each projection optic comprises an object structure (13) and an associated projection lens (14) so that the object structures (13) are projected on the ground via the associated projectionlenses (14) during illumination of the array (11) using the lighting means (10) and the light distribution (LV, LV) is generated in this way. The array (11) made from projection optics comprises multiple subarrays (11a, 11b) which can be illuminated separately using at least one of the light sources (10a, 10b) of the lighting means (10) assigned to the respective subarray (11a, 11b). Furthermore,the array (11) has at least two different types of subarrays (11a, 11b) which generate different projections on the ground during illumination using the at least one assigned light source (10a, 10b).A first number of subarrays (11a) and a second number of subarrays (11b) are thereby provided which can be controlled in such a way that when the surroundings illumination device is switched on, exclusively the first number of sub arrays (11a) can be activated by switching on the assigned light source / s (10a) or exclusively the second number of subarrays (11b) can be activated by switching on theassigned light source / s (10b). The first number of subarrays (11a) is configured in such a way that by activating the same, a light pattern (LV) is generated on the ground, and the second number of subarrays (11b) is configured in such a way that by activating the same, a homogeneous light distribution (LV) is generated on the ground.

The invention provides a plotter for mathematic teaching, and relates to a spiral line drawing device. A transverse slide way arranged longitudinally is arranged in the center of the upper side of a base. A movable frame is vertically disposed on the base. The lower edge of a convex edge of the movable frame is connected with a rack below the base. The vertical edge of a triangular support is supported on the rear side of the movable frame. The lower end of a lead angle guide rod is hinged to the right-angle position of the movable frame. The upper end of the lead angle guide rod is fixed to an arc-shaped through groove through a lead angle adjusting bolt. A longitudinal slide way which is through in the forward-backward direction is arranged on the lead angle guide rod, and a line drawing pen is matched with the slide way. A slider is arranged on the portion, on the rear side of the line drawing pen, on the base. A vertical slide groove is formed in the vertical edge of the triangular support, and the slider is matched with the vertical slide groove in a sliding mode. A motor is fixed below the base, a gear is installed on a motor rotary shaft, and the gear is engaged with the rack. The plotter solves the problems that spiral graphs in mathematic teaching are not standard, students can not participate in the circular helix drawing process, and the teaching effect is not ideal.

The invention provides a manufacturing process of an embedded radar antenna PCB. The manufacturing process sequentially comprises the steps: A, preliminary pattern electroplating; B, dry film removing; and C, embedded antenna manufacturing. According to a traditional millimeter wave radar antenna circuit board, an antenna pattern is obtained through outer-layer pattern transfer, pattern electroplating and outer-layer wet etching. The radar antenna circuit board is manufactured through a non-etching method; an antenna is directly electroplated on a copper-foil-loaded substrate through pattern electroplating; and then, the antenna is embedded into a PCB through lamination. The process has the advantages of accurate pattern, zero line width and line gap tolerance and zero undercut; and sincethe antenna is embedded in the PCB, dents and copper nodules caused by scratching and pollution in the outer layer machining process are avoided, and the performance and the yield of the PCB are improved.

The invention relates to the technical field of a motor for a drawing machine, in particular to a collection motor for a drawing machine. The collection motor comprises a collection rod and an installing plate, wherein the collection rod is connected with a worm gear speed reducer through the installing plate, and the worm gear speed reducer is connected with a servo motor. By adopting the servo motor with speed reduction, the invention lowers the power of the collection motor and the noise; according to the servo control, the invention enables the collection to be more accurate and the transmission to be more stable; and the worm gear has a reverse self-locking function, so that the drawn pattern is more accurate and can be controlled more easily.

The invention discloses an automobile color screen display combination instrument. The instrument comprises a liquid crystal panel, a color screen display panel, light emitting diodes, a light barrier and an electronic element board, wherein the liquid crystal panel, the color screen display panel, the light barrier and the electronic element board are screwed and fixedly arranged in an instrument shell from top to bottom in sequence; the multiple light emitting diodes are fixedly arranged on the electronic element board, are matched with the light barrier and correspond to the color screen display panel and the liquid crystal panel; the color screen display panel is symmetrically arranged on the lower side of the liquid crystal panel and corresponds to a dial arranged on the color screen display panel; the instrument shell is detachably provided with an upper cover plate and a rear cover plate. According to the automobile color screen display combination instrument, the liquid crystal panel, the color screen display panel and the light emitting diodes are matched; the LED light source and photo-polymerization and alignment of the light barrier are fully utilized, so data, graph and symbol display on the liquid crystal panel is more accurate, the display effect is more intuitive, and the production cost of the instrument is greatly reduced and is only one tenth that of a full liquid crystal display instrument; the instrument can be widely applied to various vehicles.

The invention discloses an L wave band device 50 ohms impedance coupling method, and relates to the L wave band device coupling circuit technical field; the method comprises the following steps: using a ceramic substrate with the dielectric constant at 30-50 as the substrate material in the packaging housing of the L wave band device; using a T-type network to cancel the chip imaginary part impedance; improving the real part impedance up to 5-8 ohms; using a multi-branch impedance coupling network to couple to 50 ohms, thus realizing device impedance coupling. The method uses the ceramic substrate with high dielectric constant to prepare the multi-branch coupling circuit, uses impedance coupling to transform and lift the device input / output impedance up to 50 ohms, thus greatly reducing the coupling circuit size in the device.

The invention provides an electricity consumption information acquisition device data transmission performance analysis system. The system comprises a concentrator local monitoring unit, an intelligent ammeter local monitoring unit, a sequential management unit, a protocol analysis unit, a data storage unit, a flow management unit, a result determination unit, an input and output unit and CPU; and the protocol analysis unit, the data storage unit, the flow management unit, the result determination unit and the input and output unit are in bidirectional connection with the CPU respectively, and the CPU is in unidirectional connection with the sequential management unit. The working effect of a local communication module is evaluated through monitoring of the working state of the local communication channel of an electricity consumption information device, monitoring of the communication state among the electricity consumption information device, an intelligent ammeter and its local communication module, and acquisition, statistics and analysis of local communication stream in order to assess the transmission performance of data communication among composition parts of the system.

The invention discloses a helix type mathematics teaching demonstration device and relates to mathematics teaching demonstration devices. A slide way which is longitudinally arranged is located in the center of the upper surface of a base; a protruding edge is arranged at the bottom side of a transverse movement plate, and the lower portion of the protruding edge is connected with a rack which is arranged below the base; the bottom edge of a triangular support is fixedly connected with the strip-shaped surface at the back side of the base, and the vertical edge of the triangular support props up the back side of the transverse movement plate; two or more helix lead angle guide slide ways which are different in inclination angle are arranged on the transverse movement plate, and a drawing pen is matched with a certain helix lead angle guide slide way; a slide block located at the position, behind the drawing pen, of the base is in sliding fit with a vertical sliding groove formed in the vertical edge of the triangular support; a gear is installed below a round structure at the front side of the base, and the gear is meshed with the rack; the upper end of a revolving shaft of the gear is connected with a prism on the surface of the base, and a hole matched with the prism is formed in the center of the bottom of a conical model; a telescopic rod is arranged on the front portion of the drawing pen. By means of the device, the problems that helix graphs on the conical surface are not standard at all, and the teaching effect is still not satisfying are solved.

The invention discloses a method for preparing an anode of a silicon-based OLED (Organic Light Emitting Diode) micro display by using a mask plate technology. The method comprises the following steps: punching a 12-inch quartz glass wafer by using an NDL (Non-Dispersive Laser) technology with the standards of the through hole dimension of 3*9 microns and the thickness of 40-50 microns, adhering the through hole glass wafer to the 12-inch silicon wafer to serve as a mask, and performing magnetron sputtering of metal to obtain anode pixel points with accurate patterns. According to the technology, a transparent glass mask plate with through holes is used for replacing a traditional photoetching mask plate to prepare anode pixel points, alignment of the mask plate and a silicon wafer is facilitated, etching controllability of glass is good, and introduction of a liquid environment is avoided in the anode preparation process; the metal work function and the hole injection capability are prevented from being influenced by anode metal surface corrosion, and the anode metal selectivity is improved.

A method for forming a semiconductor structure comprises the following steps: S101, providing a semiconductor substrate; S102, forming a first dielectric layer on the surface of the semiconductor substrate by use of a first deposition process; S103, performing surface treatment on the surface of the first dielectric layer to remove a convex part on the surface of the first dielectric layer after the first deposition process; and S104, forming a second dielectric layer on the surface of the semiconductor substrate by use of a second deposition process after the surface treatment process, wherein the rate of the second deposition process is lower than that of the first deposition process. A semiconductor structure formed by the method has good quality.

The invention discloses a semiconductor structure and a forming method thereof. The method comprises the steps of providing a to-be-etched layer; forming an initial sacrificial layer on the to-be-etched layer; performing a modification treatment process on the side wall of the initial sacrificial layer, and forming a transition layer on the side wall of the initial sacrificial layer; and removing the transition layer to form a sacrificial layer. According to the forming method, the side wall roughness of the sacrificial layer is reduced.

A method for forming a semiconductor structure, comprising: providing a substrate with fins on the surface, a dielectric layer on the surface of the substrate and part of the sidewall surfaces of the fins, the surface of the dielectric layer is lower than the top surface of the fins; A first protective layer is formed on the surface of the layer, the sidewall and the bottom surface of the fin, and the density of the first protective layer is greater than that of silicon oxide; an oxidation process is used to form a second protective layer on the surface of the first protective layer; on the surface of the second protective layer Forming a mask layer, the mask layer exposes part of the second protective layer on the surface of the fin portion, and the second protective layer is used to isolate the first protective layer and the mask layer; using the mask layer as a mask, ion implantation process is used on the fin Ion doping inside the part; after the ion implantation process, the mask layer, the second protection layer and the first protection layer are removed, and the surface of the dielectric layer, and part of the sidewall and bottom surface of the fin are exposed. The formed semiconductor structure has good morphology and precise and uniform feature size.

The invention discloses a method for preparing OLED anodes by nanoimprinting. The anode pixels are prepared by cleaning the silicon substrate, nanoimprinting and transfer printing, preparing the anode layer, and peeling off. Nanoimprinting can be carried out without using electrons and photons. Next, directly mechanically form nano-patterns on the UV-curable adhesive, thus solving the diffraction and scattering phenomena in optical exposure, so that high-resolution micro-OLED displays can be prepared on a large area size. The quartz template used in the embossing can be reused to obtain accurate graphics at a lower cost and a simple process, which can reduce the preparation cost of the OLED anode and increase the yield.

The invention provides a wafer processing method. A first surface of a bearing substrate is provided with a positioning mark. A substrate to be processed has a first surface and a second surface opposed to the first surface. The substrate to be processed has a device zone and an edge zone surrounding the device zone. The method comprises the following steps of bonding the first surface of the bearing substrate and the first surface of the substrate to be processed, wherein, the positioning mark is located in the edge zone of the substrate to be processed; applying trimming technologies on the substrate to be processed to make the radius of the substrate to be processed smaller and completely expose the positioning mark on the first surface of the bearing substrate; forming a mask layer on the second surface of the substrate to be processed through positioning of the positioning mark, wherein an opening exposing a part of the second surface of the substrate to be processed is arranged inside the mask layer; etching the substrate to be processed on the bottom of the opening with the mask layer as a mask until the first surface of the bearing substrate is exposed; and forming a through hole in the substrate to be processed. By means of the wafer processing method, silicon through hole forming technologies are simplified.

The invention discloses a screen cloth processing method suitable for net-knot-free SE. The screen cloth processing method is used for high-precision screen cloth processing of the net-knot-free SE, comprises a plurality of procedures of screen printing plate positioning, positioning and registering, parameter setting and laser removing, is used for the high-precision screen cloth processing of the net-knot-free SE, and is used for quickly describing a screen cloth pattern of a fine grid setting position through scanning equipment, steel wires are removed through laser equipment, and the scanning process and the laser processing process are conducted at the same time. The method has the advantages of being simple in procedure, high in yield, free of broken steel wires after processing andaccurate in graph.

The invention discloses a preparation method of a micro-nano corrugated structure. The preparation method comprises the following steps of: (1) adding electrostatic spinning macromolecular solution into a syringe of a syringe pump, and fully filling the solution into a metal nozzle connected with the anode of a high pressure generator; (2) placing a metal cathode collecting plate connected with the ground electrode of the high pressure generator below the metal nozzle of the syringe, placing a flexible base material on the collecting plate, controlling the macromolecular solution to flow out at certain velocity, and electrifying the macromolecular solution to form jet flow; and (3) moving the metal collecting plate so that the jet flow falls on the flexible base material, namely the corrugated structure is formed on the whole base material. The invention also discloses the micro-nano corrugated structure prepared by using the method, a device for implementing the method and application of the method. When the elastic rubber base material stretches, the formed nano fiber graph can produce great deformation together with the elastic rubber base material and does not break, so that effective interconnection and stretching of flexible electrons are realized, and the invention has broad application prospect on the aspects of electronic skin, artificial muscles, bioelectronics and the like.

The invention provides a fireworks display device, which comprises a plurality of firework launch tubes, a launch tube angle fixing assembly and a bracket; the firework launch tube is a tube for setting fireworks products inside; the launch tube angle fixing assembly It includes a first board, a second board and a bottom board that are parallel to each other and are inclined relative to the horizontal plane and are arranged in sequence from top to bottom. The first board and the second board are each opened with a plurality of firework launchers. The through hole of the tube, and the contact end of the inserted firework launch tube can be in contact with the base plate. After a plurality of firework launch tubes are inserted into the launch tube angle fixing assembly, the pattern formed by the free end that is not in contact with the base plate is opposite. The pattern formed on its contact end is a similar pattern enlarged in size. The device provided by the invention has the advantages of safe discharge, accurate graphics, simple device and low cost. In particular, the device has the function of precise orientation of fireworks discharge, and the effect after discharge is highly consistent with the expected pattern.

The invention discloses a semiconductor structure and a forming method thereof, and the forming method comprises the steps: providing a to-be-etched layer, and enabling the surface of the to-be-etchedlayer to be provided with a liner layer; forming a plurality of mutually separated first mask structures on the surface of the liner layer; taking the first mask structure as a mask, etching the to-be-etched layer and the liner layer, forming a groove in the to-be-etched layer, and enabling the first mask structure to form a first initial to-be-removed layer; performing a modification treatment process on the first initial to-be-removed layer to form a first to-be-removed layer; and etching to remove the liner layer and the first to-be-removed layer. The semiconductor structure formed by themethod is good in performance.