214 results about "Butterfly wing" patented technology

A false eyelash for removable application to the eyelash of a wearer includes an adornment support structure for removably adhering to the wearer eyelash upper surfaces, wearer eyelash lower surfaces or wearer eyelash upper and lower surfaces, and supporting an adornment structure such as natural or simulated feathers, butterfly wings, or flower pedals.

The invention discloses an electrode contact structure of an implantable electrical nerve stimulator. The electrode contact structure comprises a platinum-iridium alloy spiral which is made from a platinum-iridium alloy wire, wherein a small spiral line is fixedly connected to one end of the platinum-iridium alloy spiral, so that an electrode for transmitting an electric stimulation signal is formed; the joint of the platinum-iridium alloy spiral and the small spiral line is covered by silica gel, so that a butterfly wing-shaped fixed part; and in order to facilitate connection to and fixation with a stimulated part, the other end of the platinum-iridium alloy spiral is connected to a medical suture line which is provided with a medical suture needle. Through the structures, since the platinum-iridium alloy spiral and the small spiral line are connected, the electrode contact structure is sufficient in connecting strength and is capable of stably transmitting the electric stimulation signal. In addition, in the structures, the contact of the platinum-iridium alloy spiral can be connected to such stimulated parts as stomach, colon, heart and the like, and the phenomenon of separating in the peristalsis process of the stimulated part is avoided and the electric stimulation signal is transmitted stably.

The invention discloses a method for manufacturing a surface enhancement Raman scatting (SERS) substrate having ultra high performance. The method comprises the steps: firstly, selecting a cicada wing, a butterfly wing, a scarlet macaw feather or other biological micro structures as a basal plate, and simply cleaning, drying and shaping the biological micro structure basal plate; and then plating gold, silver or other precious metals on the biological micro structure basal plate by magnetron sputtering or ion beam sputtering or other precise film plating methods to produce the SERS substrate. The gap size of a micro-nano structure is precisely controlled by controlling the thickness of the plating film, and the micro-nano gap size can be controlled to be less than 10 nm. The manufactured SERS substrate has the outstanding advantages of large area, low cost, uniformity, environmental protection, ultra sensitivity, precisely controllable gap and the like. The environmental protection material is selected as the basal plate, the quite simple, mature and low-cost method is used for manufacturing the high performance SERS substrate which meets the needs of practical applications and theoretical researches, so that a powerful tool and a solid foundation are provided for the theoretical researches and the practical applications of an SERS effect.

The invention discloses a tangential driving double-difference butterfly-wing silicon microgyroscope and an application method thereof. The silicon microgyroscope is of a silicon-glass double-layer structure which is constituted by a silicon sensitive structure and a glass electrode plate, the silicon sensitive structure comprises an external framework, an internal coupling spring structure and two silicon sensitive subsidiary structures, each silicon sensitive subsidiary structure comprises four inertial mass blocks which are connected to a supporting beam through a cantilever beam, driving comb teeth are arranged on the inertial mass blocks, a driving electrode, a detecting electrode and an electrode welding disc are arranged on the glass electrode plate, and detecting capacitors of thetwo silicon sensitive subsidiary structures constitute a double-difference slab detecting capacitor. The application method comprises the step of additionally applying static electrostatic stiffness to a unilateral silicon sensitive structure to change a modal control method of the system modal frequency. By means of the tangential driving double-difference butterfly-wing silicon microgyroscope and the application method thereof, the limit of normal displacement on driving amplitude and capacitive gaps can be effectively removed, the driving Q value can be effectively increased, the working state of the gyroscope is improved, thus the sensitivity of the gyroscope is improved, the bandwidth of the gyroscope is increased, and the stability of the gyroscope is improved.

The invention discloses a method for preparing a composite photocatalyst material with multi-element metal oxides loaded with plasma gold nanorods in a hierarchical structure by utilizing a butterfly wing structure, which mainly includes the following steps: pre-treating butterfly wings; The compounds are fully dissolved in the organic solvent respectively, and then the two organic solutions are mixed uniformly, the metal A is selected from one of metal Bi, Sr, Ca, Pb, Li, Na, K; the metal B is selected from the metal One of V, Ti, Ta; immersing the butterfly wing template in the mixed solution prepared above and keeping it warm; taking out the above butterfly wing template and cleaning and drying; keeping the butterfly wing template at 500°C-600°C for 5-10 hours; The gold nanorods are prepared by a seed growth method; the gold nanorods are loaded onto the multi-element metal oxide material by an improved incipient wetness method. The composite photocatalytic material system prepared by the invention can significantly improve the photocatalytic performance of the material.

A vertical wind turbine to catch the wind force characterized by its system of aerodynamic panels are provided with blades fixed into horizontal axis that open and close simultaneously and symmetrically upward and downward due the gears like the butterfly wings rotated by 90° of its normal position, it is like opens an umbrella horizontally to receive on one side the wind buoyancy or pressure and in the other side close by the action of the wind. The top and bottom blades works as counterweight one to another both to open and close (flatness) which makes your weight null in relation to the effort of wind to open or close them independent of the self-weight of the blades what propitiate the maximum use of the wind force in the traction side without loss to the return of the blades to the traction position driving a vertical axis.

A blocking device for both muscular and membranous ventricular septal defects features that it has the extended parts of discoid like the butterfly's wings and the space between the said butterfly wings. As a result, it can not damage the important organs such as aortic valve near the defect after it is transplanted in human body. Its preparing process includes such steps as carving slits on NiTitube to form netted tube, vacuum heat treating for high elasticity, removing oxidized film from its surface, welding netted tube to jointer, putting in a mould, high-temp. shaping, cooling, and demoulding.

The invention provides a puncture needle assembly machine and belongs to the technical field of medical equipment. The puncture needle assembly machine solves the problem that the degree of automationof an existing puncture needle assembly machine is low. The puncture needle assembly machine comprises a circulation conveying line I, a circulation conveying line II and a needle tube component transfer mechanism, wherein a needle tube component assembly mechanism is located on one side of the circulation conveying line I and comprises a turntable I, a needle seat feeding component, an upper epoxy resin component and a blanking component; and a butterfly wing assembly mechanism comprises a turntable II, a surrounding butterfly wing feeding component, a butterfly wing surface fixing component, an assembly component, a needle surface positioning component, a spraying point component and a glue dispensing component. With adoption of the puncture needle assembly machine, the butterfly wing and the needle tube component are assembled together through the butterfly wing assembly mechanism, the needle tube, the needle seat and the butterfly wing realize assembly line type full automatic assembly and the assembling efficiency of the puncture needle is greatly improved.

The invention discloses a single-piece double-shaft butterfly wing type micromechanical accelerometer which comprises a sensitive silicon structure and a glass substrate. The sensitive silicon structure is provided with four sensitive mass blocks as movable capacitor plates. The glass substrate is provided with fixed capacitor plates which are arranged in one-to-one correspondence with the four sensitive mass blocks and opposite to the four sensitive mass blocks. The sensitive silicon structure is connected with the glass substrate in a bonding mode. The sensitive silicon structure further comprises a fixed frame, a supporting oblique beam and a trapezoidal cantilever beam. The four sensitive mass blocks include two flat plate mass blocks and two concave plate mass blocks. The two ends of the supporting oblique beam are connected to the inner side of the fixed frame, and the supporting oblique beam divides the inner side of the fixed frame into two regions, wherein one flat plate mass block and one concave plate mass block are arranged in each region, and all the sensitive mass blocks are connected to the supporting oblique beam through the trapezoidal cantilever beam. The single-piece double-shaft butterfly wing type micromechanical accelerometer has the advantages of good temperature stability and robustness and low cost.

The invention relates to a lens for a light-emitting diode (LED) lighting device, which is provided with a bottom face (1) and an emergent face (2) protruding from the bottom face (1). A concave area (3) is formed in the middle of the bottom face (1), an incidence face (4) is formed on the surface of the concave area (3), and a light source of the LED lighting device is arranged in the concave area (3). The incidence face (4) comprises at least three concave surface portions (4a) recessing towards the position far away from the light source, adjacent concave surface portions (4a) are transited smoothly, and the at least three concave surface portions (4a) respectively project outlines in shapes of butterfly wing apexes on the bottom face (1). In addition, an LED lighting device with the lens is provided.

The invention relates to an asymmetric butterfly type built-in permanent magnet synchronous motor, which comprises a double-layer permanent magnet, a magnetic isolation bridge, a magnetic isolation barrier and a rotor core, wherein the magnetic isolation barrier angles of the permanent magnet under different polarity poles are designed into different shapes, namely, the magnetic isolation bridge structure of the magnetic pole under the same polarity is symmetrical, and the magnetic isolation bridge structure of the magnetic pole under the different polarity polarity is asymmetrical; The size of magnetic barrier under one pole is smaller than that under the other pole, which increases the magnetoresistive torque and decreases the harmonic density of air gap without increasing the permanentmagnet. The motor has advantages that: 1) The magnetic barrier angle of permanent magnet under different magnetic poles is designed to be asymmetrical, which is similar to butterfly wings. The magnetic barrier under one pole is short wings, and the magnetic barrier under the other pole is long wings, the motor has the advantages of high magnetoresistive torque proportion and high torque density; 2) harmonic content of the magnetic density of the air gap is reduced and low torque ripple is achieved, 3) simple process and convenient fabrication are achieved.

The invention discloses a nano iron having a butterfly wing microscopic hierarchical structure. The nano iron is coated with a carbon layer and has a butterfly wing microscopic hierarchical structure; and the particle diameter is 10-80nm. The invention also discloses a preparation method of the nano iron, which comprises the pretreatment of the butterfly wing, the impregnation with a precursor solution and the sintering of the butterfly wing after the impregnation. The carbon-layer-coated nano iron having a butterfly wing microscopic hierarchical structure has the advantages of oxidation resistance, fine magnetic performance and high chemical stability; based on the fine magnetic performance, the nano iron can be prepared into high-density magnetic recording materials, magnetic shielding materials, magnetic medicament carriers, optomagnetic coupling sensors and other products; and based on the characteristics of large surface area and good stability, the nano iron can be prepared into catalysts having fine performance. The preparation method of the carbon-layer-coated nano iron having a butterfly wing microscopic hierarchical structure has the advantages of energy saving, low cost, safety, simplicity, stability, less time consumption and the like.

The invention belongs to the technical field of micro-nano machining, and specifically to a method for preparing a bionic micro-nano structure of a butterfly wing. The method of the invention comprises the steps as follows: firstly using a spin-coating method to alternately spin a plurality of layers of photoresist with different sensitivities in turn on a silicon substrate; then using electron beam lithography to expose the photoresist; then using two developing liquids to alternatively develop the exposed sample; finally preparing hierarchical periodic or quasi-periodic bionic micro-nano structure with excellent characteristic, such as morpho bionic micro-nano structure, and so on. By combining with technologies of the plurality of layers of the photoresist and electron beam lithography, the preparation process of the invention does not need a biological template and could control the spin-coating thickness of every layer of the photoresist to achieve accuracy control of longitudinal dendritic cycle and duty ratio. The method of the invention is simple in preparation technology and could obtain the bionic micro-nano structures of the butterfly phosphorus wing with different structure parameters.

The invention discloses a nano-particle system with an antireflection microstructure and a preparation method of the nano-particle system as well as a method for preparing an optical energy absorber of a solar heat collector by using the nano-particle system and the solar heat collector. The method for preparing the nano-particle system comprises the steps of selecting and preprocessing of butterfly wings, settling of precious metal nano-particles, settling of sulfur group semiconductor nano-particles and the like. Large scale is realized by the prepared nano-particle system, and the nano-particle system has the antireflection microstructure of the butterfly wings. The anno-particle system has high-absorption and reflection performance nearly in the whole solar spectral band, has excellent photothermal converting performance and has the photothermal conversion efficiency of 30.56%, and the solar energy absorption ratio of the optical energy absorber of the solar heat collector prepared by the nano-particle system can achieve 98%.

The invention provides a periodic SiO2 flaky nano structure. The length of the periodic SiO2 flaky nano structure is 125-130 mu m, the width of the periodic SiO2 flaky nano structure is 65-70 mu m, the tail end of the periodic SiO2 flaky nano structure is provided with 4-5 sawteeth, the surface of the periodic SiO2 flaky nano structure is of a periodically distributed strip-shaped structure, and the distribution period of the strip-shaped structure is 2.6-3 mu m. The invention also provides a preparation method of the periodic SiO2 flaky nano structure. The periodic SiO2 flaky nano structure is prepared by utilizing a sol-gel method by taking a butterfly wing as a template and tetraethoxysilane as a raw material. The periodic SiO2 flaky nano structure can be subjected to large-scale preparation on a glass slide, has the characteristics of good periodicity and regular topography, and can be applied to special gratings or other optical devices and the like in the field of optics.

The invention discloses a composite solid soluble semiconductor coupled carbon-based nanoparticle film having an anti-reflection micro-nanometer structure and a preparation method thereof. The method comprises such steps as selection, pretreatment and activating treatment of butterfly wings, chemical deposition of metal/semiconductor coupled nanoparticles on the butterfly wings and vacuum carbonization of the butterfly wings. The method for preparing the composite solid soluble semiconductor coupled carbon-based nanoparticle film having the anti-reflection micro-nanometer structure uses the butterfly wings for preparing the composite solid soluble semiconductor nanoparticle film, and is simple in preparation process, safe, stable, low in cost and low in energy consumption; and the prepared nanoparticle film realizes macroscopic large scale, and has the anti-reflection micro-nanometer structure of the butterfly wings. The film has high absorption anti-reflection performance in an infrared spectral band, has excellent infrared photothermal conversion performance and photoelectric effect to realize infrared heat auxiliary infrared detection, and can be applied to infrared photoelectricity and infrared detection.

The invention discloses a synthesis method for loading cobaltosic oxide on butterfly wings as a biological template and an application thereof. According to the detection of the Co3O4-biological template composite material prepared by the synthesis method, the concentration of methanol gas is reduced to 50ppm, the response time is 36-90s, and the recovery time is 39-92s. According to the Co3O4-biological template composite material prepared by the synthesis method disclosed by the invention, the specific surface area of the Co3O4 material is increased, the dimensionality of the Co3O4 material is changed, and the synthesis method has the advantages of low implementation cost, easiness in operation, short time and high efficiency and economy. In methanol detection, the Co3O4-biological template composite material disclosed by the invention increases the binding rate between the gas molecules and the Co3O4 nano structure, reduces the response time and recovery time of the Co3O4 material and improves the sensitivity, stability, selectivity and response precision.

A manufacturing method of wing nuts has a round metal wire cut into segments used as billets. The method includes a basic formation directly forging the billet to become a primary body consisting of an intermediate head and two curved wings connected with two ends of the intermediate head respectively, a wing trigging employed for forging the wings of the intermediate head to become butterfly wings with a curved edge and an edge formation effected by forging the intermediate head to form a positioning groove in the center of the top and the bottom side respectively. Then the semi-finished product is finished by drilling and threading. By this method, manufacturing processes can be shortened to obtain a rapid producing rate and lessen waste volume, lowering cost and advancing competition.

The invention discloses a method for preparing a butterfly-scale-structure material through micro-nano laminated film slitting. The method comprises the following steps that 1, micro-nano laminated films are subjected to layered lamination and extrusion film forming to be machined into composite thin films with the thickness ranging from 30 micrometers to 100 micrometers; 2, the simple-layer films obtained in the first step are slit into continuous butterfly-scale-structure material flat filaments through a thin film slitter; 3, each continuous butterfly-scale-structure material flat filament serves as a group and is heated through a heating device; 4, the continuous butterfly-scale-structure material flat filaments obtained in the third step are output to a winding forming device, and continuous butterfly-scale-structure material flat filament bobbins are prepared. According to the method for preparing the butterfly-scale-structure material through micro-nano laminated film slitting, by means of the characteristic that a color effect generated by special micro-nano structures on butterfly wings is a typical structural color, an important research direction is opened in bionics.

The invention relates to a safe intravenous infusion needle which comprises a needle cylinder, a butterfly wing, a steel needle, a needle seat and an infusion pipe. The outer wall of the needle seat is provided with an elastic arm, the elastic arm comprises a cantilever part and a bending part formed by downward bending a first end of cantilever part, the bending part is connected with the needleseat, and a second end of cantilever part is provided with an upward raised convex tooth. The cylinder wall of the needle cylinder is provided with an upward raised bump part, and the inner wall of the bump part forms a sliding slot. The cylinder wall of the needle cylinder in front of an inlet of the sliding slot is provided with a first lock hole capable of accommodating the convex tooth, and the top of the bump part is provided with a second lock hole capable of accommodating the convex tooth. During the assembly state, the convex tooth of the cantilever part stretches out from the first lock hole, and the top of the convex tooth is higher than the bottom of the sliding slot. After puncture is completed, the infusion pipe is pulled back; when the convex falls into the second lock hole,the point of the steel needle is hidden in a central through hole of the needle cylinder. The invention can prevent a used steel needle from being exposed outside the needle cylinder to injury people.

The invention relates to a method for preparing a magnetic photonic crystal on the basis of biological templates of single scales of a butterfly wing. The method comprises the steps of: carrying surface pretreatment on a whole butterfly biological template; preparing a precursor metal-sol gel solution; placing the treated biological template in the prepared precursor solution for soaking treatment; after the soaking, taking out a sample, flushing by distilled water and drying; under the help of a microscope, selecting soaked single scales and drying by using a drying oven; roasting to remove the biological templates of the single scales to obtain a single butterfly scale ferric oxide material keeping a photonic crystal structure; and further sintering and reducing under hydrogen-argon mixed gas to obtain a single butterfly scale magnetic ferroferric oxide material keeping the photonic crystal structure. The prepared single butterfly scale magnetic material with the natural photonic crystal structure has good response to magnetism and light, can be controlled within a scale range from nanometer to micrometer and has a potential application prospect in the field of magneto-optical communication devices.

The invention relates to a large-caliber anal tube drainage device, which is characterized by comprising a large-caliber drainage tube and a drainage bag connected with the drainage tube, wherein an inflatable air bag which has a butterfly wing shape when inflated is arranged on the outer wall of the top of the drainage tube; an inflation tube is arranged on the inner wall of the drainage tube; an inflation nozzle with a gas plug is arranged on the outer wall of the bottom of the drainage tube and communicated with the inflatable air bag through the inflation tube; and the bottom of the drainage tube is connected with the drainage bag. The device can be used for draining loose stool in the rectum of a patient, has a simple structure and is conveniently and reliably used, the drainage tube is difficultly separated from an anal tube, the stool cannot leak, cleanliness and sanitation are achieved, and the patient does not have obvious discomfort and can conveniently walk and act.