344 results about "Conductive ink" patented technology

There is described an artificial intelligence wearable ECG skin patch (400) to detect sudden cardiac arrest. The wearable ECG monitoring patch (400) with AI based predictive analytics and remote based cardiac monitoring (615) system that can detect cardiac arrhythmias automatically in real-time and make a diagnosis with AI models trained with acquired data. The wearable skin has a biocompatible polymer patch (400) which captures the electrical signal through a flexible printed electronic technology based conducting ink and a substrate. The microcontroller controls (201), store and transmit the data packets. The IoT connected signal transmission is capable of recording and transferring the data packets through wireless communication. The AI engine is capable of analysing, evaluating, testing and providing the data packets of sudden cardiac arrest through a peak detector algorithm. The ECG skin patch (400) to detect and measure the sudden cardiac arrest with the R-R interval time series to obtain heart rate variability.

An apparatus, system, and method for providing a moisture supplementation detection device. The moisture replenishment detection device includes: a flexible substrate having a circuit screen-printed therein, the circuit including a plurality of conductive ink layers and a dielectric ink layer; a sensor on the flexible substrate, wherein the sensor is capable of detecting element data indicative of a characteristic of sweat; an untreated chromatographic paper placed in contact with the skin of the user and capable of wicking sweat from the skin to the sensor along the micro-sized fluid channel; and a Bluetooth antenna on the flexible substrate and in communication with the sensor, and capable of wirelessly communicating the element data to an application capable of indicating to the user the user the suitability of moisture replenishment based on the element data.

Examples include a functionalized compressible nonwoven material (CNM) cushion with a three-dimensional (3D) pressure-varying electrical conductance (PVEC) region. Integrated with the PVEC surface area is a conductive ink printed on thermoplastic film (CPT) single-sided conductance measurement coupling. The CPT single-sided conductance measurement coupling includes, on the thermoplastic film, N pairs of contact pads and N pairs of pad connection traces. The N pairs of contact pads are maintained, by thermoplastic adhesion, in direct electrical contact with the PVEC surface areas. The N pairs of connection traces extend from the N pairs of contact pads to trace terminals. A conductance measuring circuit selectively applies, via the N pairs of connection traces, voltage and a path to ground to the pairs of contact pads, and measures the resulting current.

The invention discloses a manufacturing method of a flexible electronic skin light source, which comprises the following steps: cutting a base material to obtain a base material raw material with a required size; obtaining conductive silver paste, mixing the conductive silver paste with a diluent, and uniformly stirring to prepare conductive ink; printing conductive ink on the surface of the base material raw material according to a preset circuit pattern by using screen printing equipment to obtain a base material circuit diagram; placing a light source patch at a corresponding position of the substrate circuit diagram, and electrically connecting the light source patch with the circuit diagram by adopting welding equipment to obtain an electrically connected light source patch substrate; laminating a polyimide reinforcing material on the back surface of the light source patch to obtain a flexible light source semi-finished product; the flexible light source semi-finished product is packaged, the flexible light source semi-finished product is completely wrapped, and the flexible electronic skin light source is obtained; the flexible electronic skin light source manufactured through the method can be bent in any direction, the bending frequency of the flexible light source is greatly increased, and the service life of the flexible light source is greatly prolonged.

Provided are a conductive ink capable of forming metal wiring having low volume resistivity, a method for producing a copper-nickel sintered film, and a copper-nickel sintered film.　This conductive ink comprises copper particles, a copper complex, and a nickel complex, the copper complex being a complex represented by Cu(HCOO)2(L)m and the nickel complex being a complex represented by Ni(HCOO)2(L)n, where L is at least one selected from the group consisting of 2-amino-2-methyl-1-propanol, 1-amino-2-propanol, 2-amino-1-butanol, 2-(methylamino) ethanol, and 2-aminoethanol, m is a natural number of 2-6, and n is a natural number of 2-6, the ratio of copper contained in the copper complex to the total of the copper particles and the copper contained in the copper complex being 0.5-15.0 mass%, and the ratio of nickel contained in the nickel complex to the total of the copper particles, the copper contained in the copper complex, and the nickel contained in the nickel complex being 0.5-7.0 mass%.

The invention provides a preparation method of high-conductivity composite graphene, conductive ink and application thereof, and the preparation method comprises the following steps: dispersing graphene into a solvent to obtain a graphene dispersion liquid; adding a silane coupling agent with an amino group into the graphene dispersion liquid, and reacting to obtain aminated graphene; and adding a first dispersing agent into the aminated graphene, adding silver powder after uniform dispersion, and grinding to form an Ag-N coordinate bond between the silver powder and the aminated graphene, thereby obtaining the high-conductivity composite graphene. In the preparation method of the high-conductivity composite graphene provided by the invention, a silane coupling agent with an amino group is added into a graphene dispersion liquid, amination modification is completed through a condensation reaction with a hydroxyl group on the surface of the graphene, silver powder and the amino group of the graphene form an Ag-N coordinate bond, so that silver particles are completely coated with the graphene, a continuous C-Ag-C conductive network is constructed, and the high-conductivity composite graphene is obtained. According to the network, path breakpoints are reduced, interface contact resistance is reduced, charge transmission efficiency is improved, conductivity reduction after graphene compounding is effectively inhibited, and high conductivity and high heat resistance are achieved.

The antenna module may include: an antenna board including a plurality of conductive layers and having an external hole formed to penetrate the plurality of conductive layers, the antenna board including a dielectric layer disposed between at least two conductive layers and having polytetrafluoroethylene; a plurality of radiation structures disposed on the antenna board; a plated through-hole formed to penetrate the dielectric layer and at least one of the plurality of conductive layers within the external hole and electrically connected to at least one of the plurality of radiation structures; and non-conductive ink disposed between the external hole and the plated through-hole. The thermal expansion coefficient of the non-conductive ink in the stacking direction of the plurality of conductive layers may be lower than the thermal expansion coefficient of polytetrafluoroethylene in the stacking direction of the plurality of conductive layers.

The invention discloses printing equipment for RFID antenna production, which comprises a printing table and a printing unit, a pressing mechanism is arranged on the top surface of the printing table, the pressing mechanism is used for pressing an RFID antenna base material and a template on the top surface of the printing table, the printing unit is arranged on the top surface of the printing table, and the printing unit comprises a scraping printing assembly and an adjusting assembly. The printing unit comprises a scraping and printing assembly and an adjusting assembly, the scraping and printing assembly is used for scraping and printing conductive ink on a template and an RFID antenna base material, the adjusting assembly is used for adjusting the scraping and printing assembly so as to scrape and print the RFID antenna base material and the template with different thicknesses, and the gathering unit is arranged on the outer side of the printing unit and used for gathering the diffused conductive ink. The gathering unit is arranged on the printing unit to ensure that the printing unit performs uniform scraping printing on the RFID antenna base material and the template, and the mixing unit is arranged on the outer side of the gathering unit and is used for mixing the stored conductive ink in real time.

A cell and tissue culture device and method to obtain same are disclosed. An embodiment includes a support electrode having a first electrically-non-conductive substrate sheet, a first patterned circuit made of a conductive ink applied on the substrate, a first plurality of patterned graphene dots connected to the first electrically conductive patterned circuit, a dielectric ink coating having patterned openings for exposing the graphene dots; a multi-well plate having a plurality of wells that receive the culture; a lid electrode having a second non-conductive substrate sheet; a second patterned circuit made of a electrically conductive ink applied on the substrate, a plurality of inserts; a second plurality of patterned graphene dots connected to the second electrically conductive patterned circuit. Each graphene dot is arranged on an insert to apply electrical stimulus to the culture and tissue, wherein the multi-well plate is between the support electrode-and the lid electrode.

The invention relates to the technical field of conductive ink preparation, discloses preparation equipment of metal-doped carbon composite material conductive ink, and solves the problems that metal and carbon composite materials are usually put into the equipment at a time during feeding of existing conductive ink preparation equipment, and materials are caked when a large number of materials enter a solution together, so that the production efficiency of the conductive ink is improved. The device comprises a mixing tank, four supporting legs are annularly and fixedly installed at the bottom of the mixing tank at equal intervals, foot pads are fixedly installed at the bottoms of the four supporting legs, a feeding valve is fixedly installed on the upper portion of the surface of the mixing tank, and a discharging valve is fixedly installed on the lower portion of the surface of the mixing tank. A mounting cylinder is fixedly mounted at the top of the mixing tank; a feeding hopper is fixedly mounted at the top of the mounting cylinder; according to the conductive ink preparation equipment, metal and carbon composite materials can be intermittently and uniformly fed into the equipment during feeding, and caking caused by the fact that a large number of materials enter a solution together is avoided, so that the preparation speed is increased, and the preparation quality is improved.

Materials and methods for metallizing target substrates and metallized structures formed according to these methods are provided. The methods generally involve the formation of a conductive seed layer on a target substrate. The conductive seed layer is formed using a conductive ink composition that is converted to a conductive metallic film on the target substrate. The conductive metallic film is then metallized using standard additive techniques such as electroplating. The methods can further include masking and unmasking steps and optional etching of the metallized surface to generate conductive patterned structures. Also provided are metallized structures that comprise a conductive seed layer on the target substrate and a metallized layer on the conductive seed layer. In some cases, the metallized structures are prepared according to the disclosed methods.

The application discloses a kind of high shielding property graphene conductive ink and preparation method thereof, wherein, the steps of preparation method include: graphene is treated with plasma activation, after being treated with modifier soaking, with deionized water, steric stabilizer ultrasonic dispersion is carried out, and activated graphene dispersion is obtained;Silver-coated carbon particle dispersion is prepared, mixed with amino-modified graphene, deionized water, catalyst I after, adjust pH to 7~8, ultrasonic treatment is carried out, and activated conductive filler is obtained;Silane coupling agent hydrolysate pretreatment polyamide acid resin is added to the activated conductive filler, thixotropic agent, anti-settling agent and leveling agent are preheated to 35~40 DEG C, after high-speed shearing and three-roll mill grinding treatment, high shielding property graphene conductive ink is obtained.Thereby the graphene conductive ink obtained is strong, shielding property is high, and excellent in performance, suitable for spraying or screen printing process.

The patent provides a MXene / CC / PEDOT:PSS high-conductivity ink and a preparation method thereof, and further prepares a high-performance flexible micro-supercapacitor through a 3D printing technology.The application takes the conductive polymer PEDOT:PSS as a spacer between MXene nanosheets, effectively prevents the stacking of MXene nanosheets, and provides more conductive paths.The mutual interaction between CC and MXene through hydrogen bonds and ionic bonds promotes the interface bonding force between them, resulting in high yield stress and unique shear thinning behavior.The "soft inside and hard outside" structure of CC improves the mechanical properties of the electrode and provides a certain capacity.The micro-supercapacitor prepared by the 3D printing technology has excellent electrochemical performance due to the synergistic effect of the electrode material and the unique structure, and has great application potential in the field of flexible energy storage.

The application discloses a conductive layer plating film equipment based on plastic material, which comprises an antiskid pad, a supporting seat, a storage table, a plastic base material and an ITO plating film layer, the supporting seat is fixedly installed at the upper end of the antiskid pad, the storage table is fixedly installed at the upper end of the supporting seat, the plastic base material is placed at the upper end of the storage table, the ITO plating film layer is sprayed on the outer side of the plastic base material, a film layer surface conductive ink is sprayed on the outer side of the ITO plating film layer, a groove is formed in the inner side of the plastic base material, a copper sheet is fixedly installed in the inner side of the groove, a barrier layer conductive ink is sprayed on the outer side of the copper sheet, and protective glue is sprayed on the outer side of the barrier layer conductive ink. The conductive layer plating film equipment based on plastic material is based on plastic material with complex or curved surface modeling requirements, when realizing the functions of power heating or conduction, the silver paste on the ITO plating film layer and the reserved or assembled metal electrode are connected through the conductive ink or glue in the reserved gap of the overall structure, so that the stability of the plating film is improved.

The invention is suitable for the technical field of anisotropic conductive film manufacturing, and provides an anisotropic conductive film based on ink-jet printing and a preparation method thereof, and the method comprises the following steps: S1, preparing conductive ink which comprises conductive particles, a binder and a solvent; s2, printing the conductive ink to the surface of a base material through ink-jet printing equipment according to a preset pattern and a preset interval to form a conductive particle array; s3, carrying out curing treatment on the conductive particle array; and S4, laminating and covering a bonding layer on the cured conductive particle array to obtain the anisotropic conductive film, according to the invention, a conductive film manufacturing process with low cost, digitization and strong controllability can be realized, the electrical property stability and the connection repeatability of a product are improved, and the requirements of micro-spacing electronic packaging, high-definition display devices and the like on high-precision particle arrangement are met.

The invention relates to the technical field of flexible electronic devices and conductive composite materials, and discloses a carbon nanotube assisted liquid metal dispersion method and application thereof in conductive ink and a flexible sensor. The method comprises the following steps: firstly, dispersing gallium-indium alloy and carboxyl-modified multi-walled carbon nanotubes in water in a mass ratio of 2: 1 through probe type ultrasound and water bath ultrasound respectively, then mixing the gallium-indium alloy and the carboxyl-modified multi-walled carbon nanotubes, and repeating the ultrasound process, so that liquid metal droplets are uniformly coated with the carbon nanotubes to form an LM (at) CNT composite dispersion liquid; adjusting the pH value of the dispersion liquid to 10.5-11.0, mixing the dispersion liquid with natural rubber latex, and adding super absorbent resin to prepare the conductive ink suitable for direct writing type three-dimensional printing. Through DIW printing and curing, the maximum GF value of the obtained flexible strain sensor in a strain interval of 1%-300% reaches 28, and the flexible strain sensor has resistance self-repairing performance, can accurately respond to human body part movement, and is suitable for the fields of wearable equipment, human body movement monitoring and the like.

The present disclosure provides a conductive ink composition comprising silver nanoparticles, a binder and a solvent, and has good stringiness when subjected to texture test. The conductive ink composition has good operability and can be printed to produce wiring patterns.

This invention discloses a fabrication process and control method for a free-curvature bionic artificial muscle fan blade, belonging to the field of bionic artificial muscle fan blade technology. It involves mixing sodium alginate, a natural polymer, with an ionic liquid to prepare a biomass gel electro-actuated membrane with high output force density and high strength at room temperature. A biomass gel conductive ink, made by blending gallium indium tin alloy with sodium alginate powder, is used as the electrode film. The resulting artificial muscle fan blade exhibits high energy conversion efficiency, low starting voltage, fast response speed, and higher structural strength at room temperature. Finally, the fan-shaped electrode is divided into several regions, which can be independently powered to control the curvature effect. This invention provides a simple fabrication process and control method for a free-curvature bionic artificial muscle fan blade, with stable structure, rapid deformation, and strong controllability, offering new ideas for the research and application of artificial muscle devices.

The invention belongs to the technical field of advanced materials and glucose detection, and relates to a 2D-MOF and MXene composite material, a printing type enzyme-free glucose sensor as well as a preparation method and application of the printing type enzyme-free glucose sensor. The preparation method of the composite material comprises the following steps: carrying out amination modification treatment on the MXene material; the MXene material subjected to amination modification treatment, nickel salt, BPY, TCPP and PVP are added into a mixed solvent of ethyl alcohol and DMF to be evenly mixed, and then a solvothermal reaction is conducted. The composite material has high catalytic activity, excellent conductivity and good dispersity, can be firmly attached to a flexible substrate, is high in stability, and can realize rapid and repetitive detection of glucose. The material can be prepared into conductive ink with good rheological property, is suitable for a printing process, can be used for preparing a wearable enzyme-free glucose sensor with high sensitivity and interference resistance, and has large-scale low-cost production potential.

The invention provides a semiconductor chip packaging method and a chip packaging piece, and the method comprises the steps: pouring packaging glue to the periphery and the bottom of a chip, and obtaining a packaging glue layer; coating conductive ink on the top of the packaging adhesive layer to obtain a prefabricated packaging piece; wherein the bottom edge of the conductive ink is in contact with the top edge of the electrode; coating an insulating material outside the target area of the prefabricated packaging piece; wherein the target area comprises a first area corresponding to the electrode and a second area which is connected with the first area and corresponds to the conductive ink; and preparing a conductive path in the target area through an additive manufacturing method to obtain a target packaging piece. The conductive ink is adopted to replace a metal seed layer, a fan-out pattern of a chip electrode or a connecting circuit between the electrodes can be directly printed according to the design requirement, the process steps of photoetching development, seed layer etching and the like are not needed, manufacturing of a patterned electroplating circuit is completed at a time, the process is simplified, and the manufacturing cost is reduced.

A method for configuring a sensor tag includes printing one or more antennas on a flexible substrate layer using conductive ink; depositing one or more sensors on the flexible substrate layer, wherein at least one of the one or more sensors is deposited in electrical contact with at least one of the one or more antennas; and applying a coating over the one or more sensors.

This invention relates to the field of flexible materials technology and discloses a method for fabricating a liquid metal composite sensor containing Ag microflakes using laser in-situ activation. The method includes ultrasonically treating liquid metal to obtain liquid metal particles, then thoroughly mixing these particles with a solution of the elastic polymer SEBS and silver microflakes to prepare conductive ink. This ink, combined with laser cutting and laser in-situ activation technology, is then used to fabricate a flexible strain sensor pattern. Finally, the sensor is fabricated through transfer packaging. This sensor, based on the self-healing properties of liquid metal and SEBS, combined with the conductivity of silver, forms a highly sensitive and stable composite material. Furthermore, the conductive network is optimized using laser scanning in-situ activation technology, overcoming the problems of complex fabrication processes and insufficient stability in existing flexible sensors. This flexible wearable sensor can be widely used in the field of human-computer interaction, real-time monitoring of finger bending, joint movements, and other actions, converting mechanical deformation into electrical signals for precise motion capture. This invention features a simple fabrication process, excellent performance, and system stability, and has broad application prospects.

A curable ink stack includes an insulating ink layer, a conductive ink layer disposed on at least a portion of the insulating ink layer, and a cover ink layer disposed on the conductive ink layer. The insulating ink layer includes a first surface resistivity and the conductive ink layer includes a second surface resistivity. The second surface resistivity is less than the first surface resistivity. The cover ink layer includes epoxy-based ink. When the curable ink stack is disposed and cured on the glass substrate to form a cured ink stack, the cured ink stack exhibits a total surface resistivity greater than or equal to 1.00 * 108 Omega.

The application discloses a flexible pressure sensor based on a bionic microstructure and a preparation method and application thereof, relates to the technical field of flexible sensing, and comprises a flexible electrode layer, an intermediate fixing layer, a microstructure sensing layer and a packaging layer which are sequentially attached from bottom to top, wherein the flexible electrode layer comprises a film base material and an interdigital electrode, the interdigital electrode is prepared by printing conductive ink on the film base material, the intermediate fixing layer is provided with a notch in the center for placing the microstructure sensing layer, and the microstructure sensing layer comprises a bionic microstructure elastomer and a conductive layer on the outer surface of the bionic microstructure elastomer.The application has the performances of high sensitivity, wide detection range, fast response, low detection limit and long-term stability, and has wide application prospects in the fields of human health monitoring and tactile perception.

Conductive ink compositions comprising gold complexes are provided. Also provided are methods of preparing the conductive ink compositions, methods of forming conductive structures from the conductive ink compositions, and structures formed from the conductive ink compositions. The conductive ink compositions preferably comprise a gold metal, an alkylamine ligand, and a solvent. The conductive ink compositions can be used to form conductive structures comprising gold, for example by inkjet or other printing methods, at temperatures of 300 °C or less. Such conductive structures can be formed on a variety of substrates.

An LED device comprises a substrate part and a light-emitting chip. The substrate part comprises a plate body, a circuit line, a conductive ink layer and a metal layer; the metal layer is laid on the board body to form the circuit line; the conductive ink layer is at least laid on the outer side of a part of the metal layer; and the light-emitting chip is electrically connected with the conductive ink layer. In addition, the utility model further provides a display screen formed by arranging the LED devices. Compared with the prior art, the LED device and the display screen thereof provided by the utility model can improve the contrast ratio between the circuit of the LED device and the surrounding environment.

This invention belongs to the field of transparent conductive film technology, specifically relating to a flexible transparent conductive film with ordered silver nanowires and its preparation method. The preparation method includes the following steps: preparing AgNW conductive ink; coating a first layer of silver nanowires onto a substrate surface, and drying the resulting monolayer silver nanowire wet film; coating a second layer of silver nanowires onto the surface of the monolayer silver nanowire film along a coating direction perpendicular to the first coating; drying the resulting bilayer orthogonal silver nanowire wet film and then cold rolling it to obtain a flexible transparent conductive film with ordered silver nanowires. This flexible transparent conductive film with silver nanowires exhibits high light transmittance, low sheet resistance, and low surface roughness.

The objective is to provide a non-pneumatic tire with improved electrostatic properties. [Solution] A non-pneumatic tire 1 comprising an inner cylinder 2 fitted onto a wheel, an outer cylinder 3 surrounding the inner cylinder 2 from the outside in the tire radial direction, a plurality of connecting members 4 arranged between the inner cylinder 2 and the outer cylinder 3 along the tire circumferential direction to connect the two cylinders, and a tread member 5 provided on the outer side of the outer cylinder 3 in the tire radial direction, wherein the inner cylinder 2, outer cylinder 3 and connecting members 4 are made of a resin composition, and at least on the connecting members 4 a conductive ink layer 6 mainly composed of one of the following materials is formed so as to be connected across the inner cylinder and the outer cylinder.

The application belongs to the field of photoelectric materials and devices, and discloses a method for preparing metal-doped graphene oxide conductive ink, which comprises the following steps: immersing a metal substrate into an aqueous solution of graphene oxide, and carrying out a redox reaction to obtain reduced graphene oxide ink loaded with metal oxide particles. The method realizes the preparation of reduced graphene oxide conductive ink loaded with metal oxide particles through in-situ spontaneous redox reaction of graphene oxide and the metal substrate. Compared with the traditional method for preparing metal-doped graphene ink, the method can realize in-situ low-temperature redox, avoids the use of organic solvents or ionic liquids, reduces the residual organic matter, and significantly improves the conductivity by in-situ embedding of metal oxide particles.

The invention discloses a ship-borne anti-corrosion and wave-absorbing integrated super-surface elastomer and further discloses a preparation method of the elastomer, and the preparation method comprises the following steps: S1, preparing an inner protection matrix by using an anti-corrosion filler, an antioxidant, polyether amine and isocyanate; s2, preparing conductive ink by using dielectric loss filler, magnetic loss filler, a photosensitive polymer, a photoinitiator, a reactive diluent and a dispersing agent, and coating the conductive ink on the surface of the inner protection substrate in a patterned manner to form a super-surface wave-absorbing layer; s3, preparing an outer hydrophobic layer outside the metasurface wave-absorbing layer to obtain a metasurface elastomer; and S4, one side of the inner protection base body of the super-surface elastomer is attached to the outer surface of the ship electronic device, and anti-corrosion and wave-absorbing integrated packaging is achieved. The super-surface elastomer has the functions of corrosion prevention and wave absorption, is suitable for packaging and electromagnetic protection of devices such as ship-borne communication nodes and high-frequency electronic modules, and can remarkably improve the reliability and prolong the service life of the devices in a complex marine environment.