FIELD: instrumentation.
SUBSTANCE: invention relates to instrument making, mass spectrometry, mainly for space research. Dust-impact mass spectrometer comprises a target, a grounded grid, an ion spectra processing unit, an ion receiver, an indication unit, a voltage source, at that, an ion receiver is connected to the input of the ion spectra processing unit, and to the output is a display unit, according to the invention, a target made in the form of sectors of concentric spheres and connected to a multichannel amplifier, and the drawing grid are located inside the screen, inside which the grounded grid and the reflecting grid are also located. In addition, an ion mirror is introduced, which together with an ion receiver, the output of which is connected to the ion spectra processing unit, is located inside the protective screen. Ion mirror and the target are connected to a voltage source; the ion spectrum processing unit is connected to the display unit and the multichannel amplifier.
EFFECT: broader functional capabilities, high purity of the experiment for determining the composition of the micrometeorite with high reliability.
1 cl, 2 dwg
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