Display tube with fluid cooled window

Details Display tube with fluid cooled window Display tube with fluid cooled window

1986-06-12

1987-02-24

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313477R, 358237, H01J 726, H01J 2986, H04N 574

Patent

active

046459669

ABSTRACT:
A display window (11) of a display tube is manufactured from a plate (21) having grooves (22), which plate is fused to a plate (20), so that ducts (25) are present in the display window (11). The phosphor screen (14) is provided on the inside of plate (20). The ducts (25) communicate at one end with a common supply duct (26) having an inlet aperture (27) and communicate at the other end with a common exhaust duct (28) having an outlet aperture (29). A coolant is forced through the ducts (25) for cooling the phosphor screen (14).

REFERENCES:
patent: 2093288 (1937-09-01), Ogloblinsky
patent: 2241974 (1941-05-01), Anderson et al.
patent: 2655452 (1953-10-01), Barnes et al.
patent: 3299949 (1967-01-01), Beurtheret
patent: 3422298 (1969-01-01), DeGier
patent: 4405949 (1983-09-01), Hockenbrock et al.

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