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本文主要介绍声光器件的关键技术-高真空高纯铟压焊技术。文中分析了环氧树脂粘接、超声焊、铟热压焊、铟冷压焊等技术的特点,并给出铟热压焊与冷压焊的主要工艺参数和注意事项及其对声光器件性能的影响。声光器件一般都采用铟冷压焊,而大器件与长换能片或多片焊接则采用铟热压焊。
This article describes the key technology of acousto-optic devices - high vacuum indium pressure welding technology. In this paper, the characteristics of epoxy bonding, ultrasonic welding, indium hot press welding, indium cold press welding and other techniques are analyzed. The main process parameters and precautions of indium hot press welding and cold press welding are given. The impact of performance. Acousto-optic devices are generally used indium cold-pressed, while large devices and long-piece or multi-chip welding Indium is used hot-press welding.