Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 GunJ Pole pieces Tube neck Figure Ions — Electrons tube and are eventually collected by A^. Adjustment of the ion-trap magnet is a simple matter of searching for the position which gives the brightest trace. Shift magnets. Rather similar small assemblies may be bought which provide a transverse field of variable strength and direction to provide beam 'shift' facilities. From Figure it is clear that the device is similar to the ion-trap, but the permanent magn
Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 GunJ Pole pieces Tube neck Figure Ions — Electrons tube and are eventually collected by A^. Adjustment of the ion-trap magnet is a simple matter of searching for the position which gives the brightest trace. Shift magnets. Rather similar small assemblies may be bought which provide a transverse field of variable strength and direction to provide beam 'shift' facilities. From Figure it is clear that the device is similar to the ion-trap, but the permanent magnet may be turned as shown between the pole pieces so that the strength of the field between them follows a cosine Adjust Final anode connection Tu be c c be ise 1 — o Ion trap Focus magnet Shift magnet
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Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
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