Pickup tube having mesh support electrode aligning means

Details Pickup tube having mesh support electrode aligning means Pickup tube having mesh support electrode aligning means

1979-06-27

1981-04-28

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

313251, 313292, 313451, 313456, 313390, H01J 3128

Patent

active

042648416

ABSTRACT:
A pickup tube such as a vidicon has an improved structure for precisely aligning a mesh support electrode relative to a focus electrode. The structure comprises a plurality of focus electrode embossments extending radially outward from the focus electrode and a plurality of mesh support electrode embossments extending radially inward from the mesh support electrode. An insulating ring is molded in situ between the focus electrode embossments and the mesh support electrode embossments. The focus electrode embossments and the mesh support electrode embossments are embedded into the insulating ring.

REFERENCES:
patent: 3073981 (1963-01-01), Miller et al.
patent: 3746917 (1973-07-01), French et al.

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