Taking account of the disadvantage of current P-type impurity diffusion technology, an open tube gallium-aluminium diffusion technology is investigated.
就现行P型杂质扩散工艺的不足，进行了开旮铝镓掺杂技术的研究。
Mainly describe the design parameters of aluminium alloy diffusion and the development process, and also solve the design of pressure device.
介绍了铝合金扩散焊炉的设计参数及研制过程，并解决了加压装置的设计。
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