Experiments to perform mass spectrometry with ion traps of submillimeter dimension are described. Several trap geometries amenable to microfabrication have been explored. In these experiments, vapor-phase molecules were ionized by a pulse from a frequency-quadrupled Nd:YAG laser. The ions were trapped and mass analyzed by manipulating the radiofrequency voltages on the trap electrodes. Effects of trapping parameters on mass resolution and sensitivity are discussed.
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Kornienko et al. (1999) studied this question.
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