Global Patent Index - EP 1432003 A1

EP 1432003 A1 20040623 - Cathode ray tube (CRT) including a shadow mask with a partially etched mask border and skirt

Title (en)

Cathode ray tube (CRT) including a shadow mask with a partially etched mask border and skirt

Title (de)

Kathodenstrahlröhre mit Schattenmaske mit teilgeätztem Maskenrand und Rahmenbereich

Title (fr)

Tube cathodique comprenant un masque d'ombre avec une partie peripherique intermediaire et une jupe peripherique partiellement corrode

Publication

EP 1432003 A1 20040623 (EN)

Application

EP 02028679 A 20021220

Priority

EP 02028679 A 20021220

Abstract (en)

A shadow mask for use in a color cathode ray tube (CRT) is described. The shadow mask comprises a multi-aperture masking portion surrounded by a border and a skirt. The border and skirt have cavities across portions of one or more sides thereof. In one embodiment, the border and a portion of the skirt on an outer, screen-facing, surface of the mask have cavities formed therein. Additionally, a portion of the skirt on an inner, gun-facing, surface of the mask adjacent to the perimeter of the skirt may have cavities formed therein. <IMAGE>

IPC 1-7

H01J 29/07

IPC 8 full level

H01J 29/07 (2006.01)

CPC (source: EP)

H01J 29/07 (2013.01); H01J 2229/0772 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

EP 1432003 A1 20040623

DOCDB simple family (application)

EP 02028679 A 20021220