Patent · US Expired

Sample holder for mass spectrometer

US5859431A · kind A · utility

15Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1993
Grant dateJan 12, 1999
Priority date
Expiry dateDec 21, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J49/0418
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A sample holder (1) for use in mass spectrometry comprises a plate having a flat (5), which flat includes a first region having a smooth surface surrounding a second region having a rough surface (7). The second region defines the location for loading a sample.

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