2222 results about "Width ratio" patented technology

An interbody spacer implant assembly for interbody fusion in a vertebral body and a method of insertion comprises a plurality of links and an elongated connector mechanism adapted to retain the plurality of links and allow the plurality of links to articulate with respect to one another. An interbody spacer implant apparatus for interbody fusion in a vertebral body comprises a plurality of individually articulating links and a connector mechanism adapted to retain the plurality of links and allow the plurality of links to articulate with respect to one another, wherein the connector mechanism is dimensioned and configured to have a length-to-width ratio greater than a length-to-width ratio of each of the plurality of links. The apparatus may further comprise an insertion rod adapted to insert the plurality of links and the connector mechanism into the vertebral body.

A wind generator and turbine blade includes a trailing edge having several serrations, a length of the serrations in each of a plurality of sections of the trailing edge is between approximately 10% and 40% of a mean chord for the corresponding section; and a length to width ratio of each of the serrations is between approximately 1:1 to 4:1.

This invention provides a nano-scaled graphene platelet (NGP) having a thickness no greater than 100 nm and a length-to-width ratio no less than 3 (preferably greater than 10). The NGP with a high length-to-width ratio can be prepared by using a method comprising (a) intercalating a carbon fiber or graphite fiber with an intercalate to form an intercalated fiber; (b) exfoliating the intercalated fiber to obtain an exfoliated fiber comprising graphene sheets or flakes; and (c) separating the graphene sheets or flakes to obtain nano-scaled graphene platelets. The invention also provides a nanocomposite material comprising an NGP with a high length-to-width ratio. Such a nanocomposite can become electrically conductive with a small weight fraction of NGPs. Conductive composites are particularly useful for shielding of sensitive electronic equipment against electromagnetic interference (EMI) or radio frequency interference (RFI), and for electrostatic charge dissipation.

Disclosed is a structure made of a trench patterned substrate having a pre-determined trench period and a pre-determined mesa to trench width ratio, and a block copolymer on top of the trench patterned substrate. The block copolymer has at least an organic block and a silicon-containing block, wherein the block copolymer can have either perpendicular or parallel cylinders. The structure is annealed under a pre-determined vapor pressure for a predetermined annealing time period, wherein the pre-determined trench period, the pre-determined mesa to trench width ratio, the predetermined vapor pressure and the predetermined annealing time period are chosen such that cylinders formed in the block copolymer are either perpendicular or parallel with respect to the trench-patterned substrate. A method is also described to form the above-mentioned structure.

Electronic document design systems and methods allowing a user engaged in customizing an electronic product to re-crop product images in a manner that is compatible with the product layout. Upon selection of an image area in the product design, the user can choose to re-crop the image currently displayed in the image area or to select and crop a different image to be used in the selected image area. A cropping indicator that can be resized and repositioned is provided to the user. The cropping indicator is automatically sized to have and retain the same height to width ratio as the selected image area. Upon completion of any resizing or repositioning operation, the selected image area of the electronic product is updated to reflect the cropping changes made by the user.

The invention discloses a pedestrian identification method under a road traffic environment based on improved YOLOv3. The method comprises the following steps of: S1, acquiring and pre-processing an image, and making a pedestrian sample set; 2, calculating the length-width ratio of the pedestrian candidate frames by using a clustering algorithm and the training set; 3, inputting the training set into the YOLOv3 network for multi-task training and saving the trained weight file; S4, inputting a picture to be recognized into the YOLOv3 network to obtain a multi-scale characteristic map; S5, using a logistic function to activate the x, y, confidence degree and category probability of the network prediction, and obtaining the coordinates, confidence degree and category probability of all prediction frames by judging the threshold value; S6, generating a final target detection frame and a recognition result by carrying out the non-maximum value suppression processing on the above result. The method of the invention solves the problem of low detection accuracy of the prior method, realizes the multi-task training, does not need additional storage space, and is high in detection accuracyand fast in speed.

An acoustic filter comprises a piezoelectric layer, an acoustic resonator structure monolithically disposed on the piezoelectric layer, a lumped capacitive structure monolithically disposed on the piezoelectric layer and being electrically coupled to the acoustic resonator structure. The acoustic resonator structure comprises an arrangement of planar interdigitated resonator fingers, and each of the interdigitated capacitive fingers has an edge that is entirely continuous. No portion of the edge of each of the interdigitated capacitive fingers is parallel to any portions of edges of the interdigitated resonator fingers. Each of the interdigitated capacitive fingers may comprise a plurality of interdigitated capacitive sub-fingers, or each of the interdigitated capacitive fingers may have a length / width ratio of less than two.

The invention discloses a single detection method for a multi-direction scene based on the fully convolutional network. A fully convolutional single detection network model is constructed, end-to-endtraining can be carried out via single network needless of multi-step processing, a multi-scale feature extraction layer is combined with a text box prediction layer to detect multi-direction naturalscene characters in different sizes, length-width ratios and resolutions, a polygonal enclosure box is combined with characters to introduce less background interference, and a final text detection result can be obtained via simple non-maximal-value inhibition operations. Compared with the prior art, the detection method is simple and effective in structure, improves the accuracy, detection speedand robustness, and is high in practical application value.

Provided is a pedestrian detection method. The pedestrian detection method comprises the following steps that a pedestrian positive sample set and a pedestrian negative sample set needed for training a convolutional neural network are prepared; the sample sets are preprocessed and normalized to conform to a unified standard, and a data file is generated; the structure of the convolutional neural network is designed, training is carried out, and a weight connection matrix is obtained during convergence of the network; self-adaptive background modeling is carried out on videos, information of moving objects in each frame is obtained, coarse selection is carried out on detected moving object regions at first, the regions with height to width ratios unsatisfying requirements are excluded, and candidate regions are generated; each candidate region is input into the convolutional neural network, and whether pedestrians exist is judged.

A thermally manageable system is provided. The system may include a heat-generating unit, a heat-dissipating unit, and a thermal transport structure located between the heat-dissipating unit and the heat-generating unit. The thermal transport structure has a first surface in thermal communication with the heat-generating unit and a second surface in thermal communication with the heat-dissipating unit. The thermal transport structure includes a thermally conductive material having a length-to-width ratio greater than 1, and the length is oriented to directionally facilitate heat conduction in a direction about perpendicular at least one of the thermal transport structure first surface or second surface. The thermal transport layer comprises a plurality of individual thermally conductive strips or channels that define a discontinuous array within a relatively non-thermally conductive matrix.

The embodiment of the invention discloses a three-dimensional memory and a formation method of a channel pore structure thereof. According to the method, the channel pore structure in the three-dimensional memory is formed through a twice through-hole formation technology of a first through hole and a second through hole, so that the process difficulty and cost of the channel pore structure are greatly reduced, the problems of high process difficulty and high cost caused by ultrahigh through hole depth-to-width ratio under the same caliber are solved, and meanwhile the manufacturing process difficulty and cost of the three-dimensional memory are also reduced.

Embodiments of invention are directed to the formation of microprobes (i.e. compliant electrical or electronic contact elements) on a temporary substrate, dicing individual probe arrays, and then transferring the arrays to space transformers or other permanent substrates. Some embodiments of the invention transfer probes to permanent substrates prior to separating the probes from a temporary substrate on which the probes were formed while other embodiments do the opposite. Some embodiments, remove sacrificial material prior to transfer while other embodiments remove sacrificial material after transfer. Some embodiments are directed to the bonding of first and second electric components together using one or more solder bumps with enhanced aspect ratios (i.e. height to width ratios) obtained as a result of surrounding the bumps at least in part with rings of a retention material. The retention material may act be a solder mask material.

A front body structure for a vehicle has a pair of front side frames of a boxed-type which extend in a lengthwise direction from the front to the back of the vehicle at opposite sides of the front body. The front side frame has a closed rectangular cross section which has an approximately constant height over the length and has a height-to-width ratio gradually decreasing toward a ratio of 1 (one) as the front frame comes closer to the forward end thereof.

The invention relates to a target tracking method based on a TLD (Tracking-Learning-Detection) algorithm. The method comprises the steps of: initially selecting a target region from a first frame of image; by adopting a mid-value optical flow method, according to target region information in a previous frame of image, predicting a determined prediction target as a target tracking result; judging whether a number of pixel points in a current frame of image, which are occupied by the target region in the previous frame of image, is greater than a pixel threshold value; if yes, shortening the target region in the previous frame of image and the current frame of image according to a certain length-width ratio, and carrying out global traversal in a mode of a sliding window so as to obtain to-be-selected targets; if no, carrying out local region partitioning on the current frame of image, and carrying out local traversal in a mode of the sliding window so as to obtain to-be-selected targets; processing at least one to-be-selected target to form a target detection result; and according to the target tracking result and the target detection result, determining a target tracking region. According to the target tracking method disclosed by the invention, a detection module and a learning module of the TLD algorithm are improved, and real-time performance of target tracking is improved.

Arrays having multiple biopolymer features on a substrate, including elongated features which have a length / width ratio greater than 1.3 or more. Such arrays may be oriented in various directions and of shapes described, and fabricated using apparatus, methods, or computer program products of the invention.

The invention discloses an image automatic analysis method for reticulate adhesion rice. The method firstly images rice under the grade of a reference backlight, and enables the reticulate adhesion rice to belong to the different local regions separately through an automatic segmentation. Secondly, the automatic segmentation includes that fat circular rice is carried on a distance transformation and a watershed transformation to be divided, as well as to use a circular template to get the concave angle point of long rice after the long rice is carried out watershed transformation, and the separation line can be determined and the wrong separation line can be removed according to the concave angle point. Different colors is using to color complete polished rice, broken rice and the rice whose length is in the critical region and to color background and chalkiness so as to figure out the grain number, the length, the width and the length to width ratio of each grain, finally, and the entire polished rice rate, the broken rice rate, the chalkiness degree and the chalkiness grain rate, and to form an analysis report. The invention overcomes the problem that the reticulate adhesion rice is difficult to be carried on automated analysis, and removes the limit of the request analysis sample is not in adhesion placing.

The invention discloses a target detection method which comprises the following steps of: acquiring a to-be-detected image, wherein the to-be-detected image is subjected to multi-layer convolution extraction of features in a neural network to generate a feature map; loading modified structural parameters in a neural network model, and generating corresponding anchor box coordinates on the basis ofthe structural parameters, wherein the preset structural parameters comprise a reference dimension of an anchor box, an anchor box scale and a length-width ratio of the anchor box; generating candidate box coordinates on the basis of a region nomination subnet, taking a corresponding region on the feature map according to the candidate coordinates, and by pooling of a ROI (Region Of Interest), obtaining corresponding features; and on the basis of the features, determining prediction box coordinates, and on the basis of the prediction box coordinates, determining a target object position. Theinvention further discloses a target detection device and a computer readable storage medium. According to the invention, a case of generating an optimized prediction box to determine a target objectis implemented, a small target can be detected, and a detection rate for the target is improved.

A refined method to produce textured α-Al2O3 layers in a temperature range of from about 750 to about 1000° C. with a controlled texture and substantially enhanced wear resistance and toughness than the prior art is disclosed. The α-Al2O3 layer is deposited on a bonding layer of (Ti,Al) (C,O,N) with increasing aluminium content towards the outer surface. Nucleation of α-Al2O3 is obtained through a nucleation step being composed of short pulses and purges consisting of Ti / Al-containing pulses and oxidizing pulses. The α-Al2O3 layer according to this invention has a thickness ranging from about 1 to about 20 μm and is composed of columnar grains. The length / width ratio of the alumina grains is from about 2 to about 12, preferably from about 5 to about 8. The layer is characterized by a strong (116) growth texture, measured using XRD, and by low intensity of (012), (110), (113) (024) and diffraction peaks.

The present invention provides a dispersion usable for forming an electroconductive layer having an extremely fine pattern and a high thickness / minimum width ratio in the cross-section, and which has a high fluidity enabling application of inkjet to draw a fine pattern at high accuracy and contains only metal nanoparticles as a conductive medium. According to the present invention, a metal nanoparticle dispersion suitable to multiple layered coating by jetting in the form of fine droplets is prepared by dispersing metal nanoparticles having an average particle size of 1 to 100 nm in a dispersion solvent having a boiling point of 80° C. or higher in such a manner that the volume percentage of the dispersion solvent is selected in the range of 55 to 80% by volume and the fluid viscosity (20° C.) of the dispersion is chosen in the range of 2 mPa·s to 30 mPa·s, and then when the dispersion is discharged in the form of fine droplets by inkjet method or the like, the dispersion is concentrated by evaporation of the dispersion solvent in the droplets in the course of flight, coming to be a viscous dispersion which can be applicable to multi-layered coating.

The invention discloses an organic carrier for conductive silver paste applied to a front face electrode and a grid line of a solar cell, a preparation method of the organic carrier, silver paste containing the organic carrier and a solar cell manufactured from the silver paste. The organic carrier comprises the following components in percentage by weight: 60-75 percent of solvent, 1-10 percent of thickener, 0.3-5 percent of thixotropic agent, 1-5 percent of surfactant and 10-30 percent of plasticizer. The preparation method of the organic carrier comprises the following steps of: weighing various raw materials; adding various aids into a solvent respectively; and heating and stirring until the aids are dissolved completely. The organic carrier has proper viscosity and a simple preparation process. Paste prepared from the organic carrier has proper viscosity, fineness, leveling property, thixotropy and chemical stability. After the paste is subjected to screen printing and sintering on a cell substrate, the thicknesses of a front face electrode and a grid line thick film of a cell panel can be over 20 micros, and the prepared electrode and the grid line thick film can obtain a higher height-width ratio.

The invention discloses a two-dimensional code coding method, a two-dimensional code decoding method and a two-dimensional code print. The two-dimensional code coding method includes the steps that a coding mode of input data is determined; the input data are converted to data code word streams; the error correction level, the line number M and the column number N are determined; error correction code words are generated and added to the position behind the data code word streams; a horizontal cutting line and a vertical cutting line of a two-dimensional code are generated, and the area defined by an outer frame of the two-dimensional code is cut into coding area blocks through the horizontal cutting line and the vertical cutting line; data code words to which the error correction code words are added are added to the coding area blocks, The two-dimensional code decoding method includes the steps that the two-dimensional code is scanned and a binary image is generated; a boundary image is generated; a frame image is generated; the coordinates of the vertexes of the coding area blocks are distinguished; the data code word streams are obtained; error correction is conducted on decoding data code word streams; the data are restored. The two-dimensional code is printed on the print. According to the two-dimensional code coding method, the two-dimensional code decoding method and the two-dimensional code print, high coding density is achieved, the length-width ratio of the two-dimensional code can be adjusted by adjusting the line number and the column number of the two-dimensional code, and therefore the different requirements of practical application can be met.

A new and refined method to produce α-Al2O3 layers in a temperature range of from about 750 to about 1000° C. with a controlled growth texture and substantially enhanced wear resistance and toughness than the prior art is disclosed. The α-Al2O3 layer of the present invention is formed on a bonding layer of (Ti,Al)(C,O,N) with increasing aluminium content towards the outer surface. Nucleation of α-Al2O3 is obtained through a nucleation step being composed of short pulses and purges consisting of Ti / Al-containing pulses and oxidising pulses. The α-Al2O3 layer according to the present invention has a thickness ranging from about 1 to about 20 μm and is composed of columnar grains. The length / width ratio of the alumina grains is from about 2 to about 12, preferably from about 4 to about 8. The layer is characterized by a strong (104) growth texture, measured using XRD, and by low intensity of (012), (110), (113), (024) and (116) diffraction peaks.

The invention provides a machining method capable of improving the obdurability of a two-phase titanium alloy large-size bar, comprising the following steps of: 1, performing cogging forging on a two-phase titanium alloy cast ingot; 2, performing primary upsetting-drawing forging; 3, performing homogenization treatment; 4, performing secondary upsetting-drawing forging; and 5, performing annealing treatment on a finished product to obtain the two-phase titanium alloy large-size bar having a diameter of 250-450 mm. The two-phase titanium alloy large-size bar prepared by the machining method disclosed by the invention has a certain equiaxial alpha-phase content, original beta-crystalline grains are uniform and fine, and secondary alpha-strips are of a duplex organization structure with a certain length-width ratio, so that the flaw detection level of the large-size bar is raised while the strength and the fracture toughness of alloy is improved; and the two-phase titanium alloy large-size bar prepared by the machining method disclosed by the invention is good in obdurability.

A component for a vacuum apparatus for use in a plasma processing apparatus or a film forming apparatus for a semiconductor or the like, in which a surface is covered with a ceramic and / or metallic thermal spray film and projection-shaped particles of a width of 10-300 μm, a height of 4-600 μm and an average height / width ratio of 0.4 or higher are present within a range of 20-20,000 particle / mm2 on the surface of the thermal spray film. The thermal spray film has a porosity of 10-40%, shows a high adhering property to a film-shaped substance, is free from a product contamination by particles generated by a peeling of the film-shaped substance and can be continuously used over a prolonged period.

A method for forming fin field effect transistors includes forming a dielectric layer on a silicon substrate, forming high aspect ratio trenches in the dielectric layer down to the substrate, the high aspect ratio including a height to width ratio of greater than about 1:1 and epitaxially growing a non-silicon containing semiconductor material in the trenches using an aspect ratio trapping process to form fins. The one or more dielectric layers are etched to expose a portion of the fins. A barrier layer is epitaxially grown on the portion of the fins, and a gate stack is formed over the fins. A spacer is formed around the portion of the fins and the gate stack. Dopants are implanted into the portion of the fins. Source and drain regions are grown over the fins using a non-silicon containing semiconductor material.

The invention provides a closed hydrostatic slideway which comprises a base and a sliding block arranged on the base. The upper surface of the base is provided with a horizontal supporting slideway and a vertical supporting slideway in sequence from bottom to top; the sliding block is inlaid in a groove formed by the base, the horizontal supporting slideway and the vertical supporting slideway; a hydrostatic oil cavity is arranged between the upper surface of the sliding block and the lower surface of the vertical supporting slideway; a hydrostatic oil cavity is arranged between the lower surface of the sliding block and the upper surface of the base; and a hydrostatic oil cavity is arranged between the side surface of the sliding block and the side surface of the horizontal supporting slideway. In the closed hydrostatic slideway, a groove structure with a certain depth-to-width ratio is not adopted, and all main precision surfaces are all of a plane structure and can be ground, thereby reducing the processing difficulty of the slideway. Meanwhile, since the slideway and the base are both made of granite materials with good heat stability, the precision of the slideway is ensured. The straightness error of the closed hydrostatic slideway can be 0.1 mu m / 100mm, and the rigidities of the slideway in horizontal and vertical directions are both larger than 10000N / mu m.