Cathode-G.sub.1 spacing material and method of application

Details Cathode-G.sub.1 spacing material and method of application Cathode-G.sub.1 spacing material and method of application

1981-09-30

1983-11-01

LaRoche, Eugene R.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313447, 313238, 313292, H01J 188, H01J 1942

Patent

active

044132034

ABSTRACT:
Critical spacings between the cathode and grid of an electron gun structure are enabled by a cathode structure including a removable spacer, such structure produced by first forming a layer of potentially electron emissive material on the cathode, then forming a solvent drop on the layer, and contacting the drop with a spacer to adhere the spacer to the layer.

REFERENCES:
patent: 3278779 (1966-11-01), Szegho
patent: 3826947 (1974-07-01), Bowes et al.

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