A base plate for mass spectrometry analysis is disclosed, which is used in a method in which a substance immobilized on a surface of the base plate is desorbed from the surface by application of laser light thereto and the ion of the desorbed substance is captured for mass spectrometry analysis. The...http://www.google.de/patents/US7579588?utm_source=gb-gplus-sharePatent US7579588 - Base plate for use in mass spectrometry analysis, and method and apparatus for mass spectrometry analysis