9 results about "Nickel silver" patented technology

The invention relates to the technical field of bar machining, in particular to a nickel-copper-nickel triangular bar machining method which comprises the following steps that S1, a cast ingot is heated to form a triangular bar blank; s2, reducing treatment is carried out; s3, annealing heat treatment; s4, electroplating treatment; and S5, quality detection. Wherein a detection device used in the step S5 comprises a detection platform, a CCD (Charge Coupled Device) camera and a positioning mechanism. The bar is limited and propped through the pre-positioning part and the propping part, so that the three circumferential end faces of the bar face upwards in sequence, the three end faces of the bar are photographed and sampled in sequence through the CCD camera, and the bar quality is detected according to the obtained bar surface image information; according to the detection mode, the problem that the detection quality is affected by fatigue caused by naked eye detection of personnel is avoided, meanwhile, the detection requirement in the batch bar production process is met, it is ensured that the CCD camera is perpendicular to the corresponding shooting end face during shooting, and the accuracy of image collection is improved.

The present application provides a lightweight electromagnetic shielding multi-element metal fabric and a preparation method thereof. The fabric prepared by the present application has a wide frequency band of electromagnetic protection and strong protection effect, and the combination of nickel silver and the base cloth is firm, and has good wear resistance and oxidation resistance, effectively combining the advantages of silver and nickel. The advantages of silver are strong conductivity and good shielding effect, but the disadvantages are poor friction resistance, easy oxidation, fast shielding performance decay with washing or time, high cost, and nickel has the advantages of friction resistance, not easy to oxidize and not easy to decay. The nickel is wrapped outside the silver, which can effectively protect the silver from friction, oxidation and shielding decay. The cost of nickel is relatively low. The multi-element metal fabric prepared has a weight of 65-68g / m 2 , and a comfortable hand feeling, which is not different from ordinary cloth.

A disk with a resistance heating arrangement comprising a plurality of linear heating elements and two opposing conductor elements, wherein the plurality of linear heating elements is arranged between the two opposing conductor elements on the surface of the disk, and wherein the plurality of linear heating elements is designed to be supplied with electrical power via the conductor elements in order to heat, and wherein the plurality of linear heating elements comprises tin, ITO, FTO, nickel silver, an alloy according to DIN 17 470 and / or aluminum-doped zinc oxide.

The utility model belongs to cable field provides a kind of photoelectric composite cable applied to tethered unmanned aerial vehicle, comprising: conductor;Insulating layer and sheath layer, insulating layer is two layers in turn cladded in conductor;Sheath layer is extruded in the outer wall of insulating layer;Shielding reinforcing layer, close to sheath layer, shielding reinforcing layer is extruded in sheath layer outside with metal-plated ultrahigh molecular weight polyethylene and kevlar aramid fiber double-layer mixed, with copper nickel silver alloy on the surface of metal-plated ultrahigh molecular weight polyethylene and kevlar aramid fiber outer layer, to realize corrosion and electromagnetic shielding. Compared with prior art, the utility model has the advantages that shielding reinforcing layer is adopted, which is integrated with tensile resistance and shielding, simplifies the structure, effectively reduces the volume and weight of the cable, improves the application efficiency;In combination with the modified flexible TPU outer sheath reinforced by silicon dioxide, the cable performs well in extreme temperature difference and harsh environments such as sand and dust, prolongs the service life and reduces the maintenance cost.

The utility model relates to a low-cost surface-mounted SIP (Session Initiation Protocol) frequency source module, which comprises a shielding case and a PCB (Printed Circuit Board) substrate, the PCB substrate unit comprises an integrated VCO phase lock circuit, an amplifying circuit, a power supply control circuit and an enabling control direct current bias voltage input terminal; the integrated VCO phase lock circuit is connected with the amplifying circuit; the enabling control direct current bias voltage input terminal is connected with the integrated VCO phase-locked loop circuit and the amplifying circuit through the power supply control circuit unit; the power supply control circuit unit adopts a power supply conversion filter circuit; the power supply conversion filter circuit is respectively connected with an enabling control direct current bias voltage input terminal, an integrated VCO phase lock circuit and an amplifying circuit; surface-mounted installation is realized by adopting a substrate form, low cost is realized by adopting an integrated packaging device, and the surface-mounted LED display screen has the advantages of low cost, surface-mounted type, stability, reliability, convenience in installation, long service life and the like.

Use of a construction for preventing the adhesion of marine organisms, characterized in that a layer of nickel silver is applied to its surface which comes into contact with seawater, the layer consisting, expressed in mass fractions, of the following: Cu: from 63.0% to 67.0% inclusive; Pb: from more than 0 up to and including 0.03%; Fe: from 0 to inclusive 0.25%; Mn: from 0 to and including 0.50%; Ni: from 8.5% to 11.0% inclusive; and the remainder consisting of Zn and unavoidable impurities.

The application discloses a kind of high reliability nickel silver-plated aluminized ceramic substrates and preparation method, it is related to semiconductor technical field, comprising the following steps: aluminized ceramic substrate surface is pretreated, and then in turn shot peening, chemical nickel plating, sand blasting, nickel activation and chemical silver plating are handled.The application introduces residual stress on the surface of aluminized ceramic substrate by shot peening, improves surface roughness, improves the adhesion of nickel layer and silver layer by sand blasting, nickel activation, and effectively inhibits silver migration by nickel-silver composite coating.Therefore, the reliability of the aluminized ceramic substrate prepared by the application is high, the adhesion of the coating is strong, and the silver migration resistance is good.

The invention relates to a pane comprising a resistance heating arrangement having a plurality of linear heating elements and two opposing conductor elements, wherein the plurality of linear heating elements is arranged on the surface of the pane between the two opposing conductor elements, and wherein the plurality of linear heating elements is designed to be supplied with electrical power via the conductor elements in order to generate heat, and wherein the plurality of linear heating elements comprises tin, ITO, FTO, nickel silver, an alloy in accordance with DIN 17470, and / or aluminium-doped zinc oxide.

The utility model discloses a high temperature resistant pure nickel silver plated OK wire in the OK wire field, comprising a connector and a wire body, the wire body comprises a nickel core used for realizing electric conduction, the outer surface of the nickel core is electroplated with a silver plated layer, the outer surface of the silver plated layer is wrapped with a high temperature resistant layer, a limiting block is formed in the connector, and the limiting block is arranged in the connector. A limiting block is arranged on the connector, a limiting channel used for installing a wire body is formed between the limiting block and the connector, the limiting block protrudes outwards to form a clamping part, a clamping groove is formed between the clamping part and the limiting block, and a conductive contact block clamped with the clamping groove is arranged in the clamping groove; according to the high-temperature-resistant pure-nickel silver-plated OK line, the conductive contact block is welded with the line body, the conductive contact block is clamped with the clamping groove, and the positioning block is clamped with the clamping groove, so that the stable connection between the line body and the connector is ensured, part of the line body is arranged in the limiting channel, the line body can be prevented from being easily loosened, and the service life of the line body is prolonged. And poor contact caused by loosening is avoided.