13results about How to "Good conformability" patented technology

The degradable breast prosthesis shaping net bag with the heterogeneous hierarchical porous structure is composed of the large-aperture structure layer and the micro-aperture structure layer, the large-aperture structure layer and the micro-aperture structure layer are formed by combining degradable fibers in a staggered mode, the degradable breast prosthesis shaping net bag and the breast prosthesis are perfectly conformal, and the mechanical property and the tissue adhesion property needed by the net bag are provided; the two cooperate to realize the integration function of the prosthesis and the tissue, and an additional suture fixing device is not needed; the overall shape of the net bag is designed to be the hemispherical upper cover and the lower end cover edge, the process of adding the net bag and a prosthesis is simplified, the operation efficiency is improved, the net bag has excellent mechanical performance and shaping capacity, the micropore structure is beneficial to adhesion and immigration of cells, rejection reaction of a body is reduced, the incidence rate of capsular contracture is remarkably reduced, and the net bag is suitable for popularization and application. The invention has the characteristics of hierarchical porous structure design, mechanical shaping capability customization and capsule contracture prevention, and provides an innovative breast prosthesis shaping and biological performance improvement scheme for breast cancer patients.

The invention discloses an electromagnetic shielding case and a circuit board, the overall mechanical property of the electromagnetic shielding case is adjusted by limiting the elastic modulus E1 of an insulating layer and the elastic modulus E2 of the electromagnetic shielding case to meet the condition that E2-E1 / E2 is greater than or equal to 0.95 and less than 1, so that the insulating layer can play a role in supporting and protecting, the stress borne by the electromagnetic shielding case is reduced, and the service life of the electromagnetic shielding case is prolonged. Therefore, the electromagnetic interference between the components can be avoided in the device gap with a smaller gap, the conformal capability of the electromagnetic shielding cover to the circuit board is improved, and the shielding effect is improved.

This application relates to the field of micro-mechanical component manufacturing technology, and discloses a manufacturing process for a worm gear in a humanoid robot's dexterous hand, comprising: S1, preparing a sacrificial layer template with a three-dimensional negative mold and a micro-anchoring structure using photolithography; S2, conformally depositing a functional surface shell using atomic layer deposition (ALD) and forming corresponding prefabricated physical interlocks thereon; S3, depositing an intermediate bonding layer with a material composition gradient; S4, melting a metal material using additive manufacturing to form a structural body, wherein in S4, the high-temperature molten metal undergoes atomic diffusion to form metallurgical bonds when in contact with the intermediate bonding layer, and simultaneously fills into the prefabricated physical interlocks and solidifies to form a micro-mechanical interlock; and S5, removing the sacrificial layer template. This invention achieves a strong bond between the metal substrate and the ceramic shell through the synergistic effect of metallurgical bonding and micro-mechanical interlocks, producing a heterogeneous composite worm gear that is hard on the outside and tough on the inside, and is precisely formed.

The utility model discloses a metasurface unit for conformal design. The metasurface unit comprises a bottom layer, a first dielectric layer and a metal pattern layer which are stacked in sequence, the metal pattern layer comprises a first metal layer, a first active control element and a second active control element; the first metal layer is provided with a first rectangular hollow hole and a second rectangular hollow hole; a first metal patch is arranged in the middle of the first rectangular hollow hole, and a second metal patch is arranged in the middle of the second rectangular hollow hole; the first metal patch is provided with a first conductive through hole, and the second metal patch is provided with a second conductive through hole; the first metal layer also has a third conductive via. The metasurface unit provided by the utility model has relatively high conformal capability and relatively good electromagnetic performance at the same time.

The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin, wherein a shear storage elastic modulus at 85°C is 0.06 × 106 Pa or more and 1.00 × 106 Pa or less, the pressure-sensitive adhesive film comprises no plasticizer or comprises less than 20 parts by mass of a plasticizer based on 100 parts by mass of the thermoplastic resin, and a gel fraction is 15% or less. The laminate of the present invention comprises the pressure-sensitive adhesive film of the present invention, a first organic material substrate, and at least one base material of a second organic material substrate and an inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprise the laminate of the present invention. The present invention can provide a pressure-sensitive adhesive film excellent in level-difference conformability, bleed performance and recyclability, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate.

The application discloses a composite lithium-magnesium alloy negative electrode and a preparation and application thereof. After a fluorinated copolymer solution is uniformly loaded on the surface of a three-dimensional conductive framework, the three-dimensional conductive framework is combined with a lithium-magnesium alloy foil in a sandwich arrangement mode, and then the combination is obtained through mechanical rolling. The three-dimensional conductive framework material effectively reduces the size of the local current density, and can also provide sufficient accommodation space for the deposition of metal lithium. The elastic self-adaptive interface rich in LiF formed by using the fluorinated copolymer can accelerate the ion transmission at the interface and maintain the stability in a long cycle process. The lithium-magnesium alloy with the lithium affinity induces the uniform deposition of lithium ions, and the growth of dendrites is inhibited, so that the composite lithium-magnesium alloy negative electrode material with the fluorine-rich lithium elastic self-adaptive interface is constructed.

The application discloses a kind of nanofiber membrane for conformal packaging and preparation method, it belongs to precision instrument packaging material field, wherein, the preparation method of nanofiber membrane includes the following steps: biomass glue is added to first solvent with plant and is stirred, ultrasonic treatment, then is centrifuged and freeze-dried, obtain biomass glue;Polymer matrix material is added to second solvent and is dissolved, then the biomass glue is added and is mixed, obtain spinning precursor liquid;The spinning precursor liquid is electrospun, obtain nanofiber membrane;The nanofiber membrane is exposed in the vapor of crosslinking agent volatilization and carries out crosslinking reaction, obtain crosslinked nanofiber membrane.The crosslinked nanofiber membrane prepared by the application has superfast shrinkage response to water vapor, has the characteristics of high conformability and high adhesion, can meet the demand of modern packaging industry to high efficiency, environmental protection and intelligent, has good application prospect in precision instrument packaging field.

This invention relates to the field of medical device protection, and particularly to a disposable sterile coating, preparation method, and cup-shaped medical device for preventing bloodborne infectious diseases caused by contact between the surface of medical devices and wounds. Before film formation, the coating is a uniformly mixed solution containing the following components: 10-70 parts by weight of prepolymer resin; the prepolymer resin is selected from lactide prepolymer, acrylate prepolymer, polycyclopropane carbonate, polypropylene fumarate, or combinations thereof with a molecular weight of 500-10000 g / mol. The disposable sterile coating of this invention can be photocured within 20-60 seconds to form a uniform protective film, greatly improving the efficiency of medical operations, especially suitable for emergency medical situations. Through liquid dip coating, the coating can perfectly adapt to medical devices of various shapes and sizes, solving the problem that pre-made films cannot adapt to various shapes.

The invention relates to a method for preparing a high-stability interface circuit through aerosol printing. The method comprises the steps that S1, a flexible substrate is prepared; s2, preparing conductive ink; and S3, printing a circuit. The conductive material is in seamless contact with a flexible substrate, and the good adhesion and conformality of the conductive material can meet the requirement that the conductive material does not fall off in the application process of bending, stretching and scraping of flexible electronics, and the lasting and good conductive performance is kept; patterned circuits and circuits with high-stability interfaces can be obtained at the same time, and the method can be used for electronic information products such as precise electronic circuits, antenna technologies, sensitive components and other electronic components and has high practical application value.

The invention discloses a 3D deformable variable-rigidity skin based on a laminar blocking mechanism and a preparation method thereof, which relates to the field of robot technology and comprises a lower silicone rubber membrane, a group of columns, a group of discrete blocking elements, a vacuum tube and an upper silicone rubber membrane, wherein a group of columns are arranged on the surface of the lower silicone rubber membrane, each column is sleeved with a plurality of layers of discrete blocking elements, wherein the multi-layer discrete blocking elements constitute a blocking layer, one end of the vacuum tube is arranged on the lower silicone rubber membrane, and the other end thereof is connected to a vacuum pump, and the upper silicone rubber membrane is coated and sealed on the lower silicone rubber membrane, and by adopting discrete blocking elements instead of traditional whole-piece blocking elements and adopting multi-layer blocking elements, the skin has better flexibility, and at the same time, when greater rigidity is required, greater rigidity can be provided, thereby having better environmental adaptability.

The present application relates to a kind of unmanned flight platform tail wing conformal dual-band antenna, including base, further comprising: radiator circuit board, with the upper end of base fixed connection;Radiation circuit and ground circuit are provided on the first, second waveband of radiator circuit board;First, second waveband radiation circuit is arranged on the first face of radiator circuit board, and it is interval distribution along the length direction of radiator circuit board;Ground circuit includes the ground hole expansion array of being arranged below second waveband radiation circuit and the common ground line of being arranged on the second face of radiator circuit board, common ground line is electrically connected with first, second waveband feed circuit;With tail wing conformal radome, antenna cavity is formed between radome and base, and radiator circuit board is arranged in antenna cavity;Support structure, it is arranged in antenna cavity;First waveband feed cable and second waveband feed cable.The present application can realize the dual-band antenna compound in tail wing conformal antenna of independent work, and replace the aerodynamic function of vertical wing.

The invention discloses a honeycomb enhanced in-situ foaming polyimide wave-absorbing foam composite material which is prepared by the following steps: S1, adding aromatic dianhydride, aromatic diamine, triethanolamine, a foaming agent, dibutyltin dilaurate, epoxy resin and a hydroxyl chain extender into an organic solvent, uniformly mixing, adding wave-absorbing functional particles, and uniformly dispersing to obtain a component A; taking polymethylene polyphenyl polyisocyanate as a component B, and uniformly mixing the component A and the component B to obtain a polyimide foaming precursor solution; and S2, pouring the polyimide foaming precursor solution into a mold filled with a honeycomb core material, standing at room temperature for 2-6 hours to enable foam to grow in pores of the honeycomb core material in an in-situ confinement manner, then putting a semi-finished product under a vacuum condition for thermal imidization treatment, and demolding after cooling to obtain a target object. According to the method disclosed by the invention, the precursor solution is subjected to in-situ chemical foaming in the honeycomb pores by a one-step method, and the prepared composite material has excellent wave-absorbing property and mechanical property.

The invention relates to the technical field of sensors, and discloses a multi-dimensional perceptual driver, an identification method, a tactile interaction system and application, the perceptual driver comprises a resistance sensing layer, a capacitance sensor and a limiting layer; the resistance sensing layer is used for sensing the direction of force and comprises a first thin film layer, a plurality of flexible resistance sensors distributed in all directions, a second thin film layer and a gas channel layer. The capacitance sensing layer is used for sensing the magnitude of force and sequentially comprises a first flexible electrode, a first dielectric layer, a second dielectric layer, a third dielectric layer and a second flexible electrode from top to bottom, a through hole is formed in the middle of the second dielectric layer, a notch is formed outwards in the through hole, and a gas channel is formed; the limiting layer is used for limiting deformation of the gas channel layer and the second dielectric layer. According to the invention, the plurality of flexible resistance sensors are added to the resistance sensing layer on the surface layer, so that detection of different contact force directions is realized; pressure detection is carried out more accurately through multi-dimensional data fusion, interference is avoided, and the sensing precision is improved.