12 results about "Membrane array" patented technology

The application relates to a preparation method of a high-frequency dynamic response flexible thin film array sensor based on alveolar biomimetic structure, and belongs to the technical field of pressure sensors. First, a flexible polymer thin film is spin-coated on a glass sheet and solidified, a metal thin film is deposited on the surface of the flexible polymer thin film, a photoresist is spin-coated on the surface of the metal thin film, and the photoresist and the metal thin film are patterned; second, photoresist type polyimide is spin-coated on the surface of the patterned metal thin film, and the photoresist type polyimide is patterned to expose only the interdigital unit area and the pad area; third, a pressure sensitive layer microstructure prepared from a nano-composite material is integrally bonded with the interdigital area of the encapsulated photoresist type polyimide sheet; and finally, high-temperature-resistant silicone rubber is spin-coated on the surface of the pressure sensitive layer to obtain a flexible piezoresistive sensor. The application has high-frequency response characteristics and high sensitivity, can be seamlessly attached to the inner wall of a complex curvature casing, can realize in-situ high-fidelity capture of the space-time distribution of wind pressure in a high-temperature and limited space environment, and provides a data cornerstone for intelligent perception and active flow control of a turbine engine.

The application is a method for arraying adhesive film, applied to the field of adhesive assembly, aiming to realize batch adhesive film laying of small ring-shaped parts. Specifically, it is a method for arraying adhesive film of small ring-shaped parts. A release cloth is pasted on one side of a laying template; a threaded bowl-shaped part with surface treatment is laid in the template hole and pasted on the release cloth; the adhesive surface of the bowl-shaped part is sprayed with primer, and dried and baked; the release cloth together with the bowl-shaped part is torn off and laid flat on a workbench; a numerical control cutting machine is used to cut off the adhesive film in the diameter area of the boss of the bowl-shaped part; the method can batch paste the adhesive film of the bowl-shaped part, and is convenient and fast to operate; the numerical control cutting is used to remove the redundant part, greatly reducing the workload of manual cutting.

The present application belongs to the technical field of micro-nano structure preparation, and particularly relates to a method for adjusting ordered arrangement of single-layer nano microsphere array by using continuous sound waves. The method comprises the following steps: S1. washing a substrate and performing hydrophilic treatment; S2. preliminarily forming a single-layer film array by self-assembly of nano microsphere suspension liquid through a gas-liquid interface; S3. adjusting the single-layer film array of nano microspheres prepared in step S2 by using continuous sound waves, so that the single-layer film array presents ordered arrangement; and S4. gathering the ordered microsphere array prepared in step S3 and transferring the ordered microsphere array to the substrate treated in step S1, and evaporating residual water of the sample. The present application can improve the ordered degree of arrangement of the nano microsphere array, solves the problems of defects in the array formed by the traditional preparation method and the problem that the unequal spacing between units cannot be independently changed, provides a brand-new reference scheme for preparation of large-area ordered array by nanosphere lithography technology, and brings a new breakthrough for NSL technology.

Compositions comprised of nanodiscs and methods for their manufacture are provided. The methods comprise contacting lipid or synthetic lipid analogues with one or more nanopores in aqueous solution, thereby forming a membrane vesicle that encompasses the one or more nanopores embedded within the membrane vesicle; contacting the one or more membrane vesicles with a nanodisc forming polymer; and generating a nanodisc composition wherein the nanodisc forming polymers solubilise the membrane vesicle and encircle the one or more nanopores embedded within the membrane vesicle so as to form a plurality of nanodiscs. The nanodiscs may be used to facilitate incorporation of protein or nucleic acid nanopores into flow cell or membrane array nanopore sensor devices.

A contactor module for a contactor panel includes a frame member and a contactor media coupled to the frame member. The contractor module defines a first side and a second side. The contactor media includes at least one first membrane array including a plurality of first hollow fibers extending along a first fiber axis. The at least one first membrane array defines a first axis. Further, the contactor module includes at least one second membrane array including a plurality of second hollow fibers extending along a second fiber axis. The at least one second membrane array defines a second axis. The at least one first membrane array and the at least one second membrane array is disposed such that a first inclination angle is defined between the first axis and the second axis. Moreover, the first inclination angle is greater than zero degree and less than 180 degrees.

This invention discloses a mapping catheter tip and its preparation method. The mapping catheter tip includes a flexible film, electrodes, electrode wires, a support member, and a tube body. The flexible film includes a surface film and a base film. The electrodes are arrayed on the base film, and each electrode is individually connected to an electrode wire. One end of the electrode wire is integrated into the flexible film, and the other end extends into the tube body. The surface film has a perforated structure, with the electrodes exposed from the perforations. The support member includes at least one support arm, at least one side of which is bonded to the flexible film. The proximal ends of the support arms converge and are bonded to a joint portion of the support member, which is then fixed within the tube body. Integrating the electrode and electrode wire components into the flexible film simplifies the electrode installation process for high-density mapping catheters with multiple electrodes, improving production efficiency. This invention distributes the electrodes within the flexible film, thus making the design independent of the support member. The support member can adopt various forms.

The application provides an unfoldable flexible film array and an unfolding method thereof, and relates to the technical field of flexible space unfolding structures. The unfoldable flexible film array comprises at least one unfoldable flexible film unit; one of the unfoldable flexible film units comprises a flexible film monomer, at least two supporting frames and at least one unfoldable connecting rod, each supporting frame is arranged at intervals along the unfolding or folding direction of the flexible film monomer, one side of each supporting frame is connected to the flexible film monomer, and adjacent two supporting frames are connected through the unfoldable connecting rod. The stability and unfoldability of the structure are ensured, the number of the unfoldable flexible film units or the assembly form can be conveniently increased or adjusted according to needs by adopting a modular design concept, the customized unfoldable flexible film array is realized to adapt to different application scenarios and needs, and the adaptability of the product and the flexibility of the user are improved.

The utility model provides a stack-up type water absorption folding ground mat which comprises a connecting bottom film and a plurality of base plates arranged on the connecting bottom film in an array mode, adhesive glue used for adhering the bottom sides of the base plates is arranged on the upper surface of the connecting bottom film, step faces are arranged on the side portions of every two adjacent base plates, and the step faces comprise the front step face arranged on the side portion of one base plate and the rear step face arranged on the side portion of the other base plate. The two adjacent base plates are connected in an abutting mode through the front step faces and the reverse step faces to form a plane. Compared with a hard plate type water-absorbing floor mat of an integrated plate-shaped structure, the folding type water-absorbing folding floor mat is small in occupied space after being folded, avoids impact between the hard plate type water-absorbing floor mat and the ground when being unfolded and laid, is safer and more reliable in laying, is small in gap between the base plates after being unfolded, and is not prone to falling off. The connection between the two base plates is firm and reliable, the stacking effect is achieved, and the applicability of the hard plate type water absorption floor mat in the home environment is improved.

The invention discloses a three-phase interface self-assembly gold nano triangular single-layer film array SERS (Surface Enhanced Raman Scattering) substrate based on PVP (Polyvinyl Pyrrolidone) concentration and halide ion dual optimization and application thereof, and aims to solve the problems of poor uniformity, poor reproducibility and insufficient multi-target detection capability of the existing SERS substrate. According to the technical scheme, the method comprises the steps that AuNTs colloid is prepared and purified, ligands are optimized through a 0.001%-0.1% PVP-ethanol solution, an AuNTs single-layer film is formed through three-phase interface self-assembly, and then a 5-40 mM halogen ion solution is used for treating and reducing array gaps; and the optimal condition is 0.01% PVP (Polyvinyl Pyrrolidone) and 20mM NaCl. The substrate can realize high-sensitivity detection on malachite green (detection limit of 0.05 mu g / L) in aquatic products, pirimicarb (detection limit of 10 mu g / L) in vegetables and beta-carotene (detection limit of 0.05 mu g / mL) in apricots, the relative standard deviation is less than or equal to 6.75%, multi-target simultaneous detection can be realized, and the substrate is suitable for rapid quantitative analysis of food safety.

The invention discloses a flexible cornea array sensor for electrooculogram physiological detection and a preparation method of the flexible cornea array sensor. The sensor comprises a flexible substrate, the flexible substrate is provided with a curved surface structure matched with the curvature of the cornea; the transition layer is arranged on the upper surface of the flexible substrate; and the plurality of interconnection wires are processed and formed on the transition layer by liquid metal composite conductive ink to form a predetermined array interconnection pattern, and each interconnection wire comprises a sampling bonding pad located at the sampling end, a leading-out bonding pad located at the tail end and the like. Through the structure and process of liquid metal composite conductive ink, the affinity transition layer, the silver nanowire / sodium alginate composite stable coating and overall packaging forming, the low-interface and stable impedance characteristic of the cornea electrode is achieved; under the condition of eyeball micro-motion, motion artifacts are effectively reduced, and the consistency and repeatability of collected waveforms are improved; and meanwhile, the method is compatible with single-electrode full-view ERG detection and cornea space potential distribution measurement of a multi-electrode array.