Patents
US 12729442 B1: Tunable nano-structured inkjet printed graphene via UV pulsed-laser irradiation for electrochemical sensing
- Granted
- 2026-09-08
- Filed
- 2024-08-02 application 18793437
- Type
- Utility · 30 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An apparatus, method, and system for post-processing a printed graphene ink pattern or other deposition on a substrate. A pulsed UV laser is tunable between various energy densities to selectively modify the printed ink or deposition in electrical or physical properties. In one example, radical improvements in electrical conductivity are achieved. In another example, controlled transformation from essentially 2D printed or deposited graphene to surface topology of 3D nanostructures are achieved. The 3D structures are beneficial in such applications as electrochemical sensors of different types and characteristics. In another example, hydrophobicity of the printed or deposited graphene can be manipulated starting from a hydrophilic to super hydrophobic surface.
Source: PTBLXML, file of 2026-09-08 (ipgb20260908.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Iowa State University Research Foundation, Inc. 581 patents | US company or organization | Ames, IA | PTBLXML, file of 2026-09-08 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jonathan Claussen | Ames, IA | 11 | PTBLXML, file of 2026-09-08 | |
| Suprem Das | Ames, IA | PTBLXML, file of 2026-09-08 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| 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 | C23C16/56 | PTBLXML, file of 2026-09-08 |
| B41J | Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors | B41J2/01 | PTBLXML, file of 2026-09-08 |
| H05K | Printed circuits; casings or constructional details of electric apparatus; manufacture of assemblages of electrical components | H05K1/00 | PTBLXML, file of 2026-09-08 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.