Patent · US Active

Apparatus for working and observing samples and method of working and observing cross sections

US7755044B2 · kind B2 · utility

1Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 2008
Grant dateJul 13, 2010
Priority date
Expiry dateFeb 13, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2237/31745
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The apparatus for working and observing samples comprises a sample plate on which a sample is to be placed; a first ion beam lens barrel capable of irradiating a first ion beam over a whole predetermined irradiation range at one time; a mask that can be arranged between the sample plate and the first ion beam lens barrel, and shields part of the first ion beam; mask-moving means capable of moving the mask; a charged particle beam lens barrel capable of scanning a focused beam of charged particles in the range irradiated with the first ion beam; and detection means capable of detecting a secondarily generated substance.

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