GEOMETRIC COMPENSATION FOR MASK EXPANSION OF COLOR CATHODE-RAY TUBES

被引：0
|
作者：
TOKITA, K
INOUE, M
SONE, T
URATA, H
机构：
[1] Picture Tube Engineering Department, Cathode Ray Tube Division, Toshiba Corporation, Fukaya-shi, Saitama, 366
来源：
DISPLAYS | 1991年 / 12卷 / 02期
关键词：
SHADOW MASKS; CORNER-SUPPORT SYSTEMS; THERMAL EXPANSION; STRUCTURAL-ANALYSIS PROGRAMS;
D O I：
10.1016/0141-9382(91)90003-V
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
It has been difficult for many years for colour-cathode-ray-tube designers fully to compensate for long-term mask expansion of low-deflection-angle C-CRTs, such as, for example, 90-degrees-deflection C-CRTs. In addition, the introduction of the invar (Fe-36-Ni alloy) mask has presented designers with new problems in terms of colour-purity performance and cost effectiveness. The paper describes problems of conventional thermal compensation systems from the practical-use viewpoint. The paper also reports two unique aspects of the mask-suspension design, which are revealed using a structural-analysis program, and provide the added advantages of full geometric compensation for long-term mask expansion.
引用
收藏
页码：74 / 79
页数：6
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