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。
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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