In this paper,the main causes of the defect black dot on the surface of cathode in CPTs are described in detail ,some measures are adopted and the apparent results are achieved.

 
  • 本文叙述了彩色显像管三枪“目玉”缺陷的主要成因,找出消除办法,取得显著成效。
今日热词
目录 附录 查词历史