The diffusion of the impurities in the light doped region can be reduced in the process of forming the side wall.

可减少轻掺杂区中的杂质在形成侧墙的过程中发生扩散。

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All Archimede houses have an underfloor cavity that is always pressurized with warm air, and a series of tiny holes punched next to the outside wall encourages a slow diffusion of warmer air that prevents condensation and fungus development.

FORBES: Arctic Refuge On Stilts--Kangiqsujuaq, Quebec