Authors

Jay A. Bieber

Document Type

Article

Publication Date

April 2025

Patent Number

12270959

CPC

G01T 1/36 , B23K 26/0624 , B23K 26/0626 , B23K 26/073 , B23K 26/355 , B23K 26/359 , G01N 23/2273 , H01J 49/482

Abstract

In one embodiment, a surface has a laser-beam machined area including an array of micro-sized conical pillars that are arranged in orthogonal rows and columns across the surface and that extend upward, the conical pillars defining deep troughs between them that are configured to absorb electrons, electromagnetic radiation, or both, the conical pillars tapering from relatively wide bases to pointed tips, the conical pillars comprising outer surfaces that are covered with a plurality of nanoparticles.

Application Number

17/887689

Assignees

UNIVERSITY OF SOUTH FLORIDA

Filing Date

08/15/2022

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