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US 4,435,668 AGranted
Method of making rugged vidicon
AssigneeThe United States of America as represented by the Secretary of the Army
InventorsFerdinand C. Petito, Gerald Klauber
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Abstract
A rugged retina is constructed for a vidicon having a rugged electron gun d other electrodes. The retina is prepared by mounting it between two thin flexible metal or metalized rings with a high viscosity liquid electrode between one of the rings and the retina. This prepared assembly is glued together and onto the vidicon faceplate with a pliant adhesive.
Claims2
A method of making a rugged vidicon including the steps of:
- preparing an envelope for such vidicon;
- inserting grids and a rugged electron gun in said envelope;
- making a retina for said vidicon wherein this step includes the steps of:
- preparing a transparent faceplate;
- depositing an annular electrode on one side of said faceplate;
- depositing an annular bead of adhesive on said annular electrode;
- placing a thin annular conductive washer on said bead;
- depositing an annulus of liquid electrode material on said washer;
- placing a pyroelectric retina on said liquid electrode;
- placing a thin annular conductive washer on said retina;
- depositing an adhesive to join said washers to each other and to said annular electrode;
- mounting the faceplate to the front of said envelope with said retina inside;
- pumping a vacuum in said envelope, degassing, getting and tipping off said envelope.
10 more elements
Dependencies are inferred from the claim text.