Method of installing a mount assembly in a multi-beam cathode ra

Details Method of installing a mount assembly in a multi-beam cathode ra Method of installing a mount assembly in a multi-beam cathode ra

1975-01-15

1976-06-15

Lake, Roy

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

316 23, H01J 918

Patent

active

039627640

ABSTRACT:
A bulb assembly, including a faceplate panel portion, and a mount assembly, comprising a stem and a multi-beam electron gun assembly, are positioned in axial alignment on respective central longitudinal axes. A reference plane which contains the central longitudinal axis of the bulb assembly and a major axis of the panel portion, is established. An orientation plane is then defined with reference to the structure of the electron gun assembly. The orientation plane is parallel to the central longitudinal axis of the mount assembly and includes two reference points on the structures of the electron gun assembly. The mount assembly is then rotated with respect to the bulb assembly on the coincident longitudinal axes until the orientation plane is at a prescribed angle with respect to the reference plane as optically indicated by the relative position of the two reference points with respect to each other. Then, while maintaining this rotational orientation, the mount assembly is axially moved within the bulb assembly to a desired longitudinal location with respect to the faceplate panel portion. The bulb assembly and mount assembly are then permanently assembled.

REFERENCES:
patent: 1724831 (1929-08-01), Fagan et al.
patent: 3807006 (1974-04-01), Segro et al.

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