COLOR PICTURE TUBE HAVING A LOWER EXPANSION TENSION MASK ATTACHED TO A HIGHER EXPANSION FRAME

COLOR PICTURE TUBE HAVING A LOWER EXPANSION TENSION MASK ATTACHED TO A HIGHER EXPANSION FRAME

The present invention provides an improvement in a color picture tube (10) having a tension mask (24) supported by a support frame (28) mounted within said tube. The mask has a significantly lower coefficient of thermal expansion than the frame. The frame has two substantially parallel cantilevered...

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1. Verfasser: THOMSON, MARK, ALLEN
Format: Patent
Sprache:eng ; spa
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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description The present invention provides an improvement in a color picture tube (10) having a tension mask (24) supported by a support frame (28) mounted within said tube. The mask has a significantly lower coefficient of thermal expansion than the frame. The frame has two substantially parallel cantilevered members (42), each member having a distal edge (48) to which the tension mask is attached. At least one of the distal edges has two sections (50, 52) separated by a gap (54) therebetween. The two sections include an inner section (50) and an outer section (52). The mask is glued to the inner section and is welded to the outer section. La presente invencion proporciona una mejora en un tubo de imagenes a color (10) que tiene una mascara de tension (24) soportada por un marco de soporte (28) montado dentro del tubo. La mascara tiene un coeficiente de expansion termica significativamente menor que el marco. El marco tiene dos miembros volados sustancialmente paralelos (42), teniendo cada miembro un filo distal (48) al cual se une la mascara de tension. Al menos uno de los filos distales tiene dos secciones (50, 52) separadas por una abertura (54) entre las mismas. Las dos secciones incluyen una seccion interna (50) y una seccion externa (52). La mascara se adhiere a la seccion interna y se suelda a la seccion externa.
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The mask has a significantly lower coefficient of thermal expansion than the frame. The frame has two substantially parallel cantilevered members (42), each member having a distal edge (48) to which the tension mask is attached. At least one of the distal edges has two sections (50, 52) separated by a gap (54) therebetween. The two sections include an inner section (50) and an outer section (52). The mask is glued to the inner section and is welded to the outer section. La presente invencion proporciona una mejora en un tubo de imagenes a color (10) que tiene una mascara de tension (24) soportada por un marco de soporte (28) montado dentro del tubo. La mascara tiene un coeficiente de expansion termica significativamente menor que el marco. El marco tiene dos miembros volados sustancialmente paralelos (42), teniendo cada miembro un filo distal (48) al cual se une la mascara de tension. 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language eng ; spa
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title COLOR PICTURE TUBE HAVING A LOWER EXPANSION TENSION MASK ATTACHED TO A HIGHER EXPANSION FRAME
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