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23 results about "Hexagonal pyramid" patented technology

In geometry, a hexagonal pyramid is a pyramid with a hexagonal base upon which are erected six isosceles triangular faces that meet at a point (the apex). Like any pyramid, it is self-dual. A right hexagonal pyramid with a regular hexagon base has C₆ᵥ symmetry.

Super-condensation composite brightness enhancement film and liquid crystal display backlight module

The invention discloses a super-condensation composite brightness enhancement film and a liquid crystal display backlight module, and particularly relates to the technical field of brightness enhancement films.The super-condensation composite brightness enhancement film comprises a core layer, an upper-layer brightness enhancement structure and a lower-layer brightness enhancement structure, the core layer is a multi-layer film made of poly (ethylene naphthalate) and a copolymer thereof, the upper-layer brightness enhancement structure is fixed to the top of the core layer, and the lower-layer brightness enhancement structure is fixed to the bottom of the core layer; the upper-layer brightening structure comprises a plurality of light gathering blocks, the light gathering blocks are distributed on the top of the core layer in a linear array mode, the light gathering blocks are arranged to be in a trapezoid quadrangular prism shape or a hexagonal pyramid shape, and the lower-layer brightening structure is fixed to the bottom of the core layer. The large-angle light of the incident surface is subjected to primary convergence through the plurality of inverse prism structures at the bottom of the core layer, and the large-angle light of the emergent surface is subjected to secondary convergence through the plurality of concave trapezoidal quadrangular prism-shaped or hexagonal pyramid-shaped light condensation blocks at the top of the core layer, so that the light loss is reduced, and the brightness of the backlight center is improved; and the hexagonal pyramid-shaped light condensation block can also improve the uniformity of the visual angle.
Owner:CHANGBAO NEW MATERIALS (SUZHOU) CO LTD

Novel mixing flocculation stirring device

The utility model relates to the technical field of stirring devices, and discloses a novel mixing flocculation stirring device, which comprises a flocculation basin and a stirring assembly arranged in the flocculation basin, the stirring assembly comprises a flow guide cylinder with a hexagonal structure, a base arranged below the flow guide cylinder and a stirring shaft arranged in the flow guide cylinder, openings are formed in the upper end and the lower end of the guide cylinder, six fixing plates are fixedly connected to the inner lower portion of the guide cylinder in the diagonal direction, the base is of a hexagonal pyramid structure matched with the guide cylinder, a plurality of vertical plates are fixedly connected to the base, and a plurality of paddles are installed at the bottom of the stirring shaft. Through the design of the guide cylinder and the base, a solution in the flocculation basin can be quickly and efficiently circulated to generate flocs, the flow speed of an inner flow field is higher, the circulation amount is larger, turbulent flow is richer, flocculation mixing is facilitated, and the flocculation efficiency is improved.
Owner:TIANJIN THUMB ENVIRONMENTAL ENG CO LTD

High-vibration-resistance AGM battery shell structure

A high-vibration-resistance AGM battery shell structure comprises a battery groove body, the battery groove body is of a cuboid structure with an opening in the upper portion, a groove body inner cavity is composed of a bottom plate and side plates erected on the bottom plate, and the side plates comprise the front side plate and the rear side plate which are arranged in the length direction and the left side plate and the right side plate which are arranged in the width direction; an inner cavity of the tank body is divided into a plurality of unit cells which are the same in size and are used for assembling a plate group of the storage battery by partition walls; reinforcing frames are arranged on the peripheries of the outer side faces of the front side plate, the rear side plate, the left side plate and the right side plate, and honeycomb grids fully covered in the reinforcing frames form a honeycomb structure. Each honeycomb lattice comprises a hexagonal pyramid frustum structure, the lattice bottom is closed, and the lattice opening is open. By designing the battery jar body with the honeycomb structure, low-frequency vibration energy in the running process of a vehicle can be effectively absorbed, various stresses under the low-frequency vibration condition can be dispersed, and resonance can be reduced, so that the vibration resistance of the storage battery can be improved, and a pole group in the storage battery can be effectively prevented from being damaged by vibration.
Owner:CAMEL GROUP HUAZHONG BRANCH CO LTD

Bicycle wheel assembly structure

A bicycle wheel assembly structure includes an annular rim, a hub, nipples, and spokes. The annular rim includes multiple rim penetration sections, each of which includes a rim-side limiting part on a circumference. The hub is arranged at the center of the annular rim. The hub includes multiple hub penetration sections. The rim-side limiting part and the nipple limiting part, and also the hub-side limiting part and the spoke limiting part, are all made in a hexagonal pyramid form with apex truncated to form a planar surface and including bevel facets so as to provide an anti-sliding effect resulting from geometric constraint and high static friction at both the annular rim-side and the hub-side. The angle of the hexagonal pyramid of the nipple limiting part is 60°, 90°, or 120°, and an optimum arrangement can be made based on the material elongation of the spokes and the desired tension.
Owner:HEXA CO LTD(CN)

Hexagonal double-frustum high-quality product packaging box

ActiveCN223253562URigid containersIsosceles trapezoidHexagonal pyramid
The utility model discloses a hexagonal double-frustum high-quality product packaging box which comprises a lower box body, a lower box body and a lower box body, an upper box body; and a magnetic component. When the box is used, the upper box body is turned upwards, and then objects filled in the cavity can be taken off; when the upper box body is turned downwards, the upper box body and the lower box body are fixed through the magnetic attraction assembly, the upper cavity and the lower cavity are spliced to form a storage cavity, and therefore the storage space of the product is increased; the lower box body is in the shape of a lower hexagonal frustum formed by a regular hexagonal box bottom wall and six isosceles trapezoid lower peripheral walls which are inclined downwards, the upper box body is in the shape of an upper hexagonal frustum formed by a regular hexagonal box top wall and six isosceles trapezoid upper peripheral walls which are inclined upwards, and in the closed state, the upper box body is in the shape of a lower hexagonal frustum; according to the packaging box, the whole packaging box is in a vertically-symmetrical hexagonal double-frustum shape, the purposes of being novel and unique in design and avoiding the monotonous and stiff structure of the packaging box are achieved, in addition, by means of the magnetic attraction assembly, the convenience of opening and closing of the box is improved, and the additional value of a product can be improved.
Owner:WING FAT (DONGGUAN) PRINTING CO LTD

Liquid phase epitaxy method of HgCdTe material based on patterned sapphire substrate

The present invention belongs to the field of infrared detector manufacturing technology and specifically provides a method for liquid phase epitaxy of HgCdTe material based on a patterned sapphire substrate. The method comprises: providing a sapphire substrate having a polished surface on one side and a nanoimprinted surface on the other, the nanoimprinted surface being imprinted with a regular hexagonal pyramid convex lattice structure; growing a CdZnTe transition layer on the surface of the regular hexagonal pyramid convex lattice structure using metal organic chemical vapor deposition (MOCVD); performing in-situ annealing after growth, and then placing the substrate in a liquid phase epitaxy system for liquid phase epitaxy of HgCdTe material on the CdZnTe transition layer. The sapphire substrate has high strength and will not crack during device fabrication or when subjected to high and low temperature shock during device operation. This method can reduce the defect density of the epitaxial material, improve material uniformity, and enable the production of large-area HgCdTe epitaxial materials, thereby meeting the requirements of third-generation infrared focal plane arrays for low-cost, large-area detectors.
Owner:ZHEJIANG TUOGAN TECH CO LTD

Micro-led chip with double-sided microstructure sapphire substrate and preparation method and application thereof

The application discloses a Micro-LED chip with a double-sided microstructure sapphire substrate and a preparation method and application thereof, and relates to the technical field of optoelectronic devices. The Micro-LED chip comprises a sapphire substrate and a flip GaN-based light-emitting unit arranged on one side of the sapphire substrate. The sapphire substrate has oppositely arranged first and second surfaces, the first surface faces the flip GaN-based light-emitting unit, and the second surface is a light-emitting upper surface. The first surface is formed with a microlens structure between the sapphire substrate and an n-type GaN layer, and the second surface is formed with a hexagonal pyramid microstructure array, which comprises a plurality of periodically arranged hexagonal pyramid structure units. The application can improve the surface light-emitting efficiency and the proportion of effective forward light emission while maintaining a high light extraction efficiency, and reduce the crosstalk influence of light emission in the sidewall direction on adjacent light-emitting pixels.
Owner:SUZHOU UNIV

Light emitting diode based on selected area self-assembly nanostructure and preparation method thereof

PendingCN120882182ADielectricIndium
The invention relates to the technical field of light-emitting diodes, and discloses a light-emitting diode based on a selected area self-assembly nanostructure and a preparation method of the light-emitting diode. A main buffer layer disposed on one side surface of the substrate layer; the distributed Bragg reflector structure comprises a plurality of porous n-type doped layers and a plurality of n-type doped layers, and the plurality of porous n-type doped layers and the plurality of n-type doped layers are alternately arranged from bottom to top; the silicon dioxide dielectric mask layer is arranged on the surface of one side, far away from the main buffer layer, of the n-type doping layer on the uppermost layer, a plurality of windows arranged in an array mode are formed in the silicon dioxide dielectric mask layer, and the windows expose partial area of the n-type doping layer on the uppermost layer; the plurality of hexagonal pyramid structures are in one-to-one correspondence with the plurality of windows; the active layer is arranged on the semi-polar surfaces of the plurality of hexagonal pyramid structures and is used for emitting red light; and the p-type doped layer is arranged on the surface of one side, far away from the hexagonal pyramid structure, of the active layer. According to the invention, the mismatched stress can be relaxed, and the indium component is improved.
Owner:XIAMEN UNIV +1

A breadth-priority autonomous selection method and system for a hexagonal pyramidal flywheel

A breadth-first autonomous selection method for a hexagonal pyramid flywheel configuration includes: determining flywheel combinations that cannot be simultaneously connected to the control system; counting the number of faulty flywheels; counting the number of faulty flywheels initially connected to the control system; when the number of faulty flywheels is 2 or 3, directly selecting existing fault-free flywheels to connect to the control system; when the number of faulty flywheels is greater than 3, directly setting all flywheels not to be connected to the control system; when only 1 flywheel is faulty when initially connected to the control system, prioritizing traversing all available flywheels to obtain 4 flywheels containing the shortest path to all vertices, and using these as the initial value for connection to the control system, determining the 4 available flywheel connection methods through a breadth-first search algorithm; when flywheel combinations that cannot be simultaneously connected to the control system are found during the search process, continuing the breadth-first search algorithm to determine the final flywheel connection combination method, thus completing the breadth-first autonomous selection design of the hexagonal pyramid flywheel configuration.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST +1

SQUID magnetic gradient tensor probe structure based on planar cross layout and measurement system

The invention relates to the technical field of superconducting weak magnetic detection, and particularly provides an SQUID magnetic gradient tensor probe structure based on a planar cross layout and a measurement system, the SQUID magnetic gradient tensor probe structure comprises a first differential SQUID sensor group and a second differential SQUID sensor group which are arranged in a cross shape, each sensor group comprises a plurality of three-axis SQUID sensors which are symmetrically arranged along an X axis and a Y axis, according to the invention, all independent components of the magnetic gradient tensor can be measured only by using four three-axis SQUID sensors, and compared with a traditional multi-sensor (such as a six-prismatic table structure or an eight-sensor structure) probe, the number of the SQUID sensors and the use amount of liquid helium are obviously reduced, the manufacturing and operation cost of the system is effectively reduced, and the system is suitable for large-scale popularization and application. And meanwhile, the number of each group of sensors can be further adjusted according to a measurement scene, so that the robustness and the sensitivity of gradient tensor precision are improved.
Owner:ZHONGBEI UNIV

Processing method of water-drop-shaped diamond with heart-shaped hollow-out effect

The invention discloses a processing method of a water-drop-shaped diamond with a heart-shaped hollow-out effect. The processing method comprises the following steps: selecting a near-pear-shaped blank and symmetrically cutting the near-pear-shaped blank; the round-scraping blank forms a cylindrical waist part, a hexadecagonal pyramid pavilion part and a table-shaped crown part, and the cross section of the waist part is in a water drop shape; with the longitudinal section of the waist portion as the reference, four first-class edges inclining towards the tip end of the blank and four second-class edges inclining towards the tail end of the blank are ground; by taking the surface surrounded by the lower waist edge of the waist part as a reference, polishing 16 waist lower facets at a first included angle in the direction far away from the crown part; based on the intersecting edges of the adjacent waist lower facets, first to sixteenth small waist lower facets are ground along the preset edges; 16 crown main surfaces are ground on the basis of the central surface of the waist part, and 8 triangular star lobes are ground at the joint angle positions of every two adjacent crown main surfaces and the table surface of the crown part at intervals. The unique heart-shaped hollowed-out design is integrated in the center of the diamond, and the problem that a center inclusion is serious is ingeniously solved.
Owner:HUBEI UNIV OF SCI & TECH

Deployable antenna mechanism based on decagonal and hexagonal heterogeneous module networking and paraboloid profile division method thereof

The invention discloses a deployable antenna mechanism based on decagonal and hexagonal heterogeneous module networking and a paraboloid profile division method thereof. The deployable antenna mechanism is formed by combining a plurality of pyramid combination units in a networking mode. Each pyramid combination unit comprises a ten-pyramid basic deployable unit and five hexagonal-pyramid basic deployable units which surround the periphery of the ten-pyramid basic deployable unit, are distributed in an annular array mode and are movably connected with the ten-pyramid basic deployable unit, and every two adjacent hexagonal-pyramid basic deployable units are movably connected through a foldable connecting rod piece. The ten-pyramid and hexagonal-pyramid multi-rod-piece structure has the good symmetry characteristic and the tight splicing characteristic, rapid expansion and combination can be achieved through circumferential array arrangement, the requirements of paraboloid deployable antennas of different sizes and different curvatures can be met on the premise that the excellent rigidity performance is kept, and the design is reasonable. An effective technical path is provided for the design of a large-caliber and high-precision antenna, and the antenna can be suitable for different working environments.
Owner:JIANGSU UNIV OF SCI & TECH

Light guide parts for lighting fixtures

ActiveJP1815150SIlluminanceLight guide
This light-guiding component for a lighting fixture comprises a small, gently sloping entrance section in the shape of a regular hexagonal pyramid and a larger, more steeply sloping tapered section also in the shape of a regular hexagonal pyramid. The constricted section between the tapered section and the lens section (described below) is constricted from the regular hexagonal base of the tapered section to its inscribed circle, and the lens section is integrated into the constricted section. This component maximizes light from a light source, such as a light-emitting diode, through the entrance section, directs the light from the base of the tapered section to the circularly constricted illumination surface, and projects a circular beam of uniform illuminance onto the front surface through the lens section. While light-guiding components for lighting fixtures consisting of a small, gently sloping entrance section in the shape of a circular truncated cone and a larger, more steeply sloping tapered section in the shape of a circular truncated cone have not been able to achieve circular illumination with uniform illuminance, this component achieves circular illumination with uniform illuminance throughout the entire circle. In the reference diagram showing the state of use, the product is depicted in blue, but in reality the entire product is a solid, transparent body.
Owner:OKAMOTO GLASS CO LTD

PCD (Poly Crystal Diamond) multi-edge milling cutter

The utility model discloses a PCD (Poly Crystal Diamond) multi-edge milling cutter which comprises a cutter bar and a cutter head, the cutter bar is used for fixing the milling cutter on a cutter handle or a machine tool spindle and comprises a main body and a positioning piece, the main body is a cylinder, and the positioning piece is a hexagonal pyramid table and is formed by machining at one end of the main body; the tool bit is used for cutting a to-be-machined workpiece and comprises a blade part and a positioning groove. The positioning groove is formed in the bottom of the blade part and is in a hexagonal pyramid shape matched with the positioning piece; the tool bar and the tool bit are connected through the positioning piece and the positioning groove, and the positioning piece is in interference fit with the positioning groove so that stable and accurate connection of the tool bar and the tool bit can be improved. According to the milling cutter, the positioning piece and the positioning groove are in interference fit, so that the cutter bar and the cutter head are connected more stably, displacement caused by subsequent welding and other machining is avoided, the irregular shapes of the positioning piece and the positioning groove enable coaxial connection of the cutter bar and the cutter head to be more accurate, meanwhile, the shape of the cutter head does not need to be adjusted in a large range, machining time of the milling cutter is shortened, and production efficiency is improved.
Owner:SHENZHEN YUHE DIAMOND TOOLS CO LTD

Semiconductor chip structure, electronic device and electronic circuit

The utility model provides a semiconductor chip structure, an electronic device and an electronic circuit. The semiconductor chip structure comprises an epitaxial layer, a chip device layer, a first electrode and a second electrode. Wherein the first surface of the epitaxial layer is a roughened surface, the roughened surface is provided with a plurality of hexagonal pyramid microstructures, the width of the bottom of each hexagonal pyramid microstructure is within 0.5-1 micron, the height of each hexagonal pyramid microstructure is within 0.7-1.5 microns, and the thickness of each hexagonal pyramid microstructure is 0.5-1 micron. Compared with a coarsening structure formed by a plurality of large conical structures in the prior art, the coarsening surface can more effectively scatter light, so that the light emitting efficiency is improved.
Owner:SHANGHAI XINYUANJI SEMICON TECH

Deployable antenna mechanism based on bottom equilateral triangular pyramid and hexagonal pyramid heterogeneous module and paraboloid profile networking method thereof

The invention discloses a deployable antenna mechanism based on bottom equilateral triangular pyramid and hexagonal pyramid heterogeneous modules and a paraboloid profile networking method thereof. The deployable antenna mechanism is formed by combining a plurality of pyramid combination units in a networking mode. Each pyramid combination unit comprises a hexagonal pyramid basic deployable unit and nine triangular pyramid basic deployable units which are arranged around the hexagonal pyramid basic deployable unit and movably connected with the hexagonal pyramid basic deployable unit, and every two adjacent triangular pyramid basic deployable units are movably connected through a foldable connecting rod piece. Parabolic profile networking of the deployable antenna mechanism is realized by adopting a triangular and hexagonal combined graph method, so that the deployable antenna mechanism can keep good profile precision in the unfolding and folding processes, and the adaptability and fault tolerance of fitting a compound profile division unit into a paraboloid are further improved; and the device can better adapt to parabolic profiles with different calibers.
Owner:JIANGSU UNIV OF SCI & TECH

High-brightness structural film and LCD (Liquid Crystal Display) backlight module

The utility model discloses a highlight structural film and LCD backlight module, specifically relates to highlight structural film technical field, including PET film layer, the bottom of PET film layer is fixed with a plurality of prism structures, the plurality of prism structures are distributed in linear array at the bottom of PET film layer, the top of PET film layer is provided with a brightening structure, the brightening structure includes a plurality of brightening blocks, and the brightening blocks are arranged on the bottom of PET film layer. The multiple brightening blocks are distributed on the top of the PET film layer in a linear array mode, and the brightening blocks are all arranged to be in a rectangular pyramid shape or a hexagonal pyramid shape. According to the utility model, the plurality of rectangular pyramid-shaped or hexagonal pyramid-shaped brightening blocks are arranged at the top of the PET film layer, the rectangular pyramid-shaped brightening blocks are matched with the plurality of prism structures, the brightening performance is high, the hexagonal pyramid-shaped brightening blocks are matched with the plurality of prism structures, and the hexagonal pyramid-shaped brightening blocks have multiple light receiving surfaces, so that not only can the brightening effect be achieved, but also the brightness of the light receiving surfaces can be improved. And the light receiving performance can be improved, so that the viewing angle is more uniform.
Owner:CHANGBAO NEW MATERIALS (SUZHOU) CO LTD

Municipal landscaping brick facilitating replacement of greening plant soil

The utility model discloses a municipal landscaping brick convenient to replace greening plant soil, which comprises a hexagonal brick body, a hexagonal pyramid-shaped hole is arranged in the hexagonal brick body, first vertical grooves are arranged on the outer wall of the hexagonal brick body at equal intervals, connecting grooves are arranged at the bottom of the hexagonal brick body at equal intervals, and the first vertical grooves are communicated with the connecting grooves. The inner wall of the hexagonal-pyramid-shaped hole is provided with second vertical grooves at equal intervals, the second vertical grooves communicate with the connecting grooves, and the inner walls of the first vertical grooves are connected with vertical rods in a matched mode. The utility model relates to the technical field of municipal landscaping, and solves the problems that in the prior art, when soil of greening plants needs to be replaced or the plants need to be maintained, spliced and laid greening bricks need to be disassembled one by one, then the soil of the greening plants needs to be replaced, the operation process is tedious, a large amount of manpower and time need to be consumed, efficiency is low, and cost is high. And rapid and efficient greening maintenance is not facilitated.
Owner:HEILONGJIANG BOFENG ROAD & BRIDGE CO LTD

Prying-resistant and drilling-resistant mechanical lock cylinder

The utility model relates to the technical field of mechanical lock cylinders, in particular to a prying-resistant and drilling-resistant mechanical lock cylinder which comprises a lock cylinder body, protection pieces are fixedly connected to the bottoms of the two ends of the lock cylinder body, and rotary drilling-resistant assemblies are installed at the two ends of the inner side of the lock cylinder body. The rotary anti-drilling assembly comprises a protective outer ring, the protective outer ring is rotationally arranged on the inner side of the lock cylinder body, the rear end of the protective outer ring is fixedly connected with an anti-drilling seat, a hexagonal pyramid groove is formed in the inner side of the anti-drilling seat, a connecting block is fixedly connected to the corner area of the inner side of the hexagonal pyramid groove, and the rear end of the anti-drilling seat is fixedly connected with a connecting block. According to the anti-drilling lock cylinder, the anti-drilling performance is effectively improved through the arranged rotary anti-drilling assembly, the anti-drilling lock cylinder can be matched with small drill bits with different diameters, the small drill bits are prevented from deeply damaging key structures in the lock cylinder, compared with a traditional anti-drilling piece, the anti-drilling function of the lock cylinder is remarkably enhanced, and safety and reliability of the lock cylinder are guaranteed.
Owner:WENZHOU AOBO LOCK CO LTD

A carbon / carbon curved honeycomb structure, a manufacturing mold and a method thereof

The present invention discloses a carbon / carbon curved honeycomb structure, a mold for preparing the structure, and a method for preparing the structure. The curved surfaces of the inner and outer surfaces of the curved honeycomb are two coaxial cylindrical surfaces. The curved honeycomb comprises a plurality of first and second single cell rings arranged alternately in the axial direction and connected in a mating manner. The first single cell ring comprises a plurality of first single cells connected in sequence in a mating manner, and the second single cell ring comprises a plurality of second single cells connected in sequence in a mating manner. The shape of the first single cell is the same as the solid shape formed by the intersection of a regular hexagonal pyramid, an inner cylindrical surface, and an outer cylindrical surface. The axis of the regular hexagonal pyramid is perpendicular to the axis of the inner cylindrical surface, the vertex of the regular hexagonal pyramid is on the axis of the inner cylindrical surface, and two pairs of sides of the base of the regular hexagonal pyramid are parallel to the axis of the inner cylindrical surface. The inner surface holes of the second single cells are hexagonal, identical in shape and size to the inner surface holes of the first single cells. The present invention simplifies the preparation process, saves labor time, and is suitable for the preparation of large-scale and batch carbon / carbon curved honeycombs.
Owner:BEIJING INST OF TECH +1

Environment-friendly sound insulation device for decoration engineering construction

The utility model discloses an environment-friendly sound insulation device for decoration engineering construction, which relates to the technical field of noise reduction devices and comprises a plurality of frames, hollow fixing plates filled with sound absorption materials are fixed in the frames, hexagonal sound attenuation holes are arranged on the plates, adjusting rings are slidably connected in the sound attenuation holes, and one end far away from the fixing plates is connected with an adjusting plate I; the driving block is made of piezoelectric materials, the position of the adjusting plate can be adjusted according to the noise condition detected by the sensor, the end, away from the second adjusting plate, of the adjusting rod is connected with the hexagonal pyramid wedge block, and the adjusting ring and the adjusting rod are made of foam materials. The density of the internal material is gradually increased to form a density gradient, energy is dissipated after sound waves are reflected, refracted and repeatedly absorbed at interfaces with different densities, the device can automatically adjust the internal structure, the best sound insulation effect is kept, and the influence of construction noise on the environment and personnel is reduced.
Owner:YUNNAN ZHAOCHEN CONSTRUCTION ENGINEERING CO LTD

Mercury cadmium telluride material liquid phase epitaxy method based on patterned sapphire substrate

The invention belongs to the technical field of infrared detector manufacturing, and particularly provides a liquid phase epitaxy method of a tellurium-cadmium-mercury material based on a graphical sapphire substrate, which comprises the following steps: providing a sapphire substrate with a polished surface on one side and a nano-imprinting surface on the other side, imprinting a regular hexagonal pyramid convex lattice structure on the nano-imprinting surface, and growing a cadmium zinc telluride transition layer on the surface of the regular hexagonal pyramid convex lattice structure by adopting a metal organic chemical vapor deposition technology, carrying out in-situ annealing after the growth is finished, then putting the regular hexagonal pyramid convex lattice structure into a liquid phase epitaxy system, and carrying out liquid phase epitaxy on a mercury cadmium telluride material on the cadmium zinc telluride transition layer. The sapphire substrate is high in strength and does not crack in the technological process of preparing a device and when the device is impacted by high and low temperatures during working, and the method can reduce the defect density of an epitaxial material, improve the uniformity of the material and realize preparation of a large-area tellurium-cadmium-mercury epitaxial material so as to meet the requirements of a third-generation infrared focal plane array on low cost and a large-area array detector.
Owner:ZHEJIANG TUOGAN TECH CO LTD