# US 5,702,763 A · Selective codeposition of particulate matter and composite plated articles thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,702,763 A - Document ID: US5702763A - Status: Granted - Kind: A - Application number: 08/390,354 - Filed: 1995-02-15 - Granted: 1997-12-30 - Earliest claimed: 1993-01-19 - Assignees: Surface Technology, Inc. - Inventors: Nathan Feldstein - Web page: https://patentgrep.com/patent/US5702763A ## CPC - C23C 18/1675: {Process conditions} - C23C 18/161: {from plating step, e.g. inkjet} - C23C 18/1662: {Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires} - C23C 18/1669: {Agitation, e.g. air introduction} - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) ## Abstract A process for the selective variation in density of particulate matter codeposited within metallic matrices deposited onto articles utilizing increased levels of rotation of said articles during plating cycle to attain said selective codeposition density. The attainment of varying densities of codeposited particulate matter in the plated layer along the surface of the substrate is particularly useful in cost reduction and improved product performance. ## Claims ### Claim 1 A process for plating a substrate to form a composite plated coating on a surface thereof said process comprising contacting said surface of said substrate with a plating composition incorporating particulate matter insoluble with said plating composition to yield a composite plated coating on said surface with said particulate matter dispersed within said coating, said coating having a predetermined varied density of codeposited particulate matter from a first region along the surface of the substrate being plated to a second region thereof, said predetermined varied density of codeposited particulate matter between said first and second regions being achieved by continuously rotating said substrate during the plating process at a speed greater than that necessary to achieve a different varied density of codeposited particulate matter within said coating between said first and second regions. ### Claim 2 (depends on 1) The process according to claim 1 wherein said substrate is an open-end spinning rotor. ### Claim 3 (depends on 1) The process according to claim 1 wherein said substrate is an open-end combing roll. ### Claim 4 (depends on 1) The process according to claim 1 wherein said rotational speed is executed along a single axis of symmetry of said substrate. ### Claim 5 (depends on 4) The process according to claim 4 wherein said particulate matter are wear resistant particles. ### Claim 6 (depends on 4) The process according to claim 4 wherein said particulate matter are lubricating particles. ### Claim 7 (depends on 4) The process according to claim 4 wherein said plating is an electrolytic plating method. ### Claim 8 (depends on 4) The process according to claim 4 wherein said plating is an electroless plating method. ### Claim 9 (depends on 1) The process according to claim 1, further including selecting the speed of rotation of said substrate such that one of said regions is substantially free of said codeposited particulate matter. ### Claim 10 (depends on 1) The process of claim 1 wherein the selected speed of rotation of said substrate during the plating process is constant. ### Claim 11 A process for plating a substrate to form a composite plated coating on a surface thereof said process comprising contacting said surface of said substrate with a plating composition incorporating particulate matter insoluble with said plating composition to yield a composite plated coating on said surface with said particulate matter dispersed within said coating, predetermining a varied density of codeposited particulate matter from a first region along the surface of the substrate being plated to a second region thereof, selecting a speed of rotation of said substrate for the plating process to achieve the predetermined varied density of codeposited particulate matter, and continuously rotating said substrate during the plating process at the selected speed to achieve the predetermined varied density of codeposited particulate matter within said coating between said first and second regions. ### Claim 12 (depends on 11) The process according to claim 11, further including selecting the speed of rotation of said substrate such that one of said regions is substantially free of said codeposited particulate matter. ### Claim 13 (depends on 11) The process of claim 11 wherein the selected speed of rotation of said substrate during the plating process is constant.