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138 results about "Structural pattern" patented technology

In software engineering, structural design patterns are design patterns that ease the design by identifying a simple way to realize relationships among entities.

Bituminous pavement structural analysis and increment method based on modulus stress and strain dependence model of pavement materials

The invention relates to a bituminous pavement structural analysis and increment method based on a modulus stress and strain dependence model of pavement materials. The method includes the steps of according to the structural pattern and material type of a bituminous pavement in a simulation analysis, determining the thickness and Poisson's ratio of each layer and the modulus stress and strain dependence model of the pavement materials, adopting the modulus stress and strain dependence model of the pavement materials to represent the modulus of each layer of a bituminous pavement structure, combining calculation load with interlayer combination conditions to create a calculation analysis system, using an increment method as an analysis basis, obtaining a modulus matrix of each point of theinteriors of pavement structural layers through finite element software numerical calculation, and based on the steps above, calculating the stress, strain and displacement of an arbitrary point in the bituminous pavement structure according to an elastic layered system theory. According to the method, influences caused by non-linear problems of materials on pavement mechanical calculation are taken into account to make the force analysis of the bituminous pavement structure more reasonable and complete.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Bayesian network-based internetware dependability evaluation model

The invention discloses a Bayesian network-based internetware dependability evaluation model. By aiming at the structural complexity of the internetware and the dynamic characteristics of a system, and researching the system structure of the internetware by using a theory of a software architecture, a structural pattern-based internetware dependability evaluation method is put forward; an architecture model and a semantic structure model of the internetware are established, and structural and semantic analyses are performed on the internetware from top to bottom; a structural pattern-based conditional probability matrix and the Bayesian network are established, a calculating method of system dependability and structure dependability evaluation indexes is put forward, and the dependability of the overall system is calculated from bottom to top according to the dependability of each entity; and the operational characteristics of the system are comprehensively evaluated by using the Bayesian network to perform integration so as to perfect the dependability evaluation system of the internetware. Practices prove that an internetware dependability evaluation method of the invention is reliable, has systematicness and completeness, and can be used in the fields of software dependability techniques and software evaluation techniques.
Owner:NANKAI UNIV

Long laminated sub-wave reflection-reducing structure and preparation method thereof

The invention discloses a long laminated sub-wave reflection-reducing structure comprising a long sub-wave pattern and a medium layer, wherein the long sub-wave pattern is formed by etching the surface of a material with high refractive index required to reduce the reflection; the medium layer is formed by growing on the surface of the long sub-wave pattern by sediment; the long sub-wave pattern and the medium layer form a long laminated sub-wave structure; and the structural pattern is obtained according to the distribution of the refractive index of the used material and the wavelength and the angle range of incident light required to reduce the reflection. The long sub-wave reflection-reducing structure is applied to an active photoconducting device with high refractive index surface and can really and effectively achieve the transmission effect of a broadband wide angle. Compared with the prior art, the invention can effectively passivate the long laminated sub-wave reflection-reducing structure, reduce non-radiation recombination centers, inhibit the on-radiation recombination loss and effectively increase the corresponding performance of the photoconducting device; in addition, based on the sequential change of the refractive indexes of air, medium materials and substrate materials, by adopting the long laminated sub-wave reflection-reducing structure, the preparation difficulty can be weaken or better reflection-reducing performance can be obtained under the same condition.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Structure and method for constructing multilayer heterogeneous gob-side entry retaining filling wall

A structure and method for constructing a multilayer heterogeneous gob-side entry retaining filling wall optimizes structural patterns and materials of the gob-side entry retaining filling wall, divides a wall body into an upper layer, a middle layer and a lower layer or a plurality of layers, forms a hard-soft-hard structure from top to bottom. The height of the middle layer and the upper layer is generally 5%-25% of the mining height, the upper layer of the wall body is generally filling materials, and the upper layer of the wall body is mainly fracture rotation and subside enabling an old top to keep complete, and impulse load of the top plate is transmitted to the middle layer of the wall body. The middle filling material can be materials such as polyester chemical materials and polypropylene fiber concrete with toughness and is mainly used for buffering and absorbing deformation and impact energy caused by fracture rotation of the old top. The lower layer is a bearing layer and is generally materials such as reinforced concrete with big compressive strength, and the lower layer is mainly used for providing certain supporting force for pressure of the old top. A strengthening reinforcing steel bar is distributed at the layering connection position, and damage of carrying capacity of the wall body caused by relative sliding between layers is avoided.
Owner:CHINA UNIV OF MINING & TECH

Novel caterpillar section numerical control boring and drilling all-in-one machine

The invention discloses a novel caterpillar section numerical control boring and drilling all-in-one machine which comprises a bed and a numerical control boring and drilling device. The numerical control boring and drilling device comprises a work fixture, two boring cutter heads for respectively and correspondingly processing two pin holes of a caterpillar section, and a drill bit for processing two bolt holes of the caterpillar section; the two boring cutter heads are provided with numerical control double-head power devices in a matching manner; and the drill bit is provided with a numerical control drill bit power device. Therefore, the novel caterpillar section numerical control boring and drilling all-in-one machine integrates the boring cutter heads and the drill bit and overcomes a conventional boring machine and drilling machine split structural pattern; a caterpillar section body can be clamped in one step by the work fixture; multiple processes such as heavy boring, semi-fine boring and drilling are completed by numerical control; the novel caterpillar section numerical control boring and drilling all-in-one machine overcomes the defects of fussy processes, high labor consumption, low processing efficiency, high cost, large clamping accumulated error, poor quality and the like which are caused by the case that the caterpillar section body needs to be clamped again in each process of the conventional boring machine and drilling machine, so that the caterpillar section body is repeatedly clamped; and compared with the prior art, the novel caterpillar section numerical control boring and drilling all-in-one machine has the advantages of high integration degree, high processing efficiency, low cost, high processing quality, novel and reasonable structure and strong practicality.
Owner:泉州市华盛机械设备有限公司

Acceleration sensor and manufacturing method thereof

The invention provides an acceleration sensor and a manufacturing method thereof. The manufacturing method comprises the following steps: etching a first cavity for providing a space to a z-axis acceleration sensitive capacitor on a monocrystalline silicon substrate; generating a silicon oxide layer on the monocrystalline silicon substrate etched with the cavity; covering the monocrystalline silicon substrate with a monocrystalline silicon base plate by adopting a silicon-silicon bonding manner after the silicon oxide layer is generated, and thinning to form a sensing device layer; forming a sensing capacitor containing the z-axis acceleration sensing capacitor by using the sensing device layer; generating a silicon oxide film on the sensing device layer, corroding the silicon oxide film except the silicon oxide film at a cantilever beam in the z-axis acceleration sensing capacitor structure; depositing a metal electrode connected with each sensing capacitor on the sensing device layer; and etching the sensing device layer disposed on a corresponding cavity according to a preset structural pattern containing the vertical axial acceleration sensing capacitor. By adopting the acceleration sensor and the manufacturing method thereof, the problem that the z-axis acceleration sensor is low in sensitivity is solved.
Owner:华景传感科技(无锡)有限公司

Production method of plane continuous diffraction condensing lens

The invention discloses a method for preparing a plane continuous diffractive focus lens, which comprises steps of manufacturing a mask of the plane continuous diffractive focus lens and utilizing a method of reactive ion beam etching to continuously transferring micro-structural patterns. The method utilizes the laser directing writing technique to carry out positional quantitative exposure to photoresist on the surface of a photoresist plate, after development, a continuous diffractive micro-structure is formed on the photoresist layer, then the mask is formed via heating and the like, and further the method utilizes the method of reactive ion beam etching to transfer the micro-structure on the surface of the mask to the surface of a substrate, thereby forming the plane continuous diffractive focus lens. The method has the advantages of high manufacturing precision, short manufacturing period, simple manufacturing process, low manufacturing cost and the like, and is suitable for manufacturing the lightweight and high-performance plane continuous diffractive focus lens. Compared with other manufacturing methods, the laser directing writing is the most advanced method, which can meet the manufacturing requirements of high-precision and high-performance continuous diffractive elements.
Owner:NO 510 INST THE FIFTH RES INST OFCHINA AEROSPAE SCI & TECH

Capacitive touch screen having single-layer bridge-striding structure

The invention relates to a capacitive touch screen having a single-layer bridge-striding structure, excellent waterproof property and strong anti-jamming capability. The capacitive touch screen comprises a transparent insulating medium and an indium tin oxide coating film layer formed on one surface of the transparent insulating medium, wherein the indium tin oxide coating film layer is etched; a plurality of driving electrodes and induction electrodes which are complementary with the shape of the driving electrodes, but are insulated from each other and are free from electric connection are arranged; the induction electrodes and the driving electrodes are alternately arrayed in rows; the induction electrodes have cross-shaped structural patterns; the induction electrodes in the same row are connected through a bridge-striding metal wire so as to form row induction electrodes; the driving electrodes have the structural patterns which are complementary with the shape of the cross-shaped structural patterns of the induction electrodes; and the driving electrodes in the same rowline are directly connected so as to form row line driving electrodes. When the touch is detected, the position of the touch is confirmed according to the change in inductive capacitance formed between the driving electrodes and the induction electrodes before and after the touch detection.
Owner:CHIPONE TECH BEIJINGCO LTD

Micromechanical structure and integrated circuit monolithic integrated processing method

The invention relates to a micromechanical structure and integrated circuit monolithic integrated processing method which comprises the following steps of dividing the device layer of the substrate of an SOI (silicon on insulator) into an integrated circuit region, an MEMS structural region and an isolation region; processing an integrated circuit in the integrated circuit region and arranging an electrode striding the isolation region; sequentially removing a substrate layer and an oxide buried layer corresponding to the MEMS (electronic mechanical system) structural region and the isolation region in positions from one side of the substrate layer of the SOI substrate, so as to form a carinal cavity; and removing single crystal silicon on the device layer at the isolation region from one side of the carinal cavity, so as to accomplish the processing to an isolation groove; photoengraving the surface of the SOI substrate, defining an MEMS structural pattern, and carrying out mechanical erosion on a dielectric layer on the MEMS structural region so as to obtain the mask of the MEMS structure; and performing silicone anisotropy mechanical erosion on the device layer according to the mask of the MEMS structure until the device layer is penetrated through, so as to accomplish the processing to the MEMS structure. The method meets the precondition of foundry factory production of integrated circuits, has low difficulty in process difficulty and higher quality of the finished product.
Owner:PEKING UNIV
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