39 results about "Silver ink" patented technology

The invention relates to an implantable biological electrode and a manufacturing method of an implantable glucose monitoring probe. The manufacturing method of the implantable biological electrode comprises the following steps: S1.1, providing a flexible substrate; s1.2, silk-screening silver ink on the first surface of the flexible substrate to form a non-implanted conductive region of the first functional electrode; s1.3, silk-screening carbon ink on the first surface of the flexible substrate to form an implanted conductive region of the first functional electrode, and forming a series structure by the non-implanted conductive region and the implanted conductive region to jointly form a conductive region of the first functional electrode; and S1.4, an insulating layer is screen-printed on the first surface of the flexible substrate, the insulating layer covers the conductive region of the first functional electrode, and the working region is exposed. According to the functional electrode, the characteristic of good biocompatibility of the carbon circuit layer and the characteristics of small resistance and high signal transmission efficiency of the silver circuit layer are fully utilized, the circuit impedance of the functional electrode is effectively reduced, the signal transmission efficiency is improved, and the biocompatibility and long-term stability of an implantation area are ensured.

The invention provides a wearable electrolyte concentration sensor based on silk-screen printing and a preparation method of the wearable electrolyte concentration sensor, and belongs to the technical field of biosensors. The preparation method of the sensor comprises the following steps: firstly, cleaning and airing the surface of a flexible material matrix; then silver ink is printed on a substrate through a screen to form an electrode substrate, a wire substrate and an electric connection end; respectively carrying out silk-screen printing on a reference electrode layer and a working electrode layer on the electrode substrate by using silver / silver chloride ink and carbon ink; then carrying out silk-screen printing on insulating ink on a wire substrate to form an insulating layer, and respectively applying a protective film solution and an ion-selective film solution to a reference electrode layer and a working electrode through a drop casting method; and finally, obtaining the wearable electrolyte concentration sensor through a cutting process. The electrolyte concentration sensor provided by the invention is compact in structure and stable in performance, can effectively monitor the electrolyte concentration in a body fluid sample, and has a wide application prospect.

The invention discloses a preparation method of aerosol microscale printing self-reduction mixed type conductive silver ink, which comprises the following steps: dissolving a complexing agent and an additive in a solvent to obtain a mixed solution A; dissolving a silver precursor in the mixed solution A to obtain a silver-ammonia complexing solution; dissolving a volatile compound which has no reducibility at room temperature and can release strong reducibility substances after being heated into the silver-ammonia complexing solution to obtain a mixed solution B; and finally, dropwise adding a volatile weak reducing substance into the mixed solution B, and reacting while dropwise adding until the volatile weak reducing substance is completely dropwise added, so as to obtain the aerosol micro-scale printing self-reduction mixed conductive silver ink. The mixed conductive silver ink is prepared, two different types of reducing agents are adopted to cooperate with each other, the mixed conductive silver ink has the advantages of both granular ink and particle-free ink, the film-forming property of the ink is improved, high-precision printing is achieved, and the printing requirements of various printed circuits and special-shaped circuits can be met.

The invention discloses a method for preparing a self-reducing hybrid conductive silver ink for aerosol microscale printing, comprising: dissolving a complexing agent and an additive in a solvent to obtain a mixed solution A; then dissolving a silver precursor in the mixed solution A to obtain a silver-ammine complex solution; then dissolving a volatile compound that is non-reducible at room temperature and can release a strong reducing substance after heating in the silver-ammine complex solution to obtain a mixed solution B; finally, adding a volatile weak reducing substance dropwise to the mixed solution B, reacting while adding, until the volatile weak reducing substance is added dropwise, to obtain a self-reducing hybrid conductive silver ink for aerosol microscale printing. The invention prepares a hybrid conductive silver ink, which adopts two different types of reducing agents to cooperate with each other, has the advantages of both particle-type ink and particle-free ink, improves the film-forming property of the ink, realizes high-precision printing, and can meet the printing requirements of various printed circuits and special-shaped circuits.

The invention discloses high-wettability reactive nano-silver ink for flexible electronics and a preparation method and application thereof.The preparation method comprises the following steps that S1, silver citrate is weighed and placed in a container, ammonia water is added, and a mixture A is obtained; s2, adding a citric acid solution and organic alcohol into the mixture A to obtain a mixture B; s3, adding ascorbic acid into the mixture B, performing ultrasonic treatment, and filtering to obtain filtrate which is a mixture C; and S4, a surfactant is added into the mixture C, the surfactant is one or more than two of a polyoxyethylene acid ester surfactant, a polyether modified siloxane surfactant and a phenyl ether surfactant, and the ink is obtained after ultrasonic filtration. The prepared ink has excellent stability, can realize low-level rapid sintering, and shows excellent wettability on a silicon substrate.

The utility model relates to the technical field of light guide plates, and discloses a light guide plate with a trapezoidal convex structure, which comprises a light guide plate body, the side surface of the light guide plate body is composed of a non-convex side surface and a convex side surface, a plurality of groups of trapezoidal convex bodies are integrally connected with the convex side surface at equal intervals, the trapezoidal convex bodies are in isosceles shapes, and the convex side surface of the light guide plate body is provided with a plurality of convex surfaces. White double-sided stickers are pasted on the non-convex side surfaces, mirror-like silver ink is sprayed on the edges of the trapezoidal convex bodies, and the mirror-like silver ink is used for forming reflection, so that the brightness difference between light rays at other positions of the light guide plate on the non-convex side surfaces and reflected light rays at the convex positions is reduced. According to the light guide plate, the convex light guide plate with the trapezoidal structure is designed, the mirror-like silver ink is sprayed on the side surface of the trapezoidal body to form reflection, and then the brightness difference between light rays at other positions of the light guide plate with the non-convex structure and reflected light rays at the convex position is reduced, so that the visual effect of black edges is reduced.

The present invention relates to a thermocouple, comprising thermoplastic resin-based silver ink as a first thermocouple element and thermoplastic resin-based carbon ink as a second thermocouple element.

The invention relates to high-solubility super-bright silver ink for a coated paperboard and a preparation method of the high-solubility super-bright silver ink. The high-solubility super-bright silver ink comprises the following raw materials in percentage by mass: 30-45% of film-forming resin; 30%-40% of a solvent; 20 to 25 percent of aluminum silver paste; 2-5% of an auxiliary agent; wherein the film-forming resin comprises a nitrocotton emulsion, polyvinyl butyral and polyamide, the solvent is a mixed solution of ethanol, ethyl ester and n-propyl ester, the auxiliaries comprise a setting agent, a flatting agent and a wear-resistant agent, the setting agent is a modified acrylic polymer, the flatting agent is organic silicon, and the wear-resistant agent is polytetrafluoroethylene powder. Compared with the prior art, the prepared silver ink has the advantages of being high in solubility, good in mirror surface effect, capable of being rapidly dried and the like.

The invention provides low-temperature curing weldable conductive paste as well as a preparation method and application thereof, and belongs to the technical field of printed electronic materials. The weldable conductive paste comprises the following components by mass: 11-15% of an organic carrier; 70-85% of a conductive component; 0-19% of an organic solvent; the organic carrier comprises a rosin solution, epoxy resin and a latent curing agent; the conductive component is a micron silver sheet loaded with nano silver oxide; the length of the silver sheet is 1-15 [mu] m; the particle size of the nano silver oxide is 200 to 400 nm. According to the low-temperature cured weldable conductive silver paste provided by the invention, the wettability of the solder on the silver ink layer can be improved, so that the welding binding force is improved; and meanwhile, a silver ink layer printed by the paste has relatively high conductivity.

The invention discloses an ink composition suitable for gravure and a preparation method of imitation gold card paper, and relates to the technical field of printing, the ink composition comprises water-based gravure silver ink and water-based gravure transparent yellow ink, the water-based gravure silver ink comprises 40%-58% of water-based resin, 30%-40% of ethanol, 10%-20% of modified aluminum powder, 0.1%-0.3% of a pH regulator and 0.7%-1.8% of a functional auxiliary agent; the water-based gravure transparent yellow ink comprises 40%-59.7% of water-based resin, 30%-40% of ethyl alcohol, 10%-20% of transparent yellow paste and 0.1%-0.3% of a pH regulator. The modified aluminum powder is prepared through physical coating or coupling agent chemical modification; the aluminum powder in the ink composition is physically coated or chemically modified, so that the aluminum powder is effectively prevented from being oxidized, the stability of the ink is improved, and the manufactured imitation gold card paper is good in printing effect and has better color, luster, adhesive force and folding resistance.

The invention relates to a silver ink comprising an adhesion promoter. In particular, the present invention relates to a composition for producing an electrically conductive structure on a substrate. The composition comprises a solution containing at least the following components: a) an organic solvent selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons and alcohols and acetates of these aliphatic hydrocarbons and mixtures thereof, b) at least one silver carboxylate, and c) at least one titanium carboxylate.

The utility model discloses a semi-transparent and semi-reflective cover plate structure, which comprises a cover plate body, a mirror-like silver ink layer and a protective layer, the mirror-like silver ink layer is arranged on one side face of the cover plate body, a plurality of light-transmitting holes are formed in the mirror-like silver ink layer in an etching mode, the light-transmitting holes are distributed in a rectangular array mode, and the spacing distance between every two adjacent light-transmitting holes is the same; and the protective layer covers the mirror-like silver ink layer and is used for isolating and protecting the mirror-like silver ink layer. Thus, the mirror-like silver ink layer is arranged on the cover plate body, and the light-transmitting hole is formed in the mirror-like silver ink layer in an etching mode, that is, reflection can be completed in an area with the mirror-like silver ink layer, and transmission can be completed through the light-transmitting hole, so that the electronic rearview mirror can clearly see the driving condition after a vehicle through reflection, and can also be used for reflecting the vehicle. A display picture on the screen can be observed through transmission; and meanwhile, the mirror-like silver ink layer is covered with the protective layer, and the mirror-like silver ink layer is isolated and protected through the protective layer, so that the mirror-like silver ink layer is prevented from being scratched.

The invention provides a large aspect ratio conductive circuit ink-jet printing method, which specifically comprises the following steps: in an ink-jet printing process, controlling an emission angle of an infrared laser, keeping an intersection point of laser emitted by the infrared laser and an ink droplet falling track of a printing head above a printing substrate, and presintering and curing ink droplets before the ink droplets fall on the surface of the printing substrate; the invention further provides an ink-jet printing device for the conductive circuit with the large height-width ratio and an application method of the ink-jet printing device. The nano-silver ink for ink-jet printing is rapidly sintered through laser in the flying process, the high-performance conductive trace can be directly manufactured on the substrate, and the manufacturing efficiency and the quality of the final electronic trace are remarkably improved through the collaborative process of presintering in the ink droplet flying process and synchronously preheating the substrate; the large-aspect-ratio conductive circuit ink-jet printing device for achieving the method is simple in structure, flexible and convenient to operate and high in practicability, and the focusing accuracy of laser and ink droplets is improved.

A method and apparatus for forming a device includes depositing a mask layer on a first portion of a surface, the mask layer forming a feature on the surface, depositing a mirror layer within the feature on a second portion of the surface, and removing the mask layer from the surface.

To provide a packaging bag capable of sufficiently maintaining designability even when an external force is applied or the packaging bag is torn for unsealing.SOLUTION: The packaging bag 100 includes the base film layer 10, the aluminum-pigment-containing silver ink layer V, the titanium-oxide-pigment-containing white ink layer W, and the sealant layer 20, and includes the seal section 101 constituted by the pair of laminated films 300 in which the sealant layers 20 are heat-sealed to each other, and when the seal strength of the seal section 101 is measured in conformity with JISZ1707:2019, the sealant layers 20 are peeled from each other or the laminated films 300 are broken.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of sensor design, and aims to solve the problem that a composite sensor interferes with each other during force and acceleration measurement. According to the force and acceleration parallel type multifunctional sensor composed of the single sensing unit and the adjusting method of the force and acceleration parallel type multifunctional sensor, when the sensor is stressed, a first outer deformation diaphragm, a first inner deformation diaphragm, a second outer deformation diaphragm and a second inner deformation diaphragm generate shear deformation, and a first bearing boss hard center and a second bearing boss hard center move vertically; applying pressure to the PVDF piezoelectric film sensing unit layer part corresponding to the outer ring of the first Silver Ink layer to generate a charge signal in direct proportion to the force; when the sensor is vibrated, the mass block vertically moves up and down in the first inner partial load ring, inertia force is further generated on the PVDF piezoelectric film sensing unit layer part corresponding to the inner ring of the first Silver Ink layer, and a charge signal in direct proportion to acceleration is generated. The sensor is of a parallel structure and does not interfere with each other during force and acceleration measurement.

The invention discloses an organic acid synergistic reactive nano-silver ink and a preparation method and application thereof, the preparation method comprises the following steps: S1, weighing silver citrate in a container, adding ammonia water, performing ultrasonic treatment, standing at room temperature, and filtering to obtain an intermediate mixture; and S2, a citric acid aqueous solution with the concentration being 3-7 wt% is added into the intermediate mixture, ascorbic acid is added, ultrasonic treatment and standing are conducted, supernate is taken and filtered, the obtained filtrate continues to stand, secondary filtering is conducted, and the reaction type nano-silver ink is obtained. The reactive nano-silver ink prepared by the method has good conductivity and film forming effect after being sintered at 140 DEG C.

The application discloses a method, device and storage medium for simulating cold stamping by using a digital inkjet printing device. The method comprises the following steps: obtaining thickness value, gloss value and chroma value of metal ink of a gold stamping sample; setting first printing data of the digital inkjet printing device according to the thickness value and the gloss value; wherein the first printing data comprises silver ink layer number and silver ink inkjet amount; setting a printing position of a printing substrate in the digital inkjet printing device and printing a sample; wherein, if the chroma value is zero, the sample printing comprises the following steps: placing the printing substrate at the printing position, printing a silver ink layer according to the first printing data to obtain a first sample; and placing the first sample at the printing position again and printing a pattern layer. In the application, the gold stamping and the printing process are continuously completed in the digital inkjet printing device, the production capacity of the gold stamping device and the printing machine is released, the gold stamping plate manufacturing process and the like can be omitted, the sample making cycle is shortened, and the overall sample making efficiency is improved.

Provided are: a low-cost and highly conductive silver ink composition; and a method for producing wiring using the silver ink composition. A conductive ink composition for screen printing contains a conductive metal particle (A) having an oleic acid surfactant, a non-chlorine-based resin composition (B), and an organic solvent (C), wherein the conductive metal particle (A) is contained in an amount of 45 to 70% by weight with respect to the total ink composition, the non-chlorine-based resin composition (B) has a number average molecular weight of 50,000 or more and is contained in an amount of 5 to 15% by weight with respect to the total ink composition, the organic solvent (C) has a flash point of 75 to 110°C and is contained in an amount of 25 to 50% by weight with respect to the total ink composition, and the ink composition has an ink viscosity of 10 to 25 Pa·s (23°C) at a shear rate of 100 s-1. A method for producing wiring uses the ink composition.

The invention relates to the field of VCM film-coated plates, in particular to a film-coated plate with a metal wire drawing effect and a preparation method of the film-coated plate. A film-coated plate with a metal wire drawing effect comprises a composite film and a base plate, and the composite film is adhered to the surface of the base plate; the composite film comprises a base film, a UV light curing layer is arranged on one side face of the base film, and a UV transparent gloss oil wiredrawing layer, a silver powder layer and a gum adhesion layer are sequentially arranged on the other side face of the base film. The silver powder layer is printed by water-based silver ink, and the water-based silver ink comprises the following components in percentage by mass: 15-25% of silver powder, 20-30% of film-forming resin, 0.5-2% of a dispersing agent, 0.1-1% of a defoaming agent, 0.1-1% of coconut fiber, 0.1-1% of jute fiber and water; the dispersing agent comprises sodium sulfosuccinate and polyethylene glycol fatty acid ester. The performance of the VCM film-coated plate can be improved, and the VCM film-coated plate has good metal texture and long service life.

The application discloses a liquid metal-based large-aspect-ratio glass via filling and sealing method and device, and belongs to the field of electronic packaging. The method mainly comprises liquid metal filling large-aspect-ratio glass via (TGV) based on inkjet 3D printing, nano-silver ink curing and sealing, and filling and sealing device design. The nano-silver ink after photocuring is used to seal and fill the large-aspect-ratio TGV filled with liquid metal, which can effectively prevent the liquid metal from overflowing, and meanwhile, the device can realize accurate filling and reliable sealing of the large-aspect-ratio TGV array. The high electrical conductivity, low resistivity, high thermal conductivity and excellent fluidity of the liquid metal make the TGV interconnection structure have excellent filling quality, high-frequency electrical characteristics and heat dissipation performance, effectively solve the problems, such as the defects of easy generation of cavities and concaves in the traditional filling process, poor adhesion between the glass hole wall and the copper, and the difficulty of copper material in meeting the high-frequency and high-speed transmission demand of future radio frequency systems.

The invention discloses a silver ink film capable of detecting capsaicin with high sensitivity, a preparation method of the silver ink film and application of the silver ink film in surface enhanced Raman scattering detection. The preparation method comprises the following steps: adding a mixed solution of sodium hydroxide and hydroxylamine hydrochloride into a silver nitrate solution while stirring, and keeping stirring until the reaction is complete to obtain a uniform milky white mixture silver nano glue solution; centrifuging the silver nano glue solution for 5-30 minutes at the speed of 5000-15000 r / min, and discarding a supernatant liquid part to obtain concentrated silver nano glue; mixing and stirring the concentrated silver nano glue with ethyl cellulose and alpha-terpilenol, and performing ultrasonic treatment to obtain uniform silver ink; in the silver ink, the content of the concentrated silver nano glue is 25wt%-55wt%, the content of ethyl cellulose is 4wt%-6wt%, and the balance is alpha-terpilenol; and spin-coating the silver ink on a clean polished silicon wafer by using a spin coater, and carrying out vacuum drying to obtain the silver ink film.

The invention discloses a nano-silver touch color film display expansion method which comprises the following steps: S1, manufacturing a nano-silver touch layer: dispersing synthesized nano-silver wire particles in an organic solvent to prepare nano-silver ink, and depositing the nano-silver wire particles on a flexible transparent substrate film by adopting a coating process to form the nano-silver touch layer, a stable nano-silver conductive network is provided; s2, a high-definition color film layer is manufactured, wherein the high-definition color film layer is manufactured in a high-definition printing mode; s3, a nano-silver touch control color film layer is manufactured, wherein the nano-silver touch control color film layer comprises a nano-silver touch control layer and a high-definition color film layer, the surface of the nano-silver touch control layer is coated with a color film transparent adhesive, and the high-definition color film layer is attached; and S4, the nano-silver touch color film layer is attached to the original display screen, and the nano-silver touch color film layer is accurately attached to the original display screen by adopting a high-precision vacuum equipment automatic alignment system and using a display screen transparent adhesive and a color film transparent adhesive, so that the attaching precision is within 100 micrometers.

The invention discloses laser curing type conductive silver ink for electronic components and a preparation method of the laser curing type conductive silver ink. The laser curing type conductive silver ink comprises a silver precursor, an amine complexing agent, a non-polar organic solvent and an additive, a silver precursor and an amine complexing agent form a uniform and stable silver-amine complex solution in a non-polar organic solvent. The preparation method comprises the following steps: uniformly mixing a non-polar organic solvent, an amine complexing agent and an additive, then adding a silver precursor, stirring until the silver precursor is completely dissolved, and filtering to obtain the conductive silver ink with excellent conductivity, stability and printing performance. The invention also provides a method for preparing a conductive film on a substrate by using the conductive silver ink through a laser sintering process. According to the conductive silver ink, the light absorption characteristic of the silver-amine complex is regulated and controlled through the non-polar solvent, so that the conductive silver ink perfectly adapts to a laser sintering process, and the conductive silver ink has the advantages of being low in curing energy consumption, short in curing time, free of thermal damage to a flexible base material, high in conductivity of a formed silver film, high in adhesive force and the like, and is suitable for the fields of flexible electronics, printed circuits and the like.

A multi-junction resistance strain gauge comprises a substrate; a sinterable ink deposited directly on the substrate forming a non-conductive pattern; a stripe pattern generated on the sinterable ink by sintering, the stripe pattern having one or more non-conductive gaps, the stripe pattern having a first electrical conductivity; a sintered bridge across each of the one or more gaps and providing electrical continuity through the stripe and across the gaps, each bridge having a second electrical conductivity which is lower than the first electrical conductivity. The substrate is a non-conductive material or a conductive material coated with a thin insulator on which the stripe pattern is generated. The sinterable ink is a silver ink. The first electrical conductivity and the second electrical conductivity comprise different electrical conductivity. The first electrical conductivity of the stripe is a factor of about 1.7 or more higher than the second electrical conductivity of the bridge.

The invention provides a method for preparing particle-free silver ink by reducing silver acetate through formic acid. Raw materials adopted by the method comprise a silver precursor, a complexing agent, a solvent, a reducing agent and an auxiliary. The viscosity of the produced particle-free silver ink can adapt to all printers adopting an ink jet technology in the market. The adhesive has good adhesion performance on all printing substrates, and after low-temperature sintering, no effective material layer falls off within the application range through a bending test on the substrate. The ink has a good printing effect, and is free of excessive dispersion, annular cavities and conductive layer circuit disconnection phenomena after sintering.

The present invention relates to electrically conductive silver ink composition providing excellent conductivity. The ink composition is screen printable and suitable for use in printed electronics applications.

The invention discloses UV (ultraviolet) curing high-brightness silver ink, which is characterized in that the pigment for preparing the UV curing high-brightness silver ink is prepared from the following components in parts by mass: 40 to 60 parts of prepolymer, 15 to 30 parts of diluent, 3 to 5 parts of photoinitiator, 10 to 30 parts of aluminum powder and 0.8 to 2.8 parts of orientation agent, and the orientation agent is oligomeric silsesquioxane. According to the UV-cured high-brightness silver ink, in the ink drying process, on one hand, eight chain-shaped organic functional groups R of POSS molecules are enriched on an ink film-air interface to form a surface layer with low surface energy, and aluminum powder is automatically arranged on the interface in parallel under the action of free energy, so that the particle orientation degree is greatly improved; therefore, after the ink is dried, as the orientation degree of the aluminum powder particles is greatly improved, the mirror reflection degree of light rays is also greatly improved, and the brightness of the ink is further greatly improved.

An integrated rearview mirror module structure comprises cover plate glass, a TN display screen and a TFT display module. The cover plate glass is arranged at the top of the TN display screen, and the TFT display module is arranged at the bottom of the TN display screen; the cover plate glass comprises tempered glass, the surface of the tempered glass is plated with an ARAF coating film, the center of the tempered glass is a visible area, mirror-surface silver ink is arranged around the visible area in a silk-screen mode, and a first layer of shading ink and a second layer of shading ink are arranged at the bottom of the mirror-surface silver ink in a silk-screen mode. According to the integrated rearview mirror module structure, the TN display screen, the cover plate glass and the TFT display module are designed together to form a rearview mirror, the rearview mirror has the light sensing capacity, the light sensing module senses the intensity of incident light to change the color of the rearview mirror, and the purpose of further effectively weakening glare interference is achieved.