Mass spectrometer filter

Details Mass spectrometer filter Mass spectrometer filter

1977-02-14

1978-03-14

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250281, B01D 5944, H01J 3934

Patent

active

040792544

ABSTRACT:
A process for producing mass filters for use in mass spectrometers. Several electrodes having precisely shaped surfaces must be held in precisely determined positions with respect to each other. Insulators are placed into position on the surface of a mandrel and a layer of metal is deposited over the mandrel and insulators to form a composite unitary structure, including the electrodes. The deposited metal overlying the insulators is then removed, electrically isolating the electrodes.

REFERENCES:
patent: 2939952 (1960-06-01), Paul et al.
patent: 3328146 (1967-07-01), Hanlein
patent: 3757115 (1973-09-01), Ball
patent: 3818228 (1974-06-01), Palmberg
patent: 3840742 (1974-10-01), Ball

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