Apparatus for working and observing samples and method of working and observing cross sections
US7755044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2008 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Feb 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.