Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.

采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源，提高了钎缝质量和产品的可靠性。

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Automation Optical inspection (AOI) on printed circuit board assembly is an important research field in the electron industry product inspection.

电路板板载元器件自动光学检测是电子行业产品检测领域一个重要的研究课题。

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The construction and measurement system of fiber-optic sensor for monitoring the distance between cathode and first grid during assembly of electron gun are described.

本文描述了用于装配电子枪时控制阴极与第一栅极间距的光纤传感器的结构及其测量系统。

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