DuMont K1436P10 4" Dark Trace Storage Tube “Skiatron”
Tube cathodique à trace sombre
Blauschriftröhre
Instead of the usual phosphor screen, this tube uses a screen of potassium chloride, which
is a material jnown as a scotophor or cathodochromic. Wherever struck by an electron beam, the
normally white screen turns magenta. This coloration remains until erased by infrared radiation.
The tube was designed with a spherical faceplate for use in the optical system of projection
radar displays. Drawbacks included relatively long infrared erasure times (greater than one second), low contrast
and low sensitivity.

Longueur • Length • Länge : 37 cm • 1' - 2" 6/10
Diamètre • Diameter • Durchmesser : 102 mm • 4"


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