Patent · US Expired

Scanning tunnel-current-detecting device and method for detecting tunnel current and scanning tunnelling microscope and recording/reproducing device using thereof

US5107112A · kind A · utility

49Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1989
Grant dateApr 21, 1992
Priority date
Expiry dateSep 27, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/874
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A scanning tunnel-current-detecting device comprising at least two probe electrodes supported by a supporting member, a means for placing a sample in proximity to the probe electrodes, a means for applying voltage between the probe electrodes and the sample, at least one of the probe electrodes being provided with a mechanism for measuring and compensating variation of the distance between the supporting member and the sample, is provided.

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