# US 2021/0278366 A1 · Methods, processes, and apparatus for depositing nanosensors on low surface energy substrates > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0278366 A1 - Document ID: US20210278366A1 - Status: Published application - Kind: A1 - Application number: 17/327,114 - Filed: 2021-05-21 - Published: 2021-09-09 - Earliest claimed: 2017-09-21 - Assignees: Nanowear Inc. - Applicants: Nanowear Inc. - Inventors: Vijay Varadan; Pratyush Rai; Gyanesh Mathur - Web page: https://patentgrep.com/patent/US20210278366A1 ## CPC - B82Y 40/00: Manufacture or treatment of nanostructures - G01N 27/4146: {involving nanosized elements, e.g. nanotubes, nanowires} - B82Y 15/00: Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors - G01N 27/128: {Microapparatus} - G01N 27/327: Biochemical electrodes {, e.g. electrical or mechanical details for in vitro measurements} - H05H 1/38: Guiding or centering of electrodes - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - H05H: PLASMA TECHNIQUE (apparatus or processes specially adapted for producing X-rays H05G2/00); PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS ## Abstract A system and method is provided for depositing nanosensors including directing a plasma stream onto a low energy substrate having a surface energy of from 10 mN/m to 43 mN/m to increase the surface energy of the substrate to from 44 mN/m to 80 mN/m, applying an adhesive layer to the plasma discharge treated substrate; and depositing nanosensors on the adhesive coated substrate of step (b) via electrostatic force assisted deposition using a high strength electrostatic field of from 2 kV/cm to 10 kV/cm to form vertically standing nanosensors. ## Claims ### Claim at position 1 1: A method for depositing nanosensors comprising: (a) directing a plasma stream onto a low energy substrate having a surface energy of from 10 mN/m to 43 mN/m to increase the surface energy of the substrate to from 44 mN/m to 80 mN/m; (b) applying an adhesive layer to the plasma discharge treated substrate of step (a); and (c) depositing nanosensors on the adhesive coated substrate of step (b) via electrostatic force assisted deposition using a high strength electrostatic field of from 2 kV/cm to 10 kV/cm to form vertically standing nanosensors. ### Claim at position 2 (depends on 1) 2: The method as recited in claim 1, wherein the low energy substrate comprises one or more polyolefins. ### Claim at position 3 (depends on 2) 3: The method of claim 2, wherein the polyolefins are selected from the group consisting of LDPE, LLDPE, HDPE, PP, and PB. ### Claim at position 4 (depends on 1) 4: The method as recited in claim 1, wherein the low energy substrate comprises one or more polyamides. ### Claim at position 5 (depends on 4) 5: The method as recited in claim 4, wherein the polyamides are selected from the group consisting of Nylon6, Nylon6,6, Nylon6,10, Nylon6,11, and Kevlar. ### Claim at position 6 (depends on 1) 6: The method as recited in claim 1, wherein the low energy substrate comprises one or more acrylics. ### Claim at position 7 (depends on 6) 7: The method of claim 6, wherein the acrylics are selected from the group consisting of PMA, PMMA, and PEMA. ### Claim at position 8 (depends on 1) 8: The method as recited in claim 1, wherein the low energy substrate comprises polyurethanes based on polyester polyols combined with aromatic or aliphatic isocyanates, and/or polyurethane based polyester polyols combined with aromatic or aliphatic isocyanates. ### Claim at position 9 (depends on 1) 9: The method as recited in claim 1, wherein the low energy substrate comprises one or more vinyl polymers. ### Claim at position 10 (depends on 9) 10: The method of claim 9, wherein the vinyl polymers are selected from the group consisting of PVC, EVA, PVA, and polyvinyledene chloride. ### Claim at position 11 (depends on 1) 11: The method as recited in claim 1, wherein the low energy substrate comprises one or more styrene or styrene copolymers. ### Claim at position 12 (depends on 11) 12: The method of claim 11, wherein the styrene or styrene copolymers are selected from the group consisting of PS, ABS, and SAN. ### Claim at position 13 (depends on 1) 13: The method as recited in claim 1, wherein the low energy substrate is comprise of one or more fluoropolymers. ### Claim at position 14 (depends on 13) 14: The method of claim 13, wherein the fluoropolymers are selected from the group consisting of PTFE and PVDF. ### Claim at position 15 (depends on 1) 15: The method as recited in claim 1, wherein the low energy substrate comprises one or more silicones. ### Claim at position 16 (depends on 15) 16: The method of claim 15 wherein the silicones are selected from the group consisting of polysiloxanes and RTV. ### Claim at position 17 (depends on 1) 17: The method as recited in claim 1, wherein the low energy substrate comprises one or more Engineering Polymers selected from the group consisting of PEEK, PEK, polysulfones, and LCP. ### Claim at position 18 (depends on 1) 18: The method as recited in claim 1, wherein the low energy substrate comprises one or more elastomers. ### Claim at position 19 (depends on 18) 19: The method as recited in claim 18, wherein the elastomers are selected from the group consisting of natural rubber, polyisoprene, butyl rubber, polybutadiene, SBR, and polychloroprene. ### Claim at position 20 (depends on 1) 20: The method as recited in claim 1, wherein the low energy substrate comprises interpenetrating polymeric networks. ### Claim at position 21 (depends on 1) 21: The method as recited in claim 1, wherein the low energy substrate is stainless steel. ### Claim at position 22 (depends on 1) 22: The method as recited in claim 1, wherein the low energy substrate is nickel titanium alloy. ### Claim at position 23 (depends on 1) 23: The method as recited in claim 1, wherein the nanosensors are polymer nanostructures. ### Claim at position 24 (depends on 23) 24: The method as recited in claim 23, wherein the polymer nanostructures are embedded into a matrix polymer to form a yarn. ### Claim at position 25 (depends on 24) 25: The method as recited in claim 24, wherein the yarn is a micro denier yarn. ### Claim at position 26 (depends on 24) 26: The method as recited in claim 24, wherein the matrix polymer is dissolved to expose the polymer nanostructures. ### Claim at position 27 (depends on 26) 27: The method as recited in claim 26, wherein the exposed polymer nanostructures are coated with a protective conformal coating film. ### Claim at position 28 (depends on 25) 28: The method as recited in claim 25, wherein the polymer nanostructures are made of a polymer material selected from the group of polyesters consisting of polyethylene terephthalate, polyethylene naphthanate and polybutylene terephthalate. ### Claim at position 29 (depends on 25) 29: The method as recited in claim 25, wherein the polymer nanostructures are made of a polyester and/or polyether based polyurethane. ### Claim at position 30 (depends on 25) 30: The method as recited in claim 25, wherein the polymer nanostructures are comprised of polyolefins. ### Claim at position 31 (depends on 30) 31: The method of claim 30 wherein the polyolefins include polypropylene. ### Claim at position 32 (depends on 25) 32: The method as recited in claim 25, wherein the matrix polymer is made of a material selected from the group consisting of polystyrene, polyvinyl alcohol, ethylene vinyl alcohol, polyacrylamide and poly lactic acid. ### Claim at position 33 (depends on 25) 33: The method as recited in claim 25, wherein the matrix polymer is made of a polyethylene terephthalate modified with sulfonated isocyanate. ### Claim at position 34 (depends on 1) 34: The method as recited in claim 1, wherein the adhesive layer is a UV ink. ### Claim at position 35 (depends on 1) 35: The method as recited in claim 1, wherein the adhesive layer is a UV glue. ### Claim at position 36 (depends on 1) 36: The method as recited in claim 1, wherein the adhesive layer is a water based ink. ### Claim at position 37 (depends on 1) 37: The method as recited in claim 1, wherein the adhesive layer is a water based glue. ### Claim at position 38 (depends on 1) 38: The method as recited in claim 1, wherein the adhesive layer is a coating. ### Claim at position 39 (depends on 1) 39: The method as recited in claim 1, wherein the adhesive layer is a solvent based ink. ### Claim at position 40 40: (canceled) ### Claim at position 41 (depends on 1) 41: The method of claim 1, wherein the step of applying the adhesive comprises applying the adhesive via screen printing. ### Claim at position 42 42-47: (canceled)