发明名称 COLOR CATHODE RAY TUBE
摘要 PROBLEM TO BE SOLVED: To provide a color cathode ray tube capable of preventing deformation and displacement when fixing a mask body to a mask frame. SOLUTION: The skirt part 23 of a mask body 30 has cutout parts NS and NL. The width of the cutout parts NS and NL along the short axis or long axis is not less than 0.10×L and not more than 0.45×L, when L is designated as a distance from the end of the short axis or the end of the long axis to their diagonal ends, and the height of the cutouts NS and NL along an tube axis is equal to 50-40% of the height of the skirt part 23 along the tube axis in the vicinity of the end of the short axis or the end part of the long axis when it is designated as 100%.
申请公布号 JP2002117783(A) 申请公布日期 2002.04.19
申请号 JP20010221922 申请日期 2001.07.23
申请人 TOSHIBA CORP 发明人 ITO YOSHIAKI;NAKAGAWA SHINICHIRO;MURAI TAKASHI;INOUE MASACHIKA
分类号 H01J29/07;(IPC1-7):H01J29/07 主分类号 H01J29/07
代理机构 代理人
主权项
地址