88results about How to "Improve high-speed performance" patented technology

(Problem) It is to provide a stripper having excellent ability to suppress corrosion or damage to the copper wiring or the low-k film, and having excellent photoresist residue removability after ashing. (Solution) The invention provides a photoresist stripper composition characterized in containing salts of at least two different inorganic acids, surfactants and a corrosion inhibitor for metal, and having a pH in the range of 3-10; and a process for preparation of semiconductor devices characterized in that the photoresist residues generated during the preparation of semiconductor devices which employs copper or a copper-dominant alloy as the material for wiring is stripped using said photoresist stripper.

An electrical connector having a plurality of connector units each having a pair of columns of edge coupled differential signal pairs separated by a ground shield terminal. The ground shield terminals each face a different signal pair of terminals in an adjacent column. Notwithstanding the different size and configurations of the ground and signal terminals, the terminals have mounting tail portions that are disposed in a uniform array different from the arrangement of the body portions of the terminals of the connector unit. The mounting tail portions are of a reduced length which benefit the electrical performance of the connector where it meets its supporting circuit board.

The invention discloses a multi-scale license plate precise locating method based on affine correction. Firstly, candidate license plate plaques are detected by using texture information and color features of license plates, then affine correction is carried out on each candidate license plate, an energy function is defined to accurately locate the positions of the license plates, noise is removed, and the positions of license plates in original images are obtained through back calculation. According to the multi-scale license plate precise locating method based on the affine correction, the license plates can be accurately located from multi-scale images in a complex environment, high robustness, accuracy and high-speed performance are achieved, and the omission rate of the license plates is close to zero. The affine correction is uniquely introduced, the license plate locating problem brought by view angles of the images is well solved, and a basis is established for the accurate locating of the license plates. Meanwhile, the energy function is originally defined to evaluate and accurately locate the license plates, more deep information beneficial to the locating of the license plates is used in the method, and the locating of the license plates is made to be more accurate, more stable and more reliable.

According to one embodiment, a mobile communication system includes base stations each forming a wireless zone for wirelessly accommodating mobile terminals, and a control device accommodating the base stations. The control device includes a construction module, a prediction module and an instruction module. The construction module constructs a database regarding a history of handovers by the mobile terminals. The prediction module predicts a base station of the next connection destination of a mobile terminal being in communication and timing of a handover to the base station of the next connection destination on the basis of the database. The instruction module instructs the handover to the predicted base station to the mobile terminal being in communication before the timing comes.

The object is to provide an injection molding machine driving device capable of generating a large thrust and of continuous drive with a short cycle. It comprises a casing body (11), a cylindrical linear motor (14) provided with a mover (12) disposed in the casing body (11) for advance and retraction and a stator (13) attached to the casing body (11), the linear motor (14) constituting a first drive section, a driven body (15) advanced and retracted together with the mover (12), and a second drive section attached to the casing body (11) and disposed so as to axially overlap the linear motor (14) at least partially. A slight axial increase in the radial dimension makes it possible to sufficiently increase the area of a permanent magnet (23) for the mover (12), thus increasing the capacity of the linear motor (14).

The invention discloses a high-speed concurrent access method for power system large data files across a platform, which is characterized in that a cache management system capable of carrying out the unified management on all data files when a system runs and is responsible for interaction with actual disk files is set; the data files are processed in a memory-mapped file mode; the cache management system concurrently maps each portion of the data files to the minor address space in a data-processing service process one by one by using a method that the data files are divided into fixed block memory-mapped files; and the cache management system sets a high-speed buffer area which does not re-load loaded data accessing once more, thereby enhancing the efficiency and the speed of access. The high-speed concurrent access method of the power system large data files across the platform can meet the convenience, the rapidity and the reliability of an application program to the concurrent access of the large data files through the interaction of the common cache management system and the actual disk files.

A fixing device according to an embodiment of the present invention includes a microcomputer that exclusively performs temperature control for the fixing device. The microcomputer periodically calculates electric power that can be supplied to the fixing device. The microcomputer detects the temperature of the fixing device and the temperature in a printer unit and feedback-controls electric power supplied to the fixing device.

The invention relates an IPSec VPN (Internet Protocol Security Virtual Private Network) realizing system and method based on a NetFPGA (Net Field Programmable Gate Array), wherein a control layer of a router is additively provided with an IKE (Internet Key Exchange) module, a security relation database mapping module and a security policy database, and a key management module is used for dynamically managing the key, the security relation and the security policy; and a forward layer is additionally provided with two independently designed IPSec input and output process modules in the originalNetFPGA standard router architecture by sufficiently utilizing the modularization reusable idea of a NetPGA development board. The scheme of the invention can realize the route forward function of the data flow in a hardware manner, and can also realize the great mass of calculation functions required by the IPSecVPN in a hardware manner, such as safe detaching/packing load and completeness authentication; in addition, the invention can effectively make a compromise on the data flow forward performance and the IPSec protocol processing performance.

A receiver optical subassembly for transforming received optical signal into electrical signal includes at least a ceramic substrate, a photo receiver and a transimpedance amplifier. There are high-speed traces formed on the substrate. The positive and negative pads of the photo receiver are coplanar and connected to the traces without wire bonding so as to reduce the parasitic impedance effect and improve the high-speed performance of the optical subassembly. The transimpedance amplifier is electrically connected to the traces via flip chip, wire bonding or other methods. The photo receiver and the transimpedance amplifier are connected via the high-speed traces formed on the substrate.

The invention provides a method and a device for capturing movement based on a framework and a partial interpolation. The method comprises the following steps of: reconstructing a first three-dimensional partial model and a second three-dimensional partial model and extracting a first framework of the first three-dimensional partial model and a second framework of the second three-dimensional partial model; interpolating the first framework and the second framework to obtain an intermediate framework between the first framework and the second framework; solving a deformation distance field between the first thee-dimensional partial model and the second three-dimensional partial model and interpolating a point cloud on the deformation distance field to form a three-dimensional model sequence through which the first three-dimensional partial model is transited to the second three-dimensional partial model; and filtering and reconstructing the point cloud of the three-dimensional model sequence to obtain a finally closed partial three-dimensional model sequence. The method for capturing the movement based on the framework and the partial interpolation of the embodiment of the invention has the advantages of quick capture and high precision. The device has the advantages of high precision and simple structure.

The invention discloses the curve recognition system possible to apply to the recognition of human fingerprints. The main technical points of the invention are as follows. The method of recognizing in local and fraction is utilized to process image information. The important elements of the curve image such as the shape, gradient and the position can be expressed in concise data. The chords sampled in the curve with equal interval express the curve. Thus, curve can be expressed, stored, restored and compared by using few memory capacities. The shape of object can be recognized by the device with the invention being provided. The invention can be used as the personal id instead of keys, locks, checking tickets etc.

The present invention relates to a method of increasing the high-speed performance of a carcass structure in a tyre for vehicle wheels. The method includes: preparing at least one hybrid yarn (13) and assembling a carcass structure (2) comprising at least one carcass ply (3a, 3b) substantially built on cords (12) comprising the hybrid yarn (13). The hybrid yarn (13) comprises a plurality of filaments (14a, 15a) obtained from a first multi-filament yarn (14) of polyester and a second multi-filament yarn (15) having a decay of the modulus with the temperature lower than 20%. Each of the first multi-filament yarn (14) and second multi-filament yarn (15) comprises a plurality of individual filaments (14a, 15a). The individual filaments (14a) of the first multi-filament yarn (14) are at least partly mixed in proportions of at least 50% with the individual filaments (15a) of said second multi-filament yarn (15).

The invention relates to a meridian aircraft tyre, in particular to a meridian aircraft tyre having a folding edge-belted layer structure. The meridian aircraft tyre comprises a belted layer formed bybonding at least one belted layer group. Curtain lines of the bundle layer and a tyre surface form an included angle of 10 DEG to 20 DEG in a circumferential direction, wherein the belted layer groupis formed by bonding three layers or four layers of belt curtain cloth layers. In the same group of belted layer group, both ends of the bottom belt curtain cloth layer are reversed upwards into turned edges; the turned edges cover both ends of other belt curtain cloth layers except the first belt curtain cloth layer in the belted layer group; the ends of the turned edges are respectively connected with both ends of the first belt curtain cloth layer; and connection positions are within the range of the belt curtain cloth layer or a tyre top layer above the first belt curtain cloth layer. Byadopting the meridian aircraft tyre with the belted layer structure, the bundle layer has good stability and can effectively avoid producing a peeled meridian aircraft tyre between the ends of the curtain lines and glue.

The invention discloses a pigeon-flock-imitating intelligent vehicle formation cooperative adaptive cruise control switching method. The method comprises the steps that firstly, each individual vehicle calculates a road congestion degree according to the number of obstacle vehicles within a perceptible range of the individual vehicle, and if the congestion degree delta i calculated by all the individual vehicles is larger than a congestion degree threshold value delta max, a motorcade enters a hierarchical control mode modeh; otherwise, the motorcade enters an equal interaction mode modee; then, in a current state, each individual vehicle i in the motorcade marks a neighbor vehicle j within a distance with relatively low communication delay so as to obtain a neighbor vehicle set, then control input is performed, the control input includes a formation control gain, a target point control gain and a following control gain, and the formation control gain, the target point control gain andthe following control gain are all added into a potential field function so as to maintain a function value within a reasonable range; and finally, safety is judged, each individual vehicle judges whether a direction of a control input vector is within the range of the obstacle angle theta avoi or not by calculating obstacle angles occupied by all obstacle vehicles within the perceptible range, and safety of a driving behavior is predicted.

The invention discloses a full steel radial tire with a separated outer belt ply and zero degree belt ply structure. The radial tire comprises a three belt plies arranged in the middle of the tire crown and one or two zero degree belt plies arranged on two tire shoulders. Three belt plies comprise an internal belt ply, a middle belt ply, and an outer belt ply, which are arranged on the middle of the tire crown in sequence from inner to outer along the radial direction of the tire crown. Two tire shoulders are both provided with one zero degree belt ply or two zero degree belt plies, which arearranged in sequence along the radial direction from inner to outer. The distance between two radial edges of the outer belt ply and the zero degree belt plies of two tire shoulders is greater than 6mm. The tire has the advantages that the tire can be tightly fastened, the deformation of the edges of the outer belt ply is reduced, the shearing of the zero degree belt plies is relieved, the durability and high speed performance of the radial tire are enhanced effectively, and raw materials such as rubber, steel wire, cords, and the like, can be saved.