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Engis® Precision Mic: Engis Precision Diamond is designed for the manufacture of precision grinding wheels and tools. Our complete range of high purity powders, which are designed specifically for your application needs, h

Fixed V-Grooves Sing: The single-fibre unit OptiSplice one is designed to match the requirement of private and FTTX networks where a simple and at the same time flexible splice solution is needed. With its small size and v

Sumitomo / Tomei / E: Sumitomo 住友 / Tomei 多美 / Engis 金刚石粉，有库存，欢迎来电垂询！

2012 International C: 2012 International Conference on Microelectronics, Optoelectronics and Nanoelectronics (ICMON 2012)Shanghai, China. August 25-26, 2012

镀膜技术二十个主要问题及答案: 一、镀膜技术可区分为那几类?可区分为：(1)真空蒸镀(2)电镀(3)化学反应(4)热处理(5)物理或机械处理二、常用的真空帮浦有那几种?适用的抽气范围为何?真空帮浦可分：(1)机械帮浦(2)扩散帮浦(3)涡轮帮浦(4)吸附帮浦(5)吸着帮浦真空帮浦抽气范围：泵浦抽气范围机械泵浦10-1 ~ 10-4 毫巴扩散泵浦10-3 ~ 10-6 毫巴涡轮泵浦10-3 ~ 10-9 毫巴吸附泵浦10-3 ~