34 results about "Hexagonal array" patented technology

The invention discloses a hexagonal array eddy current probe, and belongs to the field of eddy current probes, the hexagonal array eddy current probe comprises a plurality of eddy current detection coils, the detection coils are self-inductance coils, the coil units are the same in size and consistent in parameter, the coils are arranged in an array according to a hexagonal rule, and the distance between the adjacent coils is equal and is smaller than the outer diameter of the coils. According to the invention, through a topological connection mode that one coil is arranged at an interval, a detection blind area right below a single coil is effectively covered and eliminated, and the detection accuracy is improved.

The invention discloses a fluorescent cone embedded hexagonal array composite structure fluorescent ceramic as well as a preparation method and application thereof. According to the composite structure fluorescent ceramic, ceramic with the component being T serves as a base body, cone fluorescent ceramic units which are arranged in order are constructed in the base body through the combination of the gel technology and the photocuring 3D printing technology, and finally the fluorescent cone embedded hexagonal array composite structure fluorescent ceramic is formed. The problem of light spot expansion of the fluorescent ceramic is effectively solved by accurately regulating and controlling the matching relationship between the size of the conical bottom surface and the incident laser light spot and utilizing the synergistic effect generated by the optical characteristic difference between the ceramic matrix and the fluorescent ceramic. In addition, a three-dimensional efficient heat conduction network is formed between the ceramic matrix and the fluorescent ceramic, and heat accumulated under excitation of high-power-density laser can be quickly dissipated. The composite structure fluorescent ceramic with the fluorescent cone embedded into the hexagonal array can realize high-collimation, high-efficiency and high-brightness luminescence, and can be widely applied to the fields of laser illumination and display after being packaged with a laser excitation source.

The present application discloses a nano-emulsifier and its preparation method and application. The nano-emulsifier is prepared by polymerization reaction of carbon dot material, propylene oxide, ethylene oxide and a catalyst. The carbon dot material is a nanoparticle formed by stacking layered structures, and the carbon atoms in any layered structure are arranged in a regular hexagonal array, and the edge of any layered structure has a hydroxyl group that reacts with propylene oxide and / or ethylene oxide. The present application uses a carbon dot material with a layered structure as an initiator. Not only does it utilize the layered structure arrangement to make the carbon dot material have a higher chemical stability, thereby making the nano-emulsifier have the characteristics of high temperature and high salt resistance; it also introduces a carbon dot material containing multiple hydroxyl groups and hydrophobic groups on the surface, so that the prepared nano-emulsifier forms a strong interaction with the cycloalkanes, asphaltenes and colloids of the crude oil components, thereby significantly improving the low-temperature oil-water separation efficiency of the crude oil emulsion; the raw materials are green and economical, which is conducive to large-scale industrial promotion and production.

The invention provides a method for preparing a geometric groove structure based on femtosecond laser to regulate and control electro-deposition sites of a metal negative electrode and the metal negative electrode, and the method comprises the following steps: S1, drawing a microstructure pattern on a metal surface, the microstructure pattern being in the shape of a periodically arranged regular triangle or regular hexagon array; s2, the metal surface is ablated through femtosecond laser, and a geometric groove structure is formed in the metal surface according to the microstructure pattern; the wavelength of the femtosecond laser beam is 532-1064nm, the power of the femtosecond laser beam is 0.1-10W, the pulse frequency of the femtosecond laser beam is 100kHz-1MHz, the pulse width of the femtosecond laser beam is 100-500fs, and the light spot diameter of the femtosecond laser beam is 1-20 microns. Through regular triangle and regular hexagon periodic geometric groove design, multi-angle cooperative guidance of metal ions is realized, dendritic crystal nucleation density is remarkably inhibited, and electrochemical performance is improved; the method is easy and convenient to operate and high in repeatability, and a processing system is compatible with large-scale production.

A laser soldering ball device and welding method for a plug-in part, comprising a feeding part, a laser welding part, a visual inspection part, a discharging part and a turntable part; the laser welding part includes a nine-ball laser welding part and a ten-ball laser welding part; the feeding part, the nine-ball laser welding part, the visual inspection part, the ten-ball laser welding part, the visual inspection part and the discharging part are sequentially and uniformly arranged on the periphery of the turntable part in a hexagonal array form; the turntable part includes a turntable and a turntable base, and the turntable is arranged on the upper part of the turntable base in a rotatable manner; 6 toolings are arranged on the turntable part, and the toolings are flipable flat plate structures; it has the advantages of completing the welding of multiple terminals at one time, fewer processes, convenience and speed, greatly improving the efficiency, and high automation. It can not only automatically complete the welding of multiple terminals at one time, but also realize the automatic operations of automatic feeding, automatic welding and automatic discharging, resulting in high welding accuracy, reduced labor intensity of workers, high production efficiency and high output, and is particularly suitable for the production of a large number of terminals.

Implanted medical devices need a mechanism of immobilization to surrounding tissues, which minimizes tissue damage while providing reliable long-term anchoring. This disclosure relates to techniques for patterning arbitrarily shaped 3D objects and to patterned balloon devices having micro-or nano-patterning on an outer surface of an inflatable balloon. The external pattern can provide enhanced friction and anchoring in an aqueous environment. Examples of these types of patterns are hexagonal arrays inspired by tree frogs, corrugated patterns, and microneedle patterns. The patterned balloon devices can be disposed between an implant and surrounding tissues to facilitate anchoring of the implant.

The present application relates to a single-polarization photonic crystal fiber having a plurality of circular air holes formed therein and extending axially through the single-polarization photonic crystal fiber. The plurality of circular air holes includes two large circular air holes, a plurality of small circular air holes, and a plurality of medium circular air holes. The single-polarization photonic crystal fiber has a circular cross-section, wherein the two large circular air holes are symmetrically distributed about the center of the cross-section. The plurality of small circular air holes are arranged around the two large circular air holes, forming a multi-layer polygonal air hole ring with increasing size from the inside out. The outermost layer of the hexagonal array comprises a plurality of medium circular air holes. The distance between the centers of two adjacent medium circular air holes and two adjacent small circular air holes is a fixed pitch, and the distance between the centers of the two large circular air holes is twice the pitch. The structure of the single-polarization photonic crystal fiber of the present application is simple and easy to manufacture.

The invention provides a piezoelectric micromechanical ultrasonic transducer (PMUT), which comprises an ultrasonic transduction chip and a PMUT functional unit array formed by M * N regular hexagonal array elements, and the ultrasonic transduction chip sequentially comprises a top electrode layer, a piezoelectric layer, a bottom electrode layer and a substrate layer from top to bottom; a top electrode bonding pad and a bottom electrode bonding pad are arranged on the peripheral edge of the chip, each array element area is provided with an annular cavity below the upper surface of the substrate layer, and an annular vibrating diaphragm is formed on a reserved part on each annular cavity; each array element also sequentially comprises a top electrode layer, a piezoelectric layer, a bottom electrode layer and an annular diaphragm layer from top to bottom, and the same layer is connected to form each layer; isolation deep grooves are formed in the substrate layer between the adjacent edges of the adjacent array elements and penetrate upwards so as to suppress crosstalk between the array elements; a rotten liquid channel needs to be formed in the annular vibrating diaphragm; the invention further provides a manufacturing method of the PMUT and an ultrasonic transmitting and receiving method.

Described herein are IC devices include vias deposited in a regular array, e.g., a hexagonal array, and processes for depositing vias in a regular array. The process includes depositing a guiding pattern over a metal grating, depositing a diblock copolymer over the guiding pattern, and causing the diblock copolymer to self-assemble such one polymer forms an array of cylinders over metal portions of the metal grating. The polymer layer can be converted into a hard mask layer, with one hard mask material forming the cylinders, and a different hard mask material surrounding the cylinders. A cylinder can be selectively etched, and a via material deposited in the cylindrical hole to form a via.

Implanted medical devices need a mechanism of immobilization to surrounding tissues, which minimizes tissue damage while providing reliable long-term anchoring. This disclosure relates to techniques for patterning arbitrarily shaped 3D objects and to patterned balloon devices having micro- or nano-patterning on an outer surface of an inflatable balloon. The external pattern can provide enhanced friction and anchoring in an aqueous environment. Examples of these types of patterns are hexagonal arrays inspired by tree frogs, corrugated patterns, and microneedle patterns. The patterned balloon devices can be disposed between an implant and surrounding tissues to facilitate anchoring of the implant.

The invention relates to the technical field of hydrogen energy storage materials, and discloses a method for improving hydrogen storage efficiency through a defective carbon nanotube bundle, which comprises the following steps: S1, preparing a single-walled carbon nanotube bundle which is formed by arranging a plurality of single-walled carbon nanotubes in a hexagonal array; s2, a vacancy defect is introduced into the tube wall of the single-walled carbon nanotube, and the size of the vacancy defect is not smaller than the critical size NV = 8; s3, adjusting the distance between adjacent single-walled carbon nanotubes in the single-walled carbon nanotube bundle to 5.1-9; and S4, placing the single-walled carbon nanotube bundle with the vacancy defect in a hydrogen-containing atmosphere, and carrying out physical adsorption of hydrogen under set temperature and pressure conditions. Through introduction of vacancy defects, the mass of the carbon nanotubes is reduced, and hydrogen storage efficiency is far higher than that of isolated and perfect single-walled carbon nanotubes in combination with double adsorption sites of in-tube cavities and inter-tube gaps of the single-walled carbon nanotube bundles.

The invention discloses a multi-directional concentration detection system for leakage prevention of a large hydrogen storage tank and a detection method thereof, and relates to the field of leakage prevention of hydrogen storage tanks, and the system comprises a sensor module, a main data processing module, an imaging monitoring module, a distributed secondary data processing module, an alarm module, a communication module and a power supply module. The surface of a large hydrogen storage tank is divided into three-dimensional grids with different specifications, and a group of multi-type gas sensor arrays are arranged in the three-dimensional grids. According to the invention, three-dimensional dynamic sensing is realized, a top hexagonal array, middle annular nodes and bottom redundancy monitoring are arranged in a layered gridding manner, and a plurality of sensors are combined for cooperative use, so that the omission ratio is greatly reduced, a hydrogen full diffusion path can be greatly covered, leakage source positioning and diffusion prediction are realized based on data fusion of Kalman filtering and CFD models; and response delay is shortened.

Invention relates to electrodes for Tyndall-Powell ion gate (ion shutter) in, for example, an ion mobility spectrometer. Embodiment-1: Electrode (or conductive mesh, grid 113,123) within a Tyndall-Pow

This invention provides an all-sky polarization sensing device and heading calculation method based on a curved surface biomimetic compound eye, relating to the fields of biomimetic navigation and optical sensing technology. The device includes: a curved substrate; several polarization imaging units fixedly arranged in a close-packed hexagonal array on the outer surface of the curved substrate; and a processing unit electrically connected to all polarization imaging units. The curved substrate includes first-level, second-level, and third-level sub-surfaces, each with a textured layer, forming a fractal moth-eye structure. The method employs an online self-calibration method based on field-of-view overlap constraints to correct the original image data acquired by each polarization imaging unit; maps all corrected image data to a virtual celestial coordinate system to generate an all-sky polarization angle distribution map; when some units are obstructed, the polarization information of the obstructed area is reconstructed using an interpolation algorithm, thereby calculating the absolute heading angle of the carrier. This invention achieves highly robust and high-precision all-weather autonomous navigation.

The application discloses a method for efficiently improving thermal fatigue resistance of a lead-free solder interconnection BGA package welding spot, and relates to the field of chip connection. Ultrafast laser is used to process a dense arrangement of concentric hexagonal array microstructures on a substrate, solder balls are adhered to chip pins, the solder balls and the chip pins are fused and adhered together, and the substrate and the chip are subjected to BGA packaging. The application improves the connectivity of the solder and the substrate by changing the appearance characteristics of the substrate. The method is simple in operation, wide in application range and capable of satisfying packaging requirements of different materials and processing parameters.

The invention relates to the technical field of micro-channel plates, and provides a method for rapidly forming and processing a hexagonal channel micropore array optical element based on laser point-by-point punching induced etching. The method comprises the following steps of: polishing transparent glass serving as a substrate, and processing through a photoetching process to form a hollow hexagonal array pattern on the surface of the glass substrate; then a galvanometer system is used for controlling a laser beam to punch holes point by point at an S-shaped high speed according to a certain point interval, then wet etching treatment is carried out, a laser modification area is removed, and finally photoresist at the position of the hollow hexagonal pattern is removed, so that the hexagonal channel micropore array is obtained. According to the method, a laser point-by-point punching induced etching rapid prototyping mode assisted by a photoetching mask pattern is adopted, the laser processing precision is converted into the precision of the mask pattern, and the hexagonal channel micropore array with the ultrahigh array precision of + / -0.01 microns is efficiently manufactured; the problems of leakage holes, dislocation, multifilament vertex angle distortion and multifilament boundary deformation existing in the traditional process of directly processing a hexagonal channel array by laser are solved.

The invention discloses a nano demulsifier as well as a preparation method and application thereof. The nano demulsifier is prepared from a carbon dot material, epoxypropane, ethylene oxide and a catalyst through a polymerization reaction, the carbon dot material is nano-particles formed by stacking layered structures, carbon atoms in any layered structure are arranged in a regular hexagon array, and the edge of any layered structure is provided with hydroxyl which is subjected to polymerization reaction with propylene oxide and / or ethylene oxide. According to the preparation method, the carbon dot material with a layered structure is taken as an initiator, and the carbon dot material has relatively high chemical stability by utilizing a layered structure arrangement mode, so that the nano demulsifier has the characteristics of high temperature resistance and high salt resistance; a carbon dot material with polyhydroxy and hydrophobic groups on the surface is introduced, so that the prepared nano demulsifier has strong interaction with cycloalkane, asphaltene and colloid of crude oil components, and the low-temperature oil-water separation efficiency of crude oil emulsion is remarkably improved; the raw materials are green and economical, and industrial large-scale popularization and production are facilitated.

The invention relates to the technical field of hatching equipment, and discloses a hatching tray with 162 large egg capacity, the whole hatching tray is in a cuboid shape, the hatching tray is composed of an outer frame and an egg containing area, four arc-shaped clamping claws are uniformly distributed in a circular ring array, the angular point position of each hexagon of a hexagonal array is provided with a supporting column, the supporting column extends downwards to be connected with the circular ring array below, and the supporting column is connected with the outer frame. An egg containing area in the hatching tray is of an upper-lower double-layer stacked structure, specifically, the upper layer is of a honeycomb-shaped hexagonal array layout, the utilization rate of a plane space is greatly increased, each hexagonal structure is used for limiting the movement range of large ends of hatching eggs, and the risks of slipping, collision and the like of the hatching eggs are prevented; due to the design of the grooves in the upper edge, the contact area of the hatching tray and hatching eggs can be increased, meanwhile, the permeability of the whole tray is improved, the interior of the hatching tray is divided into 162 egg containing areas by the upper honeycomb-shaped hexagonal array and the lower circular ring array, 162 hatching eggs can be contained, and a large amount of repeated rotating disc work is effectively reduced.

The invention relates to an energy-saving and environment-friendly floor plate for constructional engineering, and belongs to the field of construction industry, the energy-saving and environment-friendly floor plate comprises a plate body, the plate body comprises an upper reinforcing mesh, a lower reinforcing mesh and concrete poured in the upper reinforcing mesh and the lower reinforcing mesh, a plurality of supporting assemblies are arranged between the upper reinforcing mesh and the lower reinforcing mesh, and each supporting assembly comprises a plurality of degradable supporting spherical shells. The degradable supporting spherical shells are arranged according to a regular hexagon array to form a hexagonal main body structure, a lightweight cavity structure is formed through the collaborative design that a spherical combination structure made of degradable materials is matched with an internal delay type expanding agent, and after concrete is hardened to have certain strength, the spherical combination structure is degraded, so that the strength of the concrete is improved, and the strength of the concrete is improved. The internal expanding agent reacts, the generated expansive force is effectively restrained and converted into the pre-compressive stress to the core concrete, the overall load bearing capacity can be improved through the internal pre-compressive stress under the effect of reducing the overall self weight, and the device has the characteristics of light building materials.

A multi-electron-beam (MEB) imaging system may include a field curvature corrector for individually correcting electron beamlets for field curvature blur by individually addressing microlenses of the field curvature corrector. The field curvature corrector may include a conductive plate, wherein the conductive plate includes a plurality of holes arranged in a hexagonal array. The field curvature corrector may include a microlens array, wherein the microlens array includes a plurality of microlenses formed on an insulative plate, wherein the plurality of microlenses are arranged in a hexagonal pattern to match the hexagonal pattern of the holes of the conductive plate. The microlens array includes a plurality of power lines for individually addressing each of the microlenses of the microlens array.

The diaphragm compressor with the high heat dissipation performance comprises a cylinder cover, a micro-channel structure is arranged in the cylinder cover, the micro-channel structure is provided with a liquid inlet channel and a liquid outlet channel which are communicated with cooling liquid, the micro-channel structure is symmetrically arranged relative to the center of the cylinder cover, and the micro-channel structure comprises multiple layers of concentric annular partitions; the concentric annular subareas comprise a peripheral arc-shaped area, a middle hexagonal array area and a central mixing area, the concentric annular subareas are formed by arranging boss structures, and the peripheral arc-shaped area is formed by arranging a plurality of arc-shaped bosses at intervals; the middle hexagonal array areas are formed by arranging a plurality of regular hexagonal bosses at intervals, the middle hexagonal array areas are arranged in multiple layers, and the side lengths of the regular hexagonal bosses are sequentially reduced from outside to inside; the central mixing area is a strip-shaped boss surrounding the exhaust hole and the air inlet hole; and the boss structure is not arranged between the liquid outlet channel and the central mixing area. According to the diaphragm compressor, the diaphragm head can be cooled under the condition that the structural stability of the diaphragm compressor is guaranteed.

The invention relates to a conical gradually-changed aperture microchannel plate and a preparation method thereof, and the preparation method comprises the steps: through the periodic linear increase of the wire drawing rate, preparing a conical optical fiber monofilament and a conical structure filament with the same taper angle and length as the conical optical fiber monofilament. Arranging the conical optical fiber monofilaments according to a positive dense hexagon, and inserting the conical structural filaments into gaps among the conical optical fiber monofilaments to form a composite rod; the large end faces of the conical optical fiber monofilaments uniformly face the first direction, and the small end faces of the conical structural filaments uniformly face the first direction. And drawing and arranging the composite rod to prepare the micro-channel plate blank. The micro-channel plate blank is subjected to acid etching, core glass removal, hydrogen reduction and electrode plating, and the conical gradually-changed-aperture micro-channel plate is manufactured. The method is simple in process and low in cost, improves gain, reduces noise, improves the overall performance of the microchannel plate, and is more practical.

The application discloses a kind of superfast laser processing close-packed concentric hexagonal array solar evaporator and its preparation method, belongs to solar evaporator technical field.The front surface of substrate is processed using superfast laser to obtain a kind of close-packed concentric hexagonal array microstructure surface, the close-packed concentric hexagonal array microstructure surface is an array structure that is closely arranged by many concentric hexagonal structure units, each concentric hexagonal structure unit is formed by the nesting of multistage hexagonal groove with the same center and spacing of about 30um, and the six edges of each concentric hexagonal structure unit are respectively in contact with the six edges of the outermost concentric hexagonal structure unit, and so on.By using superfast laser processing to obtain a kind of close-packed concentric hexagonal array microstructure surface, the light absorbance, wettability, surface area and the like of the metal surface are improved, which is conducive to improving the surface evaporation performance, and can solve the problems of complex preparation process and low evaporation efficiency of existing solar evaporator.

The application relates to the technical field of production and processing, and particularly discloses a nano crescent array structure for enhancing chiral optics, which comprises a first substrate and a crescent-shaped metal on the first substrate; wherein the crescent-shaped metal is a chiral structure unit arranged in a hexagonal array on the upper surface of the first substrate; the chiral structure unit comprises crescent-shaped metals with adjustable irregularities and equal interval distances between crescent centers, the crescent-shaped metals are arranged in a hexagonal array on the upper surface of the first substrate, and the irregularities of the crescent-shaped metals are adjustable; the chiral structure unit is uniformly arranged in the transverse and longitudinal directions of the first substrate; and the material of the first substrate is a light-transmitting material. The nano crescent array structure for enhancing chiral optics significantly enhances the circular dichroism of the chiral optical structure by increasing a regular hexagonal arrangement mode on the basis of original single irregular crescent-shaped metal.

The purpose of the present invention is to provide: an optical system device that provides a high contrast for a dot pattern even when light sources are arranged in a hexagonal pattern and lenses are square or of a similar shape; and an optical system device capable of shortening the distance between a lens and a light source.　Provided is an optical system device comprising: an optical element in which lenses, through which light having a wavelength of λ is transmitted and which each have a width of P in the x direction passing through the center of the optical axis and a width of (√3)P / 2 in the y direction, are arranged in a regular hexagonal pattern at a pitch of P in the x direction passing through the center of the optical axis; and an irradiation unit in which light sources for irradiating a plurality of the lenses with light having a wavelength of λ are arranged in a regular hexagonal pattern at a pitch of P in the x direction. When f represents the focal length of the lenses and n represents a natural number greater than or equal to 1, the distance L1 between the irradiation unit and the focal position of the optical element satisfies formula 1.

Vertical gallium nitride (GaN) field effect transistors (FETs) are presented herein. A vertical GaN FET includes cylindrical trench gates arranged in a hexagonal array to form a vertical FET channel. At a surface of the vertical GaN FET is a source layer formed in a GaN epitaxial layer and formed above a GaN substrate. A channel can be formed in the form of "GaN pillars" between the cylindrical gates; and FET characteristics, including threshold voltage, can be determined at least in part as a function of trench nearest neighbor distance. Thus, the trench nearest neighbor distance can be selected so that the vertical GaN FET operates either as an enhancement mode transistor or as a depletion mode transistor.

An embodiment of the present disclosure discloses a memory and a manufacturing method thereof. The memory includes: a substrate; a plurality of bit lines located on the substrate, the plurality of bit lines being parallel to each other and extending in a first direction; a plurality of active pillars located on the bit lines, and the bottom ends of the active pillars being connected to the bit lines; a plurality of word lines parallel to each other and extending in a second direction, the word lines surrounding the outer sidewalls of the active pillars, and the top ends of the active pillars being exposed outside the word lines, the active pillars and the word lines together constituting a vertical storage transistor of the memory; a plurality of capacitors and a plurality of connection pads, the capacitors being located above the active pillars, and the connection pads being located between the active pillars and the capacitors for electrically connecting the active pillars and the capacitors; wherein, the first direction and the second direction are perpendicular to each other, and the plurality of active pillars are arranged in a hexagonal array.

The present application belongs to the field of microscope technology, and provides a hexagonal lattice illumination super-resolution microscopy system and image reconstruction method, which comprises: a digital micromirror device containing a plurality of micromirrors, the micromirrors being set as a hexagonal array, reflecting the illumination light to modulate the illumination light into a hexagonal structured light; and a central control unit configured to control the digital micromirror device to adjust the micromirror reflection angle in a specific time sequence to generate a plurality of phase shift images, and to reconstruct the image stack after the camera detection module completes image acquisition to output a super-resolution image. The advantage of the present application is that by using hexagonal structured light, it is not necessary to take pictures in three directions as in traditional super-resolution structured light illumination, which reduces the number of single-phase images required for one super-resolution image in principle, and performs parallel operation under GPU, thereby improving the time required for super-resolution image reconstruction, and making the reconstruction frame rate reach the standard required for real-time reconstruction.

A multi-electron-beam (MEB) imaging system may include a field curvature corrector for individually correcting electron beamlets for field curvature blur by individually addressing microlenses of the field curvature corrector. The field curvature corrector may include a conductive plate, wherein the conductive plate includes a plurality of holes arranged in a hexagonal array. The field curvature corrector may include a microlens array, wherein the microlens array includes a plurality of microlenses formed on an insulative plate, wherein the plurality of microlenses are arranged in a hexagonal pattern to match the hexagonal pattern of the holes of the conductive plate. The microlens array includes a plurality of power lines for individually addressing each of the microlenses of the microlens array.

The application provides a low-conduction-resistance double-trench-gate SOI-LDMOS layout structure and a forming method thereof, and the structure at least comprises an SOI substrate and a plurality of array-arranged hexagonal LDMOS units formed in a top layer of silicon of the SOI substrate. The LDMOS power module is formed by splicing the hexagonal units, and since two trench gates are formed, there are two longitudinal conductive channels in the module, so that the current conduction resistance is reduced, the device current density is increased, and the device performance is obviously improved. The hexagonal ring-shaped trench gate makes the current channel also have six directions, and the current processing capacity is doubled compared with the traditional strip-shaped gate device. The hexagonal array-distributed LDMOS units can make the chip area utilization reach the optimum, and there is no area waste, which is obviously superior to the traditional circular array distribution.