2007 results about "Smooth surface" patented technology

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

The invention discloses an injection filler and a preparation method and application thereof, the filler is polycaprolactone particles, the polycaprolactone particles are spherical particles, the particle size of the spherical particles is 20-100 [mu] m, and the polycaprolactone particles have rough surfaces or unsmooth surfaces. The polycaprolactone microspheres have rough surfaces or unsmooth surfaces, so that the contact area with cells is increased, the adhesion ability and residence time of the cells are improved, the affinity of the polycaprolactone microspheres is improved, and the growth of collagen can be stimulated and accelerated. In the preparation process, the dosage of each component is scientifically screened, and on the basis of controlling the viscosity of a water-phase solution, the spherical polycaprolactone particles which are regular, rough in surface and uniform in particle size are obtained in cooperation with a rapid membrane emulsification method.

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

The invention discloses a power chuck machining device capable of compensating clamping and automatically pushing materials, and particularly relates to the field of chuck machining, the power chuck machining device comprises a chuck base, a plurality of clamping jaws are arranged on the chuck base, and the multiple clamping jaws clamp and fix a thin floating disc by synchronously and radially moving along the surface of the chuck base; a supporting piece is arranged on the chuck base and makes contact with the bottom of the thin floating disc. The supporting piece is arranged to support the thin floating disc, the supporting force of the thin floating disc is effectively increased, the possibility that the thin floating disc deforms due to external force in the turning process is reduced, higher rigidity is provided, vibration and bending of the thin floating disc can be effectively restrained, the stability in the machining process is improved, and the machining precision is ensured; and by arranging the adsorption mechanism, the action of force can be more uniformly distributed, vibration is reduced, the turning quality is improved, a smoother surface is obtained, and the size precision and the surface quality in the turning process are further ensured.

The invention relates to an anti-icing-deicing composite surface and a preparation method thereof, and belongs to the field of anti-icing and deicing. The surface comprises a porous material substrate, a super-hydrophobic / hydrophobic lubricating fluid top microstructure and a hydrophobic / hydrophilic lubricating fluid internal microstructure, wherein the super-hydrophobic / hydrophobic lubricating fluid top microstructure and the hydrophobic / hydrophilic lubricating fluid internal microstructure are coupled to the surface of the porous material substrate; lubricating fluid is injected into the surface of the hydrophobic / hydrophilic lubricating fluid internal microstructure; the super-hydrophobic / hydrophobic lubricating fluid top microstructure is located on the surfaces of a plurality of columnar bodies arranged on the porous material substrate in an array mode, namely, the super-hydrophobic / hydrophobic lubricating fluid top microstructure has the super-hydrophobic characteristic to water and lubricating fluid. And the hydrophobic / lubricating fluid-loving internal microstructures are also arranged in the array form, surround the root of each cylindrical object, and have the characteristics of lubricating fluid loving and hydrophobicity. The surface can have anti-icing / ice-dredging properties of super-hydrophobic and super-smooth properties at the same time, that is, the surface can have excellent anti-icing properties of a super-hydrophobic surface, and can also be ice-dredging like a super-smooth surface after the surface is iced, so that ice is easier to remove.

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

The invention belongs to the technical field of two-dimensional materials, and particularly relates to a preparation method of a corner heterojunction. According to the preparation method, when the two-dimensional material sheet is prepared, based on the characteristics of smooth surface and high viscosity of the hydrophilic polymer layer, a large-area two-dimensional material can be stripped from the silicon substrate with the hydrophilic polymer film layer, the stripping process is clean, and the two-dimensional material is not damaged; when the corner heterojunction is prepared, an intermediate two-dimensional material or an active interface does not contact any polymer in the whole transfer process by adjusting the shape and size of a transfer medium based on a Van der Waals force pickup transfer method, so that the pollution of a heterogeneous interface is greatly reduced; the efficient and fast preparation of the Van der Waals heterostructure without polymer residues and bubbles on the interface is realized.

A display lens, wherein a support structure (210) is provided on at least one of opposite surfaces of a protective member (110) and waveguide members (30, 130), the support structure (210) having a non-smooth surface. By providing different support structures (210) at different positions, and defining the structures and positions of the support structures (210), when the protective member (110) and / or the waveguide members (30, 130) deform, such as being pressed, the state of contact between the protective member (110) and the waveguide members (30, 130) or between the waveguide members (30, 130) changes, in order to reduce Newton's rings, thereby improving the display effect in existing lenses. In addition, the position and structure of the support structure (210) are defined such that the state of contact between the protective member (110) and the waveguide members (30, 130) can be changed from different angles, thereby improving the display performance of the display lens, whilst also enhancing the deformation resistance of the display lens, increasing the overall strength of the display lens.

The invention discloses a printing process for improving the adhesive force of ink on the surface of a metal material, which comprises the following steps: treating a metal aluminum sheet to obtain a smooth surface; the total thickness of the ink protection layer needing to be printed is divided into n layers, and n is larger than or equal to 3; first-time ink spraying printing is carried out, first-time pre-curing treatment is carried out, and a first ink protection layer is formed; carrying out second ink spraying printing, carrying out second pre-curing treatment to form a second ink protection layer,..., carrying out nth ink spraying printing, carrying out nth pre-curing treatment to form an nth ink protection layer; and after the nth ink spraying printing and the pre-curing treatment are completed, final curing is performed, and a total ink protection layer is formed. According to the technology, the adhesive force of the ink on the metal surface is improved by spraying and printing for multiple times and controlling the thickness of a single-time spraying film and the curing energy of the single-time spraying film in order to solve the problem that the adhesive force of the UV ink is greatly influenced by high curing speed and large curing shrinkage stress of the UV ink.

The invention provides a mixed bonding surface planarization process method of a wafer and chemical mechanical polishing equipment. The method comprises the following steps: controlling a grinding head to adsorb a first wafer to be subjected to surface planarization treatment, and grinding the first wafer on a first grinding pad to remove a copper film above a groove of the first wafer so as to obtain a second wafer; controlling the grinding head to move to a second grinding pad, and grinding the second wafer on the second grinding pad so as to remove the dielectric layer of the second wafer, the barrier layer above the dielectric layer and copper with the same thickness as the dielectric layer in the groove, and obtaining a third wafer with an exposed interface layer; controlling the grinding head to move to a third grinding pad, and grinding the third wafer on the third grinding pad, so that the surface height of the interface layer is the same as the surface height of the copper in the groove, and obtaining the wafer with the flattened surface; wherein the hardness of the third polishing pad is smaller than the hardness of the first polishing pad and the hardness of the second polishing pad. According to the invention, the wafer with a flat and smooth surface can be obtained.

The invention discloses a V-shaped mud cabin drag suction dredger pumping channel structure which comprises a connecting pipe, a mud cabin pumping channel and a bow square rotating circle, one end of the mud cabin pumping channel is connected with one end of the connecting pipe, and the other end of the mud cabin pumping channel is connected with a mud pipe of a bow through the bow square rotating circle. The top face of the mud cabin pumping channel is of a double-top structure, the inner wall of the double-top structure, the inner side face of the mud cabin pumping channel and the inner bottom face of the mud cabin pumping channel are all smooth faces, the bottom structure of the mud cabin pumping channel is of a longitudinal continuous structure, and the bottom structure of the mud cabin pumping channel separates a mud door hinge point and rubber and provides support above the rubber. The double-top structure comprises a double-top structure lower top plate and a double-top structure upper top plate located above the double-top structure lower top plate. The upper portion of the double-top structure lower top plate is fixedly connected with the double-top structure upper top plate through rib plates or reinforcing ribs. The structure is few in hard points, uniform in channel shape, small in resistance, simple in construction process, high in pumping efficiency, safe and reliable. No protruding structure exists in the mud cabin, and mud unloading is smooth.

The utility model provides a frame, a photovoltaic cell assembly and a photovoltaic cell assembly array, and relates to the field of photovoltaic technology. The frame comprises a first frame section, a second frame section and a third frame section which define an accommodating space, and the accommodating space is used for accommodating part of the edge of the photovoltaic panel; at least part of the first frame section is used for fitting a light receiving surface of a photovoltaic panel, and at least part of the third frame section is used for fitting a backlight surface of the photovoltaic panel; the first frame section is provided with a second surface and a first surface deviating from the third frame section, the first surface is opposite to the second surface, the first surface is provided with a curved reflective surface, and the reflective surface extends to the second surface in the direction away from the second frame section; the reflective surface is provided with a rough surface and a smooth surface which are distributed away from the second frame section. The frame provided by the utility model can improve the light utilization rate of the photovoltaic cell assembly and increase the power.

The embodiment of the utility model discloses a diffraction optical waveguide and near-eye display equipment, the diffraction optical waveguide comprises at least one layer of waveguide sheet, the waveguide sheet comprises a first surface and a second surface which are parallel to each other along the thickness direction of the waveguide sheet, and the first surface and / or the second surface at least comprises a coupling-in grating and a coupling-out grating; the coupling-in grating is used for coupling image light rays emitted by an optical machine into the waveguide sheet, so that the image light rays are totally reflected to the coupling-out grating in the waveguide sheet and are coupled out of the waveguide sheet through the coupling-out grating; an optical resin material layer is at least arranged in the area where the coupling-out grating is located, the optical resin material layer completely fills a grating groove of the coupling-out grating, and a flat and smooth surface is formed on the side, away from the waveguide sheet, of the optical resin material layer. The diffraction optical waveguide provided by the utility model is light in weight, thin in thickness and good in safety performance.

An optical member includes a light guide made of a light-transmitting material. The light guide has an entrance surface, an exit section that outputs a part of light incident from the entrance surface to outside, a smooth surface opposite to the exit section, and a terminal surface located opposite to the entrance surface to connect the exit section and the smooth surface. The exit section has a first region adjacent to the entrance surface and a second region adjacent to the first region. The first region has a step-shaped reflective surface and a prism part alternately arranged adjacent to each other. The step-shaped reflective surface has plural flat surfaces located at different heights through a step portion.

The invention discloses a strong friction bionic surface suitable for smooth and rough surfaces and a preparation method, the strong friction bionic surface comprises a rigidity-variable epoxy shape memory polymer, the rigidity-variable epoxy shape memory polymer is structurally divided into three layers, namely a backing layer, an inclined micro-cylinder array and a smaller-size secondary micro-cylinder array from bottom to top, the backing layer is conveniently fixed on a heating substrate and transfers heat, and the inclined micro-cylinder array is low in rubber-state cylinder modulus in a normal contact stage, so that the inclined micro-cylinder array can be in conformal contact with a dual surface better; before sliding friction, the cylinder is switched to be in a glassy state, the modulus is high, deformation is small, the anti-shearing effect can be effectively improved, and damage caused by large deformation is not likely to happen; the second-stage micro-column array has low contact rigidity when being in contact with a smooth surface or a rough surface, can be well adapted to planes with different sizes of roughness, and is embedded with rough peaks to increase the contact area.

The inorganic particle according to the present invention is composed of aggregation of crystalline and amorphous small particles and has a spherical and smooth surface. The spherical appearance, low crystallinity and narrow particle size distribution of inorganic particle are more advantageous in reducing scratch defects in the CMP process. In addition, since the small particles on the surface of the inorganic particle provide more active sites, the inorganic particle has an excellent removal rate, so it is advantageous as a next-generation CMP abrasive.

A component carrier including: i) a stack with at least one electrically insulating layer structure and at least one electrically conductive layer structure; ii) a first metal trace comprising a rough surface; and iii) a second metal trace arranged adjacent to the first metal trace, comprising a smooth surface. The component carrier is configured to guide high-frequency and or high-speed signals through the second metal trace.

A crack tip deformation in-situ measurement method based on sub-reference image splicing matching DIC includes the steps that firstly, the two sides of a compact tensile CT test piece are processed, one side is polished through abrasive paper, speckle spraying is conducted on the other side, a microscopic camera moves in the crack growth direction at the same step length, and multiple speckle images are shot; obtaining a whole-field reference image by using an image splicing technology, and obtaining a reference image corresponding to any position on a crack propagation path in cooperation with a template matching technology; speckle images collected in the hysteresis influence interval are matched with a global reference image, a corresponding reference image is captured, data of a crack tip displacement field and a smooth surface image shot by a camera on the other side are analyzed through a DIC technology to obtain a crack tip morphology change trend, and a result is further calculated through the data. According to the method, the Qamp is obtained at low cost; in the P steel crack propagation process, the deformation field of the crack tip and the crack morphology change under any crack length in an area are affected by overload hysteresis.

The invention relates to a fiber composite material, and discloses a preparation method of a para-aramid and natural rubber high interface performance composite material, which comprises the following four steps: preparing a chloroform solution of natural rubber, preparing a nano para-aramid-natural rubber composite mixing material, preparing impregnated para-aramid, and mixing and vulcanizing. According to the preparation method, the para-aramid is effectively connected with the matrix through the'bridge 'effect of the para-aramid nanophase by a method for constructing the para-aramid nanophase in the matrix material, so that the interfacial acting force of the para-aramid is enhanced, and the high performance of the para-aramid in the composite material is fully exerted; the problems of poor interfacial compatibility with a base material, low binding force and the like caused by smooth surface and chemical inertness of the para-aramid at present are effectively solved, and the para-aramid nanophase can also remarkably improve the strength and toughness of the base material.

The invention relates to the field of ceramics, in particular to a method for depositing an ultra-pure silicon carbide film on the surface of silicon carbide ceramic, which comprises the following steps: cleaning a silicon carbide ceramic substrate with a polished single surface, and then drying to obtain a pretreated substrate; a high-purity SiC target material is installed on a magnetron sputtering target located in a vacuum bin, the pretreated substrate is placed on a rotary heating table located in the vacuum bin in the mode that the polishing face is upward, and a corresponding magnetron sputtering environment is set; performing ionization cleaning and reverse sputtering cleaning on the polished surface of the silicon carbide ceramic substrate, then performing magnetron sputtering, and depositing a SiC film on the polished surface of the cleaned substrate; therefore, the ultra-high-purity silicon carbide ceramic membrane is formed on the surface of the silicon carbide ceramic. The ultra-pure silicon carbide film obtained by the method has the technical advantages of high strength, smooth surface and the like.

The invention belongs to the technical field of bimetallic composite materials, and provides a copper-aluminum bimetallic composite material and a preparation method thereof. The method comprises the following steps: coating an aluminum material with a copper strip, sealing through continuous electron beam welding, carrying out continuous equal channel angular extrusion on the copper-aluminum bimetallic material, carrying out heat treatment on the deformed copper-aluminum bimetallic material, and then carrying out extended extrusion or drawing to obtain the copper-aluminum bimetallic composite material. Aluminum is used for replacing part of copper, the overall weight of the material is reduced on the premise that the high conductivity of pure copper is kept, copper resources are saved, and the production cost is reduced. After ECAP extrusion, the strength performance of the material is improved by 3-5 times; after heat treatment, work hardening disappears, and subsequent machining treatment is facilitated; after expansion extrusion, the copper-aluminum bimetallic material is processed into a copper-aluminum bimetallic bar; and after further rolling and drawing, a bimetal plate or an ultra-fine grain wire is formed, and the material is restrained by a roller and a die hole to form an accurate size and a smooth surface.

An optical element has a light guide made of a light-transmitting material. The light guide has an incident portion where an external light enters, an exit portion which includes a surface where light incident from the incident portion first reaches, in which a protruding prism portion and a flat surface are arranged alternately, and a smooth surface opposite to the exit portion as parallel to the flat surface. The exit portion and the smooth surface are opposite to each other in an X direction. The light guide further has a reinforcing portion that protrudes or is recessed in the X direction from the flat surface or the smooth surface.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention discloses a high-stability sodium-ion battery manganese-based composite positive electrode material and a preparation method and application thereof, and belongs to the technical field of sodium-ion battery positive electrode materials. The chemical general formula of the positive electrode material is NaxNiaMnbTicM1-a-b-cO2, x is more than or equal to 0.6 and less than 0.8, a is more than or equal to 0 and less than 0.5, b is more than or equal to 0.3 and less than 0.8, c is more than or equal to 0 and less than 0.3, and M is any one or a combination of more of Li, Mg, Cu, Al, Ca or Zn. Spherical-structure precursor particles with uniform components can be obtained through a coprecipitation method, element replacement and doping are carried out through solid-phase sintering, the structural proportion is designed in a customized mode, and then the positive electrode material is obtained. The manganese-based positive electrode material prepared by the invention has a P2 / O3 composite layered structure, is smooth in surface appearance and uniform in size, has very good structural stability in a wide voltage range of 2.2-4.3 V, and shows excellent rate and long cycle stability.

The invention discloses a vacuum mechanical arm, and relates to the technical field of semiconductor wafer transfer equipment, and the vacuum mechanical arm comprises a torque transfer mechanism which comprises at least two belt wheels, and the belt wheels are provided with peripheral surfaces surrounding the central axes of the belt wheels and end surfaces located on the two axial sides; a double opposed belt comprising at least two torque transmitting belts of different height levels; the containing groove is formed by sectioning from one end face of the belt wheel to the other end face of the belt wheel and penetrates through one of the two end faces, and an opening is formed in the peripheral face of the belt wheel; the anchor point is arranged on the wall surface of the accommodating groove; the end cover is arranged in the opening in an embedded mode, the side face, away from the belt wheel, of the end cover is a smooth face, and the smooth face is consistent with the outer circumferential face of the belt wheel in curvature; one part of the torque transmission belt is guided out of the containing space and then completely wraps the circumferential face formed by embedding and splicing the outer circumferential face of the belt wheel and the smooth face of the end cover. By the adoption of the scheme, the rotation angle of the joints in the mechanical arm is enlarged.

The invention relates to the technical field of arc-shaped microcrystalline panels, in particular to an arc-shaped microcrystalline glass plate and a preparation method and application thereof. The roughness of the inner and outer surfaces of the arc-shaped microcrystalline glass plate is less than or equal to 0.06 mu m; the radial unevenness A of the arc-shaped microcrystalline glass plate is less than or equal to 0.4%, and A = h / L * 100%; the axial unevenness B of the arc-shaped microcrystalline glass plate is less than or equal to 0.4%, and B = d / L * 100%. The arc-shaped microcrystalline glass plate provided by the invention has a flat and smooth surface, can avoid optical scattering, meets the visibility requirement, and has the advantages of good flatness, low radial unevenness and axial unevenness, no warping angle phenomenon and obvious visual distortion.

The invention belongs to the technical field of diamond preparation, and discloses a high-speed preparation method of a thick diamond film, which comprises the following steps of: uniformly spreading diamond particles on a substrate by using absolute ethyl alcohol, placing the substrate on a sample table in an MPCVD (Micro-Pressure Chemical Vapor Deposition) system, and introducing hydrogen, slowly heating the interior of the MPCVD system to a preset cleaning temperature so as to perform plasma cleaning on the surface of the substrate, and growing the substrate on the basis of the growth hydrogen flow, the methane gas flow, the growth power, the growth temperature and the growth air pressure through a segmented growth method, promoting the growth of nano-scale diamonds in gaps of the diamond particles on the surface of the substrate to connect the diamond particles to obtain a compact and uniform rough thick diamond film, and polishing the rough thick diamond film to obtain a thick diamond film with a smooth surface; the thick diamond film is grown on the substrate on which a layer of diamond particles are paved by using hydrogen and methane gas through a segmented growth method, so that the high-speed preparation efficiency of the thick diamond film is improved.

The invention relates to the technical field of enameled wires, and provides a manufacturing method of an enameled wire for painting after stranding of bare metal conductors in order to solve the technical problems that paint is difficult to fill uniformly and the surface performance is unstable due to the fact that lines and gaps exist on the surface of a stranded conductor. Comprising the following steps: S1, carrying out annealing softening treatment on a single-core metal conductor; s2, twisting the plurality of annealed conductors; s3, annealing the stranded conductor again; s4, the stranded conductor sequentially passes through a front furnace and a rear furnace to be painted, low-viscosity insulating paint is used in the front furnace, a felt method is used for coating, gaps are filled through pressurization, a furnace body is prolonged, and repeated coating and baking are carried out in a circulating mode; a rear furnace is coated with a high-viscosity insulating paint eye mold, the roundness is adjusted through a slightly large eye mold in the first four times, coating and baking are conducted multiple times through a conventional eye mold in the subsequent process, and a rear furnace body is shorter than the front furnace to prevent over-baking; s5, coating lubricating oil or wax; and S6, rolling a finished product. The stranded enameled wire is compact in structure, smooth in surface and excellent in flexibility and bending resistance.

A preparation method of a high-quality titanium dioxide film with a controllable refractive index comprises the following steps that (1) a pulse laser light path is adjusted, and uniform scanning of a laser beam on the surface of a target material is achieved through a two-dimensional light beam scanning galvanometer; (2) preparing a titanium dioxide film: placing the substrate and the target material in a deposition cavity of vacuum deposition equipment, adjusting the distance between the target material and the substrate, setting the rotating speed of the target material and the heating temperature of the substrate, setting pulse laser parameters, bombarding the target material through collinear pulse string laser, and depositing generated plasma plume on the substrate to form the titanium dioxide film; and (3) annealing treatment of the titanium dioxide film: carrying out high-temperature oxygen introduction annealing treatment on the deposited titanium dioxide film. According to the method, the roughness of the titanium dioxide film is greatly improved in a collinear pulse string laser output mode, so that the high-quality titanium dioxide film with a smoother surface is obtained; the refractive index of the titanium dioxide film is flexibly regulated and controlled by changing the annealing temperature and time of high-temperature oxygen introduction.