Mass spectrometer filter

Details Mass spectrometer filter Mass spectrometer filter

1979-03-30

1980-05-13

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29423, 295272, H01J 914

Patent

active

042020808

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: 2905573 (1959-09-01), Marvin
patent: 2944338 (1960-07-01), Craig
patent: 3419951 (1969-01-01), Carlson
patent: 3533153 (1970-10-01), Melill et al.

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