摘要 |
A COLOR CATHODE-RAY TUBE 10 HAS AN EVACUATED ENVELOPE 11 WITH AN ELECTRON GUN 26 THEREIN FOR GENERATING AT LEAST ONE ELECTRON BEAM 28. THE ENVELOPE FURTHER INCLUDES A FACEPLATE PANEL 12 HAVING A LUMINESCENT SCREEN 22 WITH PHOSPHOR LINES ON AN INTERIOR SURFACE THEREOF. A UNIAXIAL TEN5ION FOCUS MASK 25, HAVING A PLURALITY OF SPACED-APART FIRST METAL STRANDS 40, IS LOCATED ADJACENT TO AN EFFECTIVE PICTURE AREA OF THE SCREEN 22. THE SPACING BETWEEN THE FIRST METAL STRANDS 40 DEFINES A PLURALITY OF SLOTS 42 SUBSTANTIALLY PARALLEL TO THE PHOSPHOR LINES OF THE SCREEN. EACH OF THE FIRST METAL STRANDS 40, ACROSS THE EFFECTIVE PICTURE AREA OF THE SCREEN, HAS A SUBSTANTIALLY CONTINUOUS FIRST INSULATOR LAYER 64 ON A SCREEN-FACING SIDE THEREOF. A SECOND INSULATOR LAYER 66 OVERLIES THE FIRST INSULATOR LAYER 64. A PLURALITY OF SECOND RNETAL STRANDS 60 ARE ORIENTED SUBSTANTIALLY PERPENDICULAR TO THE FIRST METAL STRANDS 40 AND ARE BONDED THERETO BY THE SECOND INSULATOR LAYER 66. FIG 4
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