This paper studies a kind of new autocontrol system across-the-board, which can realize both the measurement of frequency and the separation of quartz crystal wafer.

 
  • 本文主要研究了一种集晶片频率测量、分选于一体的新型石英晶片测量与分选的自动控制系统。
今日热词
目录 附录 查词历史