Process and apparatus for analyzing a sample with the aid of pulsed laser irradiation

US4243887A · kind A · utility

Assignee

• Leybold-Heraeus GmbH · DE

Inventors

• Franz Hillenkamp · Münster, DE
• Raimund Kaufmann · Osterath, DE
• Eberhard Unsold · Bocholt, DE
• Rainer Nietsche · Frankfurt, DE
• Reiner Wechsung
• Henning Vogt · Wolfsburg, DE
• Walter Bank · Cologne, DE
• Lothar Aberle · Sindorf, DE

Key dates

• Filing date: May 1, 1979
• Grant date: Jan 6, 1981
• Expiry date: May 1, 1999

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N21/718
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method and apparatus for analyzing a sample comprising the steps of irradiating a selected area of the sample with a first burst of laser energy to vaporize the sample, condensing the vaporized sample on the surface of an intermediate carrier and analyzing the condensed sample material deposited on the intermediate carrier.