Patent · US Expired

High resolution atom probe

US7157702B2 · kind B2 · utility

6Cited by
1References
30Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 26, 2004
Grant dateJan 2, 2007
Priority date
Expiry dateMay 26, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2237/244
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A three dimensional atom probe comprising a sharp specimen (10) coupled to a mounting means (12) where emission of charged particles is caused by application of a potential to the specimen tip (10) such that charged particles are influenced by filtering electrodes (206, 204) before impingement on a detection screen (202).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.