Nano-wire growth

Patent metadata

Field	Value
Publication number	US-11618970-B2
Application number	US-202017115238-A
Country	US
Kind code	B2
Filing date	Dec 8, 2020
Priority date	Jun 14, 2019
Publication date	Apr 4, 2023
Grant date	Apr 4, 2023

Abstract

Nano-wire growth processes, nano-wires, and articles having nano-wires are disclosed. The nano-wire growth process includes trapping growth-inducing particles on a substrate, positioning the substrate within a chamber, closing the chamber, applying a vacuum to the chamber, introducing a precursor gas to the chamber, and thermally decomposing the precursor gas. The thermally decomposing of the precursor gas grows nano-wires from the growth-inducing particles. The nano-wires and the articles having the nano-wires are produced by the nano-wire growth process.

First claim

What is claimed is:

1. A nano-wire growth process, comprising:
trapping growth-inducing particles on a substrate;
positioning the substrate within a chamber;
closing the chamber;
applying a vacuum to the chamber;
introducing a precursor gas to the chamber;
thermally decomposing the precursor gas;
wherein the thermally decomposing of the precursor gas grows nano-wires from the growth-inducing particles;
wherein the substrate is stainless steel, 304 stainless steel, 316 stainless steel, or a combination thereof.

2. A nano-wire growth process, comprising:
trapping growth-inducing particles on a substrate;
positioning the substrate within a chamber;
closing the chamber;
applying a vacuum to the chamber;
introducing a precursor gas to the chamber;
thermally decomposing the precursor gas;
wherein the thermally decomposing of the precursor gas grows nano-wires from the growth-inducing particles;
wherein the substrate has a polished surface, a mirror-polished surface, an average Ra surface roughness value of less than 20 micro-inches, an average Ra surface roughness value of greater than 20 micro-inches, or a combination thereof.

3. A tribological component of a tribological device comprising nano-wires produced by a nano-wire growth process, the nano-wire growth process comprising:
trapping growth-inducing particles on a substrate;
positioning the substrate within a chamber;
closing the chamber;
applying a vacuum to the chamber;
introducing a precursor gas to the chamber;
thermally decomposing the precursor gas;
wherein the thermally decomposing of the precursor gas grows nano-wires from the growth-inducing particles;
wherein the tribological component is bushings, bearings, brake pads, gun barrels, rifle bolts, boring equipment, earth-handling equipment, medical devices or other tribological components having desirable surface properties.

Assignees

• Silcotek Corp

Inventors

• Yuan Min

Classifications

• C30B33/005

  Oxydation · CPC title

• B82Y40/00

  Manufacture or treatment of nanostructures · CPC title

• C01B33/043

  Monosilane · CPC title

• C30B33/00

  After-treatment of single crystals or homogeneous polycrystalline material with defined structure (C30B31/00 takes precedence) · CPC title

• C30B29/62 Primary

  Whiskers or needles · CPC title