Projection cathode ray tube

Details Projection cathode ray tube Projection cathode ray tube

H - Electricity

01

J

313/35.151, 313/

H01J 29/28 (2006.01) G02B 5/28 (2006.01) H01J 29/89 (2006.01)

Patent

CA 2028267

ABSTRACT OF THE DISCLOSURE A projection cathode ray tube comprising a multilayered interference film interposed between a face plate pane and luminescent material layer. This multilayered interference film is composed of alternately superimposed layers of high refractive index material and low refractive index material, and the number of layers to be superimposed is four or five.

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