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为改善家增强器背景,提高图象对比度,要求对管壳内部另件及萤光屏进行镀黑铝或黑银。 本文介绍在低真空下大面积蒸镀黑铅的工艺及蒸镀工艺的优缺点。
In order to improve the home enhancer background and improve the contrast of the image, it is required to black aluminum or black silver on the inner parts of the shell and the fluorescent screen. This article describes the advantages and disadvantages of large-area vapor deposition of black lead under low vacuum and the evaporation process.