69results about How to "Reduce conductive resistance" patented technology

The invention provides a high-conductivity transparent glass-based circuit board. The high-conductivity transparent glass-based circuit board comprises a glass substrate, wherein the glass substrate is a tempered glass substrate, a conductive paste printed on an air surface of the tempered glass substrate is arranged on the surface of the tempered glass substrate and melted with a conductive circuit on the surface of the tempered glass substrate after roasting, heating and cooling, the surface of the tempered glass substrate is flush with the upper surface of the conductive circuit, and a part, except a bonding pad of a component to be welded, on the surface of the conductive circuit is coated with printed circuit board (PCB) organic soldering resistance paint. In the high-conductivity transparent glass-based circuit board, a melting relation is generated between the glass substrate and the conductive circuit, the glass substrate and the conductive circuit are in close link, the surface of the glass substrate is flush with the upper surface of the conductive circuit, the whole high-conductivity transparent glass-based circuit board is smooth in surface, the conductive circuit is difficult to damage, and the conduction capability is high.

The problem of the present invention is to provide a coating film composition for battery electrodes or separators that is capable of forming a coating film which has high heat resistance and for which the occurrence of curling is suppressed. The present invention is a coating film composition for battery electrodes or separators which includes a binding agent, a solvent, and viscoelastic particles.

The invention provides a method for preparing a transparent glass-based double-layer circuit board. The method comprises the following steps: trepanning on a glass substrate, mounting a hollow copper tube, printing and curing conductive paste on the glass substrate in sequence, finally maintaining the glass substrate in a high temperature environment for a period of time, and then cooling the glass substrate to the normal temperature to fuse the conductive paste and the glass substrate to integrally form conductive circuits, wherein the conductive circuits are distributed on the surface of the glass substrate and become a part of the glass substrate, and the two conductive circuits are conducted by the hollow copper tube to obtain the transparent glass-based double-layer circuit board. According to the method provided by the invention, common glass is used as an insulating board, compared with the existing double-sided wiring printed circuit board, the prepared transparent glass-based double-layer circuit board can guarantee high transparency, the transparency exceeds 90%, the cost is low, the conductive paste printed on the glass substrate is prepared in such a manner that single surfaces are cured in sequence and then are simultaneously fused, so that the double layers of conductive circuits are formed in on piece, the quality of the double layers of conductive circuits is consistent, and thus the product quality is guaranteed.

The invention is concerned with the initiative array plaque of the plane monitor and its repair method. It includes the plaque with the display section, several of the first and the second electric guiding wires, and several of the first and the second repairing wires set on the plaque separately, the first and the second electric guiding wires are interleaving one with another but without connection, the first and the second repairing wires are interleaving with the second electric guiding wires separately, but connecting the two opposite sides outside the display section with electricity, and also several of the third repairing wires outside the display section and connecting the first and the second repairing wires electrically. The class of second electric guiding wires can form several of the second electric guiding wires group classes and they are opposite any one of the third repairing wires.

An object of the present invention is to provide a battery electrode coating film composition or a separator coating film composition capable of forming a coating film capable of suppressing curling and having high heat resistance. The invention is a battery electrode coating film composition or a separator coating film composition, which comprises a binder, a solvent and viscoelastic particles.

The invention provides a transparent glass-based double-layer circuit board. The circuit board includes a glass substrate which is evenly distributed thereon with electric guide holes which penetrate the glass substrate. Each electric guide hole is provided with a hollow copper tube therein with a length equal to the thickness of the glass substrate. An end surface of the hollow copper tube is level with the surface of the glass substrate. The upper surface and the lower surface of the glass substrate are both provided with a conducting circuit which is fused with the surface of the glass substrate. The two conducting circuits are electrically on through the hollow copper tubes. Each conducting circuit is made of graphene, or a conducting layer constituted by a surface layer which is graphene and a bottom layer which is a layer fused with the glass substrate, and the contact surfaces of the graphene and the metal are fused mutually. According to the invention, the circuit board adopts tempered glass as an insulation plate, by fused fixing of the conducting circuits on the upper surface and the lower surface of the glass substrate, achieves the formation of a double layer, can increase the carrying capacity of an electric element by one time than traditional glass substrate having the same area, and greatly reduces the size of a circuit board.

The invention relates to a method for preparing a catalytic layer structure of a proton exchange membrane fuel cell. The method comprises the following steps of: (1) adding carbon powder and an electrolyte resin solution to isopropanol to obtain mixed liquid, carrying out ultrasonic treatment to uniformly mix the mixed liquid, then dispersing the mixed liquid into a proton exchange membrane, and carrying out drying treatment to form a carbon powder layer on the membrane so as to obtain the proton exchange membrane with the carbon powder layer; (2) dipping the proton exchange membrane with the carbon powder layer into a solution containing a platinum precursor and a weak reducing agent, standing for 48-72 hours at room temperature, taking the proton exchange membrane out, repeatedly rinsing the proton exchange membrane for multiple times by deionized water, and then carrying out drying treatment to obtain the proton exchange membrane with a platinum nanowire catalyst deposited on the carbon powder layer; and (3) spraying a layer of electrolyte solution on the surface of the platinum nanowire catalyst and then carrying out drying treatment to obtain the catalytic layer structure of the proton exchange membrane fuel cell.

The invention discloses a screen printing plate structure of a monocrystalline silicon solar cell, and relates to the technical field of solar cells. The screen printing plate structure comprises a cell piece, the right side of the cell piece is provided with a plurality of front electrode areas, and the main grid lines are arranged between the adjacent front electrode areas. Partition areas are arranged in the middles of the main grid lines, the main grid lines are vertically connected with a plurality of auxiliary grid lines positioned in the front electrode areas, the two tail ends of the main grid lines are both connected with the outermost auxiliary grid line, and the break-proof grid lines are connected between the adjacent f auxiliary grid lines. The screen printing plate structurehas the advantages that the shading area can be reduced, the cell efficiency can be improved, meanwhile, the problem that the edge of the cell piece is prone to subfissure and breakage can be avoided,and the current collection of the whole cell piece cannot be affected when the auxiliary grid lines are broken.

The invention discloses a structure for strengthening surface contract strength of an electronic circuit. The structure is used in communication products. The structure comprises an electronic circuit body and strengthening materials evenly coating the electronic circuit body, and the electronic circuit body is connected with a main board through the strengthening materials. The strengthening materials of the structure for strengthening the surface contract strength of the electronic circuit can be metal sheets, conductive double sticky tape and conductive glue respectively, the strengthening materials can also be in the mode of combining the metal sheets and the conductive double sticky tape, conductive glue or combining the metal sheets and the conductive glue, the metal sheets are fixedly connected with the electronic circuit body through the conductive double sticky tape or the conductive glue, and therefore the electronic circuit body is not damaged when connected with other parts, and the contact stability of the structure is greatly improved.